william sam douglas wilcock curriculum vitae · william sam douglas wilcock version 05/25/18 3 of...

William Sam Douglas Wilcock

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Curriculum Vitae

PERSONAL Name William Sam Douglas Wilcock Born London, England; April 5, 1963 Citizenship USA Address School of Oceanography, Box 357940 University of Washington Seattle, WA 98195-7940 Phone (206) 543-6043 Fax (206) 543-0275 E-mail [email protected] URL http://faculty.washington.edu/wilcock/ EDUCATION 1985 BA, Earth Sciences, Cambridge University, England 1986 MS, Exploration Geophysics, Imperial College, London, England 1992 PhD, MIT/WHOI Joint Program in Oceanography, Massachusetts The Seismic Attenuation Structure of the East Pacific Rise Advisors: S. C. Solomon (MIT), G. M. Purdy (WHOI) EMPLOYMENT 1986-1992 Graduate Research Assistant, MIT-WHOI Joint Program in Oceanography 1992 Postdoctoral Researcher, Scripps Institution of Oceanography 1993-1999 Assistant Professor of Oceanography, University of Washington 1999-2005 Associate Professor of Oceanography, University of Washington 2005- Professor of Oceanography, University of Washington HONORS AND AWARDS 1983, 1985 Scholar, Trinity College, Cambridge, England 1986 Shell Scholarship, Imperial College, London, England 1992 Mellon Foundation Postdoctoral Fellowship, IGPP-SIO 1996 National Science Foundation CAREER Award 1996 Honorable mention, Graduate Teaching Award, COFS 1998 Graduate Teaching Award, College of Ocean and Fishery Science 2002 Research Award, College of Ocean and Fishery Science 2016- Jerome M. Paros Endowed Chair in Sensor Networks, University of Washington


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UNIVERSITY SERVICE School 1995-1996 Faculty Council, School of Oceanography 1996-1997 Recruitment Committee, School of Oceanography 1998-2000 Academic Affairs Committee, School of Oceanography 2000-2001 Recruitment Committee, School of Oceanography 2006- Faculty Council 2008- Associate Director for Marine Operations and Facilities 2015-2016 Graduate Program Committee 2017 Hiring Committe College 2002-2003 College Council, College of Ocean and Fishery Sciences 2004-2005 College Council, College of Ocean and Fishery Sciences 2011 Department of Atmospheric Science's Chair Search Committee, Chair. 2011-2014 College Council, College of the Environment University 1998-1999 Faculty Special Committee on Legislative Matters 2000-2002 Faculty Senate, University of Washington 2001-2002 Faculty Senate Executive Committee, University of Washington 2007-2009 Faculty Senate, University of Washington 2008-2009 Faculty Senate Executive Committee, University of Washington 2008-2011 Faculty Council on Faculty Affairs PROFESSIONAL SERVICE Committees and Related Activities 1995-1996 Three-time Panelist, NSF Ocean Sciences, MG&G 1998 Member, DEOS subcommittee on NEPTUNE 1998 Panelist, NSF Ocean Sciences, MG&G 1999 Panelist, NSF Ocean Sciences, MG&G 1999 Chair, NEPTUNE ad hoc working Group on Seismology and Geophysics 2000 Convenor of the RIDGE Theoretical Insitute 1999-2001 Member, RIDGE Steering Committee 2000-2001 Member NEPTUNE System Engineering Group 2004 Co-Chair of the NEPTUNE Canada Plate Tectonic Processes and Earthquake

Dynamics Thematic Group. 2004 Panelist, NSF Antarctic Sciences, G&G 2005-2007 Member of the ORION Science and Technology Advisory Committee 2005- Member RIDGE2000 Steering Committee 2007-2008 Panelist, NSF Ocean Sciences, MG&G


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2009 Member of National Academy Committee on the evolution of the national oceanographic research fleet.

2012 Primary convener of UW workshop on Seafloor Geodesy in Cascadia, June 11-12 and lead author for the workshop report

2011-13 Member of NEPTUNE Canada Users Committee 2011-14 Theme Editor for G-cubed Theme “Towards an Integrated View of Volcanic and

Hydrothermal Processes on the Juan de Fuca Ridge” 2012-16 Member US Ocean Bottom Seismograph Instrument Pool Oversight Committee 2015 Primary Convener and lead author of the report of a workshop for the US

Science Support Program of the International Ocean Discovery Program on “Investigating Cascadia Subduction Zone Geodynamics Through Scientific Ocean Drilling” April 29-May 1, 2015, Seattle, Washington

2017 Convener of workshop on “Offshore Geophysical Monitoring of Cascadia for Early Warning and Hazards Research”, April 3-5, 2017, Seattle, Washington

2017 Panelist, NSF Ocean Sciences, MG&G Editorial and Reviewer Services Reviewer for numerous journals including Bulletin of the Seismological Society of America,

Earth and Planetary Science Letters; Geochemistry, Geophysics and Geosystems; Geophysical Research Letters; Journal of Geophysical Research; Limnology and Oceanography; Nature; Physics of Earth and Planetary Interiors; Science; Tectonophysics; Transport in Porous Media.

Lead editor of the The Subseafloor Biosphere at Mid-Ocean Ridges, AGU Geophysical

Monograph 144, 2004. Editor for G-cubed Theme “Towards an Integrated View of Volcanic and Hydrothermal

Processes on the Juan de Fuca Ridge”, 2011-13. Membership in Professional Societies American Geophysical Union, Acoustical Society of America Invited Seminars Tomographic Images of Seismic Attenuation on Mid-Ocean Ridges, Department of Geological

Sciences, University of Oregon, 1993. The Seismic Attenuation Structure of the East Pacific Rise, College of Oceanography, Oregon

State University, 1993. Mid-Ocean Ridge Hydrothermal Systems and the Formation of Megaplumes, Department of

Geological Sciences, University of Oregon, 1995. Subsurface hydrothermal flow patterns, Subsurface Biosphere Workshop, Washington DC, 1997. Microearthquake/tectonics experiments, Ocean Bottom Seismology Workshop, Monterey CA,

1997. Hydrothermal Circulation and Cracking Fronts, Woods Hole Oceanographic Institution, 1998.


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DEOS/NEPTUNE Opportunities, ILP/JOI Workshop on Hydrogeology of Oceanic Crust, University of California at Santa Cruz, California, 1998.

Asymmetric plate motion, mantle flow and structure beneath the EPR in the MELT area, 2nd RIDGE Workshop on Mantle Flow and Melt Generation Beneath Mid-Ocean Ridges: Constraints From MELT and Other Experiments and Observations, Brown University, Rhode Island, 2000.

Hydrothermal cooling near mid-ocean ridges, 4th RIDGE Theoretical Workshop on The Subsurface Biosphere at Mid-Ocean Ridges, Big Sky, Montana, 2000.

Application and implications of measurements of fluid flow rates in low-temperature hydrothermal system, RIDGE In-situ Sensors Workshop, Aptos and Moss Landing, California, October 22-24, 2000.

Opportunities for seismology in NEPTUNE, The Oceanography Society Meeting, Miami, 2001. Why monitor earthquakes on the Endeavour Segment of the Juan de Fuca Ridge?, Pacific

Geoscience Centre, Sidney, British Columbia, 2002. Juan de Fuca Ridge, Endeavour Segment: Seismicity and Seismic Structure RIDGE2000

Community Education Workshop, Long Beach, California, 2002. Seismicity, magmatism and hydrothermal circulation on the Endeavour segment, Juan de Fuca

Ridge: Is this segment anomalous?, University of Toulouse, France, 2002. The challenges of modeling mid-ocean ridge hydrothermal systems, Los Alamos National

Laboratory, Los Alamos, New Mexico, 2004. An Introduction to Mid-Ocean Ridge Hydrothermal Systems, German-American Frontiers in

Science Meeting, Irvine, California, 2005 Links between earthquakes and hydrothermal processes at mid-ocean ridges: Seismic results

from the Keck experiment at Endeavour Ridge, University of Victoria, 2007. Interplay between Hydrothermalism and Crustal Processes/Structure, Mantle to Microbe:

Integrated Studies at Oceanic Spreading Centers, RIDGE 2000 Interdisciplinary Meeting, Portland, Oregon, 2008.

Geophysical Constraints on Magma Emplacement and Storage at Mid-Ocean, British Geophysical Association, February 11, 2010.

Links between the Ocean Observatory Initiative and Cascadia Initiative, Cascadia Initiative Workshop, Portland, OR, October 15-16, 2010.

Seismicity and Structure of Volcanic/Hydrothermal systems, Workshop on Experiments with Portable Ocean Bottom Seismographs, Snowbird, UT September 26-28, 2010.

Earthquake studies at Axial Seamount, Axial Regional Scale Nodes Science Workshop, Seattle, October 5-7, 2011.

Fin Whale Seismology, Ways of Whales Workshop, Camp Casey, Whidbey Island, January 28, 2012.

Cabled observatories US, GeoPRISMS - EarthScope Planning Workshop for the Cascadia Primary Site, Portland, Oregon, April 5-6, 2012.

Creating a Seismic Catalog For Marine Earthquake Datasets, Cascadia Initiative Mini Workshop, Redondo Beach, October 20, 2013.

Fin Whale Seismology, Sound Waters, Oak Harbor High School, Feb 2, 2014. Real-Time Seismicity at Axial Volcano: Preliminary Results, NOVAE Science Workshop,

Seattle, Washington, April 20-22, 2015. The 2015 eruption of Axial Seamount, Institut de Physique du Globe de Paris, Paris France, June

22, 2016. Cabled Seafloor Observatories and the 2015 Eruption of Axial Seamount, Lamont-Doherty Earth

Observatory Colloquium, Palisades, New York, March 3, 2017.


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Whale Seismology, 2017 Ocean Bottom Seismometer Symposium, Portland, Maine, September 18-19, 2017

Field Experience Research Cruises: 1987 Microearthquake study of the Kane Fracture zone, R/V Oceanus 1988 Seismic Tomography on the East Pacific Rise, R/V Thomas Washington 1995 Microearthquake study of the Endeavour segment of the Juan de Fuca Ridge,

R/V Wecoma (2 cruises) - Chief Scientist 1997 Seismic Tomography on the East Pacific Rise, R/V Maurice Ewing 2002 Keck NEPTUNE project Seismometer site preparation, R/V Western Flyer 2003 Keck NEPTUNE project – Seismometer deployment, R/V Thomas Thompson 2004 Keck NEPTUNE project – Seismometer recovery and deployments, R/V Western

Flyer - Co-chief Scientist 2005 Seismic Tomography at Deception Island, Antarctica, R/V Hesperides 2005 Keck VISIONS 05 cruise – Seismometer recover and deployments, R/V Thomas

Thompson 2007 Juan de Fuca Cruise - Seismometer recovery, vent field exploration, NEPTUNE

Canada surveying and undergraduate education, R/V Thomas Thompson - Chief Scientist

2009 Student Senior Projects Cruise, New Zealand, R/V Thomas Thompson 2009 Seismic Tomography on the Endeavour Segment, Juan de Fuca Ridge, R/V

Marcus Langseth 2012 Cascadia Initiative ocean bottom seismometer deployments (year 2), R/V

Oceanus 2013 Cascadia Initiative ocean bottom seismometer deployments (year 3), R/V

Oceanus 2014 Cascadia Initiative ocean bottom seismometer deployments (year 4), R/V

Oceanus 2014 Vertical seafloor geodesy in Cascadia, R/V Thompson 2015 Cascadia Initiative ocean bottom seismometer recoveries (year 4), R/V Thompson 2015 Vertical seafloor geodesy in Cascadia, R/V Thompson 2016 Vertical seafloor geodesy in Cascadia, R/V Sikuliaq 2017 Vertical seafloor geodesy in Cascadia, R/V Sikuliaq Land Experiments: 1998: Small scale seismic refraction experiments in Oman INSTRUCTIONAL ACTIVITIES Classes Taught Course Course Title (quarter credits) Date OCN 556A Geological Fluid Dynamics (5) Aut. 1993 (also listed as GPHYS 404; joint w/ M. Richards) OCN 506 Physics of Marine Geological Processes (5) Spr. 1994


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(joint w/ Prof. J.-C. Sempéré) OCN 556A Geological Fluid Dynamics (3) Aut. 1994 (also listed as GPHYS 404; joint w/ J. Booker) OCN 556A Physics of the Ocean Lithosphere I (3) Win. 1995 OCN 556A Geological Fluid Dynamics (3) Aut. 1995 (also listed as GPHYS 404; joint w/ J. Booker) OCN 542 Physics of the Ocean Lithosphere I (3) Spr. 1996 OCN 551 Marine Seismology (3) Spr. 1996 OCN 543 Physics of the Ocean Lithosphere II (3) Win. 1997 OCN 485D Fluid Dynamics Laboratory (3) Spr. 1997 OCN 506 Juan de Fuca Seminar (1) Aut. 1997 (joint w/ R. McDuff) OCN 549 Oman Seminar and Field Trip (5) Win. 1998 (also listed as OCN 485; joint w/ D. Kelley) OCN 506 Juan de Fuca Seminar (1) Win. 1998 (joint w/ R. McDuff) OCN 485D Fluid Dynamics Laboratory (5) Spr. 1998 OCN 506 Juan de Fuca Seminar (1) Sum. 1998 (joint w/ R. McDuff) OCN 545 Physics of the Ocean Lithosphere (3) Win. 1999 OCN 506 Juan de Fuca Seminar (1) Spr. 1999 (joint w/ D. Kelley) OCN 485D Fluid Dynamics Laboratory (5) Aut. 1999 OCN 450 Marine Geology and Geophysics (4) Aut. 1999 (joint w/ C. Nittrouer) OCN 450 Marine Geology and Geophysics (4) Aut. 2000 (joint w/ C. Nittrouer) OCN 545 Physics of the Ocean Lithosphere (3) Spr. 2001 OCN 410 Marine Geology and Geophysics (4) Aut. 2001 (joint w/ C. Nittrouer) OCN 451 Fluid Dynamics Laboratory (4) Win. 2002 ENV 202 Earth, Air, Water: The Human Context (5) Spr. 2002 (joint w/ P. Rhines) OCN 545 Physics of the Ocean Lithosphere (3) Spr. 2003 OCN 499 Friday Harbor Labs Research Apprenticeship (15) Aut. 2004 (joint w/ A. Barclay, D. Toomey, E. Hooft) OCN 545 Physics of the Ocean Lithosphere (3) Spr. 2005 ENV 215 Earth, Air, Water; The Human Context (5) Spr. 2005 OCN 410 Marine Geology and Geophysics (4) Fall 2005 ESS 522 Geophysical Data Analysis and Collection (3) Spr. 2006


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OCN 410 Marine Geology and Geophysics (4) Fall 2006 ESS 522 Geophysical Data Analysis and Collection (3) Spr. 2007 OCN 411 Juan de Fuca Research Cruise (3) Sum. 2007 OCN 410 Marine Geology and Geophysics (4) Fall 2007 ESS 522 Geophysical Data Analysis and Collection (3) Spr. 2008 OCN 410 Marine Geology and Geophysics (4) Fall 2008 OCN 545 Physics of the Ocean Lithosphere (3) Spr. 2009 OCN 410 Marine Geology and Geophysics (4) Fall 2009 ESS 522 Geoscientific Data Analysis and Collection (3) Spr. 2010 OCN 410 Marine Geology and Geophysics (4) Fall 2010 OCN 545 Physics of the Ocean Lithosphere (3) Spr. 2011 OCN 410 Marine Geology and Geophysics (4) Fall 2011 ESS 522 Geoscientific Data Analysis and Collection (3) Spr. 2012 OCN 410 Marine Geology and Geophysics (4) Fall 2012 OCN 545 Physics of the Ocean Lithosphere (3) Spr. 2013 OCN 410 Marine Geology and Geophysics (4) Fall 2013 ESS 522 Geoscientific Data Analysis and Collection (3) Spr. 2014 OCN 410 Marine Geology and Geophysics (4) Fall 2014 OCN 545 Physics of the Ocean Lithosphere (3) Spr. 2015 OCN 410 Marine Geology and Geophysics (4) Winter 2016 ESS 522 Geoscientific Data Analysis and Collection (3) Spr. 2016 OCN 545 Physics of the Ocean Lithosphere (3) Win. 2017 OCN 410 Marine Geology and Geophysics (4) Spr. 2017


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Graduate Students Advised Name Department Degree Year Current: Rose Hilmo (nee Wade) Oceanography MS in progress Erik Fredrickson Oceanography MS in progress Charles Garcia Oceanography MS in progress Past: Dax Soule Ocean, MG&G MS 2012 PhD 2016 Michelle Weirathmueller Oceanography PhD 2016 Robert Weekly ESS PhD 2013 Timothy Crone Ocean, MG&G MS 2003 PhD 2007 Tami Ben Zvi ESS MS 2007 Stephen Archer Ocean, MG&G MS 1997 Abdellah Cherkaoui Ocean, MG&G MS 1996 PhD 1999 Tian Tian Geophysics MS 1999 Qin Li ESS MS 2003


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Graduate Student Committees (other than my students) Name Department Degree Year Current: Brendan Philip Ocean, MG&G MS in progress Carl Ulberg ESS PhD in progress Marie Salmi Ocean, MG&G MS 2014 PhD in progress Shelley Chestler ESS PhD 2016 Emma Myers ESS PhD in progress Past: Jiangang Han ESS PhD 2016 Joshua Carmichael ESS PhD 2013 Aggeliki Barberopoulou ESS PhD 2006 Keith Curtis Ocean, PO MS Shenfu Dong Ocean, PO MS PhD 2004 Alicia Hovotec-Ellis ESS PhD 2014 Jonathan Kellogg Ocean, MG&G PhD 2011 Ben Larson Ocean, Chem MS PhD 2008 Seth Moran Geophysics PhD 1997 Christian Parker Ocean, MG&G MS Anjanah Shah Ocean, MG&G MS Fiammetta Straneo Ocean, PO MS PhD 1999 Justin Sweet ESS PhD 2014 Leif Thomas Ocean, PO MS PhD 2003 Scott Veirs Ocean, MG&G MS PhD 2003 Brian West Ocean, MG&G PhD 1997


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Undergraduate Research Employees Name Project Program Year Andrew Sharp Mantle tomography NSF REU 1993 Kyle Ren Marine mammal location NSF REU 1996-1997 Timothy Crone Hele-Shaw experiments NASA Space Grant 1998 Clare Steedman Flow meter calibration NSF REU 1998 Seismic refraction in Oman NASA Space Grant 1999-2001 Jonah Edwards Earthquake tidal triggering NASA Space Grant 2002 John Crouch Sediments near an ocean ridge NSF REU 2002-2003 Lucas Tarr Mantle Anisotropy NSF REU 2004 Danny Bowman Keck seismic network IRIS Intern 2005 NSF REU 2007 David Englund Keck seismic network NASA Space Grant 2005-2007 NSF REU 2007 Heidi Berkenbosch Keck seismic network NSF REU 2006 Elizabeth McHugh Keck seismic network NSF REU, ONR 2008 James Shobe Keck seismic network NSF 2010 Elizabeth Ewing Keck seismic network NSF 2010 Becky Hemingway Keck seismic network NSF 2011 Rose Wade Blue whale tracking ONR 2015-16


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RESEARCH GRANTS Expired N00014-94-1-0021 The analysis of absolute amplitudes observed in marine seismic refraction

experiments ONR $39,777 11/1/93-10/31/95 3 months support OCE-9403583 Migration of the Pacific-Indian isotopic boundary and evolution of the

Australian-Antarctic Discordance: A drilling site survey (w/ J.-C. Sempéré) NSF $393,769 10/1/95-09/30/97 3 months support OCE-9403668 Microearthquake activity across the Endeavour segment, Juan de Fuca Ridge NSF $208,653 5/1/95-04/30/00 9 months support OCE-9414299 Seismological components of the MELT experiment NSF $99,968 6/1/96-5/31/99 6 months support OCE-9500816 A seawater battery for long-term low-power seafloor deployments NSF $49,970 01/1/95-12/31/95 2 months support INT-9512964 A small scale seismic study of the Oman ophiolite in collaboration with the

University of Montpellier, France NSF $23,652 9/1/96-8/31/98 0 months support OCE-9626938 Undershooting the East Pacific Rise: A seismic experiment to determine

axial variations in melt supply NSF $158,225 10/1/97-9/30/02 5 months support OCE-9629425 CAREER proposal: An innovative undergraduate class in laboratory fluid

dynamics and research into the patterns of hydrothermal circulation beneath mid-ocean ridges

NSF $376,124 11/1/96-10/31/03 12 months support OCE-9729786 A small scale seismic study of the Oman ophiolite NSF $49,709 12/1/97-11/30/98 1 months support N00014-99-1-0129 Design Study for NEPTUNE: Fiber optic telescope to inner space (UW PIs, J. Delaney, B. Howe) w/ WHOI, JPL, NOAA-PMEL


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ONR/NOPP $619,927 10/1/98-3/30/01 2 months support OCE-9820105 In situ time series experiments defining the thermal and compositional

variability in tidally perturbed submarine hydrothermal systems (w/ J. Delaney, D. Kelley, M. Lilley, D. Butterfield)

NSF $918,273 1/4/99-3/31/03 4 months support OCE-0118450 Collaborative Research: Constraining mantle flow, melt supply, and lower

crustal structure between the Clipperton and Siqueiros Fracture Zones from a seismic undershoot experiment

NSF $90,003 9/1/01-8/31/03 7 months support NOAA-NURP High-resolution measurements of temporal variability in fluid fluxes and

chemistry from cold seeps: First deployments of a suite of new instrumentation

NOAA-NURP $18,221 03/01/03-29/02/05 0 months support OCE-9819363 An instrument to measure slow hydrothermal flow (w/ R. McDuff) NSF $104,643 11/1/99-10/30/05 2 months support OCE-0002628 Collaborative research: Geodynamic tomography: A new approach to studies

of mantle upwelling with applications to the Lau Basin and East Pacific Rise NSF $244,946 4/1/01-4/31/05 4 months support OCE-0116750 Development of a Power System for Cabled Ocean Observatories (w/ lead

PI B. Howe, M. A. El-Sharkawi, C.-C. Liu, J. Delaney) NSF $1,943,184 10/1/01-9/30/05 2 months support OCE-0215670 Development and testing of a deep water, acoustically-linked, moored-buoy

seafloor observatory (subcontract to R. S. Detrick et al., WHOI) NSF $73,205 6/1/02-11/30/05 2 months support W. M. Keck A proto-type experiment for NEPTUNE Phase II - Interactive seafloor

studies of episodic deformation, fluid venting and microbial productivity at plate margins (w/ J. Delaney lead PI and many others)

Keck Foundation $5,000,000 7/1/01-6/30/07 11 months support


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OCE-2043395 Modeling hydrothermal processes on the Endeavour segment and the East Pacific Rise: Brine layers and recharge

NSF $167,090 03/01/03-02/28/08 0 months support OPP-0230094 High-resolution seismic tomography and earthquake monitoring at

Deception Island Volcano, Antarctica NSF $262,613 8/1/03-7/31/09 4 months support OCE-0454700 Collaborative Research: Testing models of magmatic and hydrothermal

segmentation: A 3-D seismic tomography experiment on the Endeavour Ridge (w/ Douglas Toomey and Emilie Hooft, University of Oregon)

NSF $414,659 08/01/06-02/28/14 5 months support N00014-08-1-0523 Investigating the relationship between fin and blue whale locations,

zooplankton concentrations and hydrothermal venting on the Juan de Fuca Ridge (w/ Richard Thomson, IOS, BC, Canada)

ONR $522,282 04/01/08-9/30/14 5 months support OCE-0937006 Collaborative Research: Linking stress changes and hydrothermal activity

during a non-eruptive spreading event (w/ Emilie Hooft and Douglas Toomey, University of Oregon)

NSF $201,080 09/01/09-08/31/14 3 months support G11AC20039 An algorithm to locate acoustically tagged fish USGS $84,000 04/01/11-09/30/16 5 months support OCE-1139701 Support for the Cascadia Initiative Expedition Team NSF (subcontract to U. Oregon) $180,161 9/1/11-2/29/16 6.25 months support Current N000141410423 An Investigation of Fin and Blue Whales in the NE Pacific Ocean using

Data from Cascadia Initiative Ocean Bottom Seismometers w/ Dave Mellinger (OSU)

ONR $407,640 4/1/14 – 8/31/18 3 months support OCE-1536219 Collaborative Research: Understanding the Spatio-Temporal Characteristics

of Earthquakes at Axial Seamount Late in an Eruptive Cycle


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NSF $306,000 9/1/15 – 8/31/18 3 months support OCE-1558477 Collaborative Research: Constraints on Interseismic Deformation Offshore

Oregon from Calibrated Continuous Pressure Records (w/ E. Roland, D. Schmidt, P. MacCready)

NSF $229,863 5/15/2016 – 4/30/2019 1 month support Moore Foundation An Offshore Geophysical Network for Earthquake and Tsunami Early

Warning in the Pacific Northwest (w/ John Vidale (lead-PI), D. Schmidt, E. Roland, J. Delaney, F Gonzalez & R. LeVeque)

G. & B. Moore Foundation $1,000,000 3/1/2016-2/28/2019 2.5 months support OCE-1634103 A Rotating Tiltmeter for Marine Geodesy: Development and Testing on

Axial Seamount NSF $ 465,844 09/15/2016-8/31/2018 1 month support In Process Collaborative Research: The Tectonic and Magmatic Structure and

Dynamics of Back-arc Rifting in Bransfield Strait - An International Seismic Experiment

NSF $569,020 09/1/2018-8/31/2021 3 month support.


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PUBLICATIONS Refereed Wilcock, W. S. D., G. M. Purdy, and S. C. Solomon, Microearthquake evidence for extension

across the Kane transform fault, J. Geophys. Res., 95, 15,439-15,462, 1990. Toomey, D. R., G. M. Purdy, S. C. Solomon, and W. S. D. Wilcock, The three-dimensional

seismic velocity structure of the East Pacific Rise near latitude 9°30'N, Nature, 347, 639-645, 1990.

Wilcock, W. S. D., and J. A. Whitehead, The Rayleigh-Taylor instability of an embedded layer of low-viscosity fluid, J. Geophys. Res., 96, 12,193-12,200, 1991.

Wilcock, W. S. D., and D. R. Toomey, Estimating hypocentral uncertainties for marine microearthquake surveys: A comparison of the generalized inverse and grid search methods, Mar. Geophys. Res., 13, 161-171, 1991.

Wilcock, W. S. D., S. C. Solomon, G. M. Purdy, D. L. DuBois, and D. R. Toomey, Microearthquakes on and near the East Pacific Rise, 9°-10°N, Geophys. Res. Lett., 19, 2131-2134, 1992.

Wilcock, W. S. D., S. C. Solomon, G. M. Purdy, and D. R. Toomey, The seismic attenuation structure of a fast-spreading ridge, Science, 258, 1470-1474, 1992.

Wilcock, W. S. D., D. R. Toomey, G. M. Purdy, and S. C. Solomon, The renavigation of Sea Beam bathymetric data between 9° and 10° on the East Pacific Rise, Mar. Geophys. Res., 15, 1-12, 1993.

Wilcock, W. S. D., M. E. Dougherty, S. C. Solomon, G. M. Purdy, and D. R. Toomey, Seismic propagation across the East Pacific Rise: Finite-difference experiments and implications for seismic tomography, J. Geophys. Res., 98, 19,913-19,932, 1993.

Christeson, G. L., W. S. D. Wilcock, and G. M. Purdy, The shallow attenuation structure of the fast-spreading East Pacific Rise near 9°30'N,Geophys. Res. Lett., 21, 321-324, 1994.

Wilcock, W. S. D., S. C. Solomon, G. M. Purdy, and D. R. Toomey, The seismic attenuation structure of the East Pacific Rise near 9°30'N, J. Geophys. Res., 100, 24,147-24,165, 1995.

Wilcock, W. S. D., and A. McNabb, Analytical estimates of crustal permeability on the Endeavour segment of the Juan de Fuca Ridge, Earth Planet Sci. Lett., 138, 83-91, 1996.

Wilcock, W. S. D., and J. R. Delaney, The size of mid-ocean ridge sulfide deposits: Evidence for heat extraction from magma chambers or cracking fronts, Earth Planet Sci. Lett.., 145, 49-64, 1996.

West, B. P., W. S. D. Wilcock, J.-C. Sempéré, and L. Géli, The three-dimensional structure of asthenospheric flow beneath the Southeast Indian Ridge, J. Geophys. Res., 102, 7783-7802, 1997.

Wilcock, W. S. D., and P. C. Kauffman, Development of a seawater battery for deep water applications, J. Power Sources, 66, 71-76, 1997.

Wilcock, W. S. D., A model for the formation of transient plumes above mid-ocean ridge hydrothermal systems, J. Geophys. Res., 102, 12,109-12,121, 1997.

Cherkaoui, A. S. M., W. S. D. Wilcock, and E. T. Baker, Thermal fluxes associated with the 1993 diking event on the CoAxial segment, Juan de Fuca Ridge: A model for the convective cooling of the dike, J. Geophys. Res., 102, 24,887-24,902, 1997.

Toomey, D. R., W. S. D. Wilcock, S. C. Solomon, W. C. Hammond, and J. A. Orcutt, Mantle seismic structure beneath the MELT region of the East Pacific Rise from P and S wave tomography, Science, 280, 1224-1227, 1998.

MELT Seismic Team (D.W. Forsyth, D. S. Scheirer, S. C. Webb, L. M. Dorman, J. A. Orcutt, A. J. Harding, D. K. Blackman, J. Phipps Morgan, R. S. Detrick, Y. Shen, C. J. Wolfe, J. P.


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Canales, D. R. Toomey, A. F. Sheehan, S. C. Solomon, and W. S. D. Wilcock), Imaging the deep structure beneath a mid-ocean ridge: Overview of the seismological component of the MELT experiment, Science, 280, 1215-1217, 1998.

Wilcock, W. S. D., Cellular convection models of mid-ocean ridge hydrothermal circulation and the temperatures of black smoker fluids, J. Geophys. Res., 103, 2585-2596, 1998.

Delaney, J. R., D. S. Kelley, M. D. Lilley, D. A. Butterfield, J. A. Baross, W. S. D. Wilcock, R. W. Embley, and M. Summit, The quantum event of oceanic crustal accretion: Impacts of diking at mid-ocean ridges, Science, 281, 222-230, 1998.

Cherkaoui, A. S. M., and W. S. D. Wilcock, Characteristics of high Rayleigh number two-dimensional convection in an open-top porous layer heated from below, J. Fluid Mech., 394, 241-260, 1999.

Wilcock, W. S. D., S. C. Webb, and I. Th. Bjarnason, The effect of local wind on seismic noise near 1 Hz at the MELT site and on Iceland, Bull. Seismol. Soc. Am., 89, 1543-1557, 1999.

Tian, T., W. S. D. Wilcock, D. R. Toomey, R. S. Detrick, Seismic heterogeneity in the upper crust near the 1991 eruption site on the East Pacific Rise, Geophys. Res. Lett., 27, 2369-2372, 2000.

Almendros, J., A. H. Barclay, W. S. D. Wilcock and G. M. Purdy, Seismic anisotropy on the Juan de Fuca Ridge from observations of shear-wave splitting, Geophys. Res. Lett., 27, 3109-3112, 2000.

Cherkaoui, A. S. M., and W. S. D. Wilcock, Laboratory studies of high Rayleigh number circulation in an open-top Hele-Shaw cell: An analog to mid-ocean ridge hydrothermal systems, J. Geophys. Res., 106, 10,983-11,000, 2001.

Dunn, R. A, D. R. Toomey, R. S. Detrick, and W. S. D. Wilcock, Seismic Evidence for a Continuous Mantle Melt Supply Beneath the 9º03'N Overlapping Spreading Center on the East Pacific Rise, Science, 291, 1955-1958, 2001.

Wilcock, W. S. D., Tidal triggering of microearthquakes on the Juan de Fuca Ridge, Geophys. Res. Lett., 28, 3999-4002, 2001.

Toomey, D. R., W. S. D. Wilcock, D. W. Forsyth, J. Condor, J. Blundy, E. M. Parmentir and W. C. Hammond , Asymmetric Mantle Dynamics in the MELT Region of the East Pacific Rise, Earth Planet Sci. Lett., 200, 287-295, 2002.

Wilcock, W. S. D., S. A. Archer and G. M. Purdy, Microearthquakes on the Endeavour segment of the Juan de Fuca Ridge, J. Geophys. Res., 107, 2336, doi:10.1029/2001JB000505, 2002.

Canales, J. P., R. S. Detrick, D. R. Toomey, and W. S. D. Wilcock, Segment-scale variations in the crustal structure of 150-300 kyr old fast spreading oceanic crust (East Pacific Rise, 8°15'N-10°5'N) from wide-angle seismic refraction profiles, Geophys. J. Int., 152, 766-794, 2003.

Cherkaoui, A. S. M., W. S. D. Wilcock, R. A. Dunn and D. R. Toomey, A numerical model of hydrothermal cooling and crustal accretion at a fast spreading mid-ocean ridge, Geochem. Geophys. Geosystems, 4(9), doi 10.1029/2001GC000215, 2003.

Barclay, A. H., and W. S. D. Wilcock, P and S wave structure on the Endeavour segment, Juan de Fuca Ridge, Geochem. Geophys. Geosystems, 5, No. 1, Q01004, doi:10.1029/2003GC 000604, 2004.

Wilcock, W. S. D., and A. T. Fisher, Geophysical constraints on the sub-seafloor environment near mid-ocean ridges in The Subseafloor Biosphere at Mid Ocean Ridges, edited by W. S. D. Wilcock, E. F. DeLong, D. S. Kelley, J. A. Baross and S. C. Cary, Geophysical Monograph 144, pp 51-74, American Geophysical Union, Washington DC, 2004.

Baross, J. A., W. S. D. Wilcock, D. S. Kelley, E. F. DeLong and S. C. Cary, The Subsurface Biosphere at Mid-Ocean Ridges: Issues and Challenges, in The Subseafloor Biosphere at Mid Ocean Ridges, edited by W. S. D. Wilcock, E. F. DeLong, D. S. Kelley, J. A. Baross


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and S. C. Cary, Geophysical Monograph 144, pp 1-11, American Geophysical Union, Washington DC, 2004.

Wilcock, W. S. D., The physical response of mid-ocean ridge hydrothermal systems to local earthquakes, Geochem. Geophys. Geosystems, 5, Q11009, doi:10.1029/2004GC000701, 2004.

Crone, T. J., and W. S. D. Wilcock, Modeling the Effects of Tidal Loading on Hydrothermal Discharge at Mid-Ocean Ridges, Geochem. Geophys. Geosystems, 6, Q07001, doi:10.1029/2004GC000905, 2005.

Li, Q, W. S. D. Wilcock, T. L. Pratt, C. M. Snelson, and T. M. Brocher, Seismic attenuation structure of the Seattle Basin, Washington State, from explosive-source refraction data, Bull. Seismol. Soc. Am., 96, 553-571, 2006.

Fontaine, F. J., and W. S. D. Wilcock, Physical constraints on the formation and fate of brines in mid-ocean ridge hydrothermal systems, J. Geophys. Res., 111, B06102, doi:10.1029/2005JB003866, 2006.

Crone T. J., W. S. D. Wilcock, A. H. Barclay, J. D. Parsons, The sound generated by mid-ocean ridge black smoker hydrothermal vents. PLoS ONE 1(1): e133.doi:10.1371/ journal.pone.0000133, 2006.

Van Ark, E. M., R. S. Detrick, J. P. Canales, S. M. Carbotte, A. J. Harding, G. M. Kent, M. R. Nedimovic, W. S. D. Wilcock, J. B. Diebold, and J. M. Babcock, Seismic Structure of the Endeavour Segment, Juan de Fuca Ridge: Correlations with Seismicity and Hydrothermal Activity, J. Geophys. Res., 112(B2), B02401, doi:10.1029/2005JB004210, 2007.

Fontaine, F. J., W. S. D. Wilcock, and D. A. Butterfield, Physical controls on the salinity of mid-ocean ridge hydrothermal fields, Earth and Planet Sci. Lett., 257, 132-145, 2007.

Toomey, D. R., D. Jousselin, R. A. Dunn, W. S. D. Wilcock, and R. S. Detrick, Skew of mantle upwelling beneath the East Pacific Rise governs segmentation, Nature, 446, 409-414, 2007.

Fontaine, F. J., and W. S. D. Wilcock, Two dimensional models of hydrothermal convection at high Rayleigh and Nusselt numbers: Implications for mid-ocean ridges, Geochem. Geophys. Geosyst., 8, Q07010, doi:10.1029/2007GC001601, 2007.

Crone, T. J, R. E. McDuff, and W. S. D. Wilcock, Measuring Black Smoker Flow Rates Using Optical Plume Velocimetry, Experiments in Fluids, DOI 10.1007/s00348-008-0508-2, 2008.

Dolenc, D., B. Romanowicz, P. McGill and W. Wilcock, Observations of infragravity waves at the ocean-bottom broadband seismic stations Endeavour (KEBB) and Explorer (KXBB), Geochem. Geophys. Geosyst., 9, Q05007, doi:10.1029/2008GC001942, 2008.

Barclay, A. H., W. S. D. Wilcock, and J. M. Ibáñez, Tectonic and volcanic influences at Deception Island, South Shetland Islands, Antarctic Science, 21, 153-167, 2009.

Ben-Zvi, T., W. S. D. Wilcock, A. H. Barclay, D. Zandomeneghi, J. M. Ibáñez, J. Almendros and TOMODEC Working Group, The P-wave velocity structure of Deception Island, Antarctica, from two-dimensional tomography, J. Volcanol. Geotherm. Res., 180, 67-80, 2009.

Zandomeneghi, D., A. Barclay, J. Almendros, J. M. Ibanez Godoy, W. S. D. Wilcock, T. Ben-Zvi, The crustal structure of Deception Island volcano from P-Wave seismic tomography: Tectonic and Volcanic Implications, J. Geophys. Res., 114, B06310, doi:10.1029/2008JB006119, 2009.

Fontaine, F. J., W. S. D. Wilcock, D. E. Foustoukos, and D. A. Butterfield, A Si-Cl geothermobarometer for the reaction zone of high-temperature, basaltic-hosted mid-ocean ridge hydrothermal systems, Geochem. Geophys. Geosyst., 10, Q05009, doi:10.1029/2009GC002407, 2009.

Wilcock, W. S. D., Tidal triggering in the Northeast Pacific Ocean, Geophys. J. Int., 179, 1055-1070, 2009.


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Wilcock, W. S. D., E. E. E. Hooft, D. R. Toomey, P. R. McGill, A. H. Barclay, D. S. Stakes, and T. M. Ramirez, The role of magma injection in localizing black-smoker activity, Nature Geoscience, 2, 509-513, 2009.

Crone, T. J., W. S. D. Wilcock, and R. E. McDuff, Flow rate perturbations in a black smoker hydrothermal vent in response to a mid-ocean ridge earthquake swarm, Geochem. Geophys. Geosyst., 11, Q03012, doi:10.1029/2009GC002926, 2010.

Hooft, E. E. E., H. Patel, W. S. D. Wilcock, K. Becker, D. Butterfield, E. Davis, R. Dziak, M. Lilley, P. McGill, D. Toomey, D. Stakes, A seismic swarm and regional hydrothermal and hydrological perturbations: the northern Endeavour segment, late February 2005, Geochem. Geophys. Geosys., 11, Q12015, doi:10.1029/2010GC003264, 2010.

Kelley, D. S, S.M. Carbotte, D.W. Caress, D.A. Clague, J.R. Delaney, J.B. Gill, H. Hadaway, J.F. Holden, E.E.E. Hooft, J.P. Kellogg, M.D. Lilley, M. Stoermer, D. Toomey, R. Weekly and W.S.D. Wilcock, Endeavour Segment of the Juan de Fuca Ridge: One of the Most Remarkable Places on Earth, Oceanography 25, 44–61, 2012.

Wilcock, W. S. D., Tracking fin whales in the northeast Pacific Ocean with a seafloor seismic network, J. Acoust. Soc. Am., 132, 2408-2419, 2012.

Weirathmueller, M., W. S. D. Wilcock and D. Soule, Source Levels of fin whale vocalizations measured in the Northeast Pacific Ocean, J. Acoust. Soc. Am., 133, 741-749, 2013.

Soule, D. C., and W. S. D. Wilcock, Analysis of fin whale tracks using vocalizations recorded by a seismic network at the Endeavour Segment of Juan de Fuca Ridge, N. E. Pacific Ocean, J. Acoust. Soc. Am., 133, 1751-1761, 2013, 2013.

Weekly, R. T., W. S. D. Wilcock, E. E. E. Hooft, D. R. Toomey and P. R. McGill, Termination of a decadal-scale ridge-spreading event observed using a seafloor seismic network on the Endeavour segment, Juan de Fuca Ridge, Geochem. Geophys. Geosys., 14, doi:10.1002/ggge.20105, 2013.

Wilcock, W. S. D., K. M. Stafford, R. K. Andrew and R. I. Odom, Sounds in the ocean at 1-100 Hz, Ann. Rev. Mar. Sci., 6, 117-140, 2014.

Bowman, D. C. and W. S. D. Wilcock, Unusual signals recorded by ocean bottom seismometers on the caldera floor of Deception Island volcano, Antarctica, Antarctic Sci., 26, 267-275, doi:10.1017/S0954102013000758, 2014.

Weekly, R. T., W. S. D. Wilcock, D. R. Toomey, E. E. E. Hooft, and E. Kim, Upper crustal seismic structure of the Endeavour Segment, Juan de Fuca Ridge from travel time tomography: Implications for oceanic crustal accretion, Geochem. Geophys. Geosys., 15, doi: 10.1002/2013GC005159, 2014.

Toomey, D.R., R.M. Allen, A.H. Barclay, S.W. Bell, P.D. Bromirski, R.L. Carlson, X. Chen, J.A. Collins, R.P. Dziak, B. Evers, D.W. Forsyth, P. Gerstoft, E.E.E. Hooft, D. Livelybrooks, J.A. Lodewyk, D.S. Luther, J.J. McGuire, S.Y. Schwartz, M. Tolstoy, A.M. Tréhu, M. Weirathmueller, and W.S.D. Wilcock. The Cascadia Initiative: A sea change in seismological studies of subduction zones. Oceanography 27(2), 138–150, http://dx.doi.org/10.5670/oceanog.2014.49, 2014.

Abadi, S. H., Wilcock, W. S., Tolstoy, M., Crone, T. J., and Carbotte, S. M., Sound source localization technique using a seismic streamer and its extension for whale localization during seismic surveys. J. Acoust. Soc. Am., 138(6), 3951-3963, 2015.

Morgan, J., M. Warner, G. Arnoux, G., E. Hooft, D. Toomey, B. Vanderbeek and W. Wilcock, 2015, Next-Generation Seismic Experiments Part II: Wide-Angle, Multi-Azimuth, 3-D, Full-Waveform Inversion of sparse field data, Geophys. J. Int., 204, 1232-1363, 2015.

Soule, D., W. S. D. Wilcock, D. R. Toomey, E. E. E. Hooft and R. T. Weekly, Near-axis crustal structure and thickness of the Endeavour Segment, Juan de Fuca Ridge, Geophys. Res. Lett., 43, 5688-5695, 2016.


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VanderBeek, B. P., D. R. Toomey, E. E. E. Hooft and W. S. D. Wilcock, Segmentation of mid-ocean ridges attributed to oblique mantle divergence, Nature Geosci., 9, 636-642, 2016.

Gomberg, J., P. Bodin , J. Bourgeois, S. Cashman, D. Cowan, K. Creager, B. Crowell, A. Duvall, A. Frankel, F. Gonzalez, H. Houston, P. Johnson, H. Kelsey, U. Miller, E. Roland, D. Schmidt, L. Staisch, J. Vidale, , W. Wilcock, and E. Wirth, Planning for a subduction zone observatory, Eos, 97, doi:10.1029/2016EO052635, 2016.

Wilcock, W. S. D., M. Tolstoy, F. Waldhauser, C. Garcia, Y. J. Tan, D. R. Bohnenstiehl, J. Caplan-Auerbach, R. P. Dziak, A. Arnulf, M. E. Mann, Seismic constraints on caldera dynamics from the 2015 Axial Seamount eruption, Science, 354, 1395-1399, 2016.

Tan, Y. J., M. Tolstoy, F. Waldhauser, W. S. D Wilcock, Dynamics of a seafloor-spreading episode at the East Pacific Rise, Nature, 540, 261-265, 2016.

Abadi S. H., M. Tolstoy, W. S. D. Wilcock, Estimating the location of baleen whale calls using dual streamers to support mitigation procedures in seismic reflection surveys. PLoS ONE 12(2), e0171115. https://doi.org/10.1371/journal.pone.0171115, 2017.

Arnoux, G. M., D. R. Toomey, E. E. E. Hooft, W. S. D. Wilcock, J. Morgan, M. Warner, and B. P. VanderBeek, Seismic evidence that black smoker heat flux is influenced by localized magma replenishment and associated increases in crustal permeability, Geophys. Res. Lett., 44, 1687–1695, doi:10.1002/2016GL071990, 2017.

Ibáñez, J. M., A. Díaz-Moreno, J. Prudencio, D. Zandomeneghi, W. Wilcock, A. Barclay, J. Almendros, C.Benitez, A. García-Yeguas and G. Alguacil, A multi-parametric geophysical data base at Deception Island (Antarctica) obtained in the TOMO-DEC experiment, Sci. Data 4:170128 doi: 10.1038/sdata.2017.128, 2017.

Weirathmueller, M. J., W. S. D. Wilcock, R. S. Hilmo, Estimating range to a vocalizing fin whale using the timing and amplitude of multipath arrivals, J. Acoust. Soc. Am., 142, 2101-2120, 2017.

Weirathmueller, M. J., K. M. Stafford, W. S. D. Wilcock, R. S. Hilmo, R. A. Dziak, A. M. Tréhu, Spatial and temporal trends in fin whale vocalizations recorded in the NE Pacific Ocean between 2003-2013. PLoS ONE 12(10): e0186127, 2017.

Tolstoy, M., W.S.D. Wilcock, Y.J. Tan, andF. Waldhauser, A tale of two eruptions: How data from Axial Seamount led to a discovery on the East Pacific Rise. Oceanography 31(1), 124-125, 2018.

Tréhu, A.M., W. S. D. Wilcock, R. Hilmo, P. Bodin,J. Connolly, E. Roland, and J. Braunmiller, The role of the Ocean Observatories Initiative in monitoring the offshore earthquake activity of the Cascadia subduction zone. Oceanography 31(1), 104-113, 2018.

Wilcock, W.S.D., R.P. Dziak, M. Tolstoy,W.W. Chadwick Jr., S.L. Nooner, D.R. Bohnenstiehl, J. Caplan-Auerbach, F. Waldhauser, A.F. Arnulf,C. Baillard, T.-K. Lau, J.H. Haxel, Y.J. Tan, C. Garcia, S. Levy, and M.E. Mann, The recent volcanic history of Axial Seamount: Geophysical insights into past eruption dynamics with an eye toward enhanced observations of future eruptions. Oceanography 31(1), 114-123, 2018.

Levy S., D.R Bohnenstheil, P. Sprinkle, M.S. Boettcher, W.S.D. Wilcock, M. Tolstoy and F. Waldhauser. The mechanics of fault re-activation surrounding the 2015 eruption of Axial Seamount, Geology, 46(5) 447-450, 2018.

In Review Arnulf, A.F., A. J. Harding, G. M. Kent, W. S. D Wilcock, Structure, seismicity and accretionary

processes at the hotspot-influenced Axial Seamount on the Juan de Fuca ridge, J. Geophys. Res., revised version in review, 2018.


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Xu, G.. W. W. Chadwick Jr., W. S. D. Wilcock, K. G. Bemis, J. Delaney, Observation and Modeling of Hydrothermal Response to the 2015 Eruption at Axial Seamount, Northeast Pacific, Geochem. Geophys. Geosys., submitted, 2018.

Non-Refereed Wilcock, W. S. D., and P. C. Kauffman, A dissolved-oxygen seawater battery, RIDGE Events, 7

(2), 13-15, 1996. Wilcock, W. S. D., Review of Exploration Seismology, 2nd edition, by R. E. Sheriff and L. P.

Geldart, Cambridge University Press, Continental Shelf Res., 17, 583-584, 1997. M.K. Tivey, M.K., K. Bemis, A.M. Bradley, D. Butterfield, J.R. Delaney, K. Ding, R.P. Dziak,

C. Fisher, C.G. Fox, S. Hautala, D. Jackson, H.W. Jannasch, H. P. Johnson, S.K. Juniper, D. Kadko, D.S. Kelley, M. Lilley, R.E. McDuff, P. Rona, J. Sarrazin, A. Schultz, W.E. Seyfried Jr., R.E. Thomson, C. G. Wheat, W. S. D. Wilcock, D. Wright, and D. Yoerger, The RIDGE Endeavour Segment Seafloor Observatory: Recent Successes and an Overview of Coordinated Experiments for Y2K, RIDGE Events, 11 (2), 11-19, 2000.

Wilcock, W. S. D., K. Wang, R. D. Hyndman, A. M. Tréhu and K. C. Creager, The proposed NEPTUNE seafloor observatory on the Juan de Fuca plate: Applications to studies of intraplate earthquakes in Subduction Zone and Related Subduction Systems-Seismic Structure, Intraslab Earthquakes and Processes, edited by S. Kirby, K. Wang and S. Dunlop, U.S. Geological Survey Open-File Report 02-328 and Geological Survey of Canada Open File 4350, p 163-167, 2002.

Wilcock, W. S. D., and D. S. Kelley, Status Report on the Endeavour ISS, RIDGE 2000 Events, August Newsletter, 22-33, 2007.

Wilcock, W. S. D., P. R. McGill, E. E. E. Hooft, D. R. Toomey, H. M. Patel, D. S. Stakes, A. H. Barclay, T. M. Ramirez, R. T. Weekly, The deployment of a long-term seismic network on the Juan de Fuce Ridge, paper presented at the Oceans 2007 Meeting, Vancouver, September 29-October 1, 2007.

Bemis, K. and W. S. D. Wilcock, Status Report on the Endeavour ISS, RIDGE 2000 Events, September Newsletter, 28-29, 2008.

Wilcock, W. S. D., D. A. Schmidt, J. E. Vidale, M. J. Harrington, P. Bodin, G. S. Cram, J. R. Delaney, F. I. Gonzalez, D. S. Kelley, R. J. LeVeque, D. A. Manalang, C. McGuire, E. C. Roland, M. W. Stoermer, J. W. Tilley, C. J. Vogl, Designing an offshore geophysical network in the Pacific Northwest for earthquake and tsunami early warning and hazard research, OCEANS 2016 MTS/IEEE Monterey, Monterey, CA, 2016, pp. 1-8. doi: 10.1109/OCEANS.2016.7761291, 2016.

Wilcock, W. S. D., D. A. Manalang, M. J. Harrington, E. K. Fredrickson, G. Cram, J. Tilley, J. Burnett, D. Martin, T. Kobayashi and J. M. Paros, New approaches to in situ calibration of seafloor geodetic measurements, OCEANS 2018 MTS/IEEE Monterey Kobe, Japan, in press, 2018.


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Abstracts (Meetings) Wilcock, W. S. D., G. M. Purdy, and S. C. Solomon, A microearthquake study of the Kane

transform fault, central Atlantic Ocean, Eos Trans. AGU, 68, 1508, 1987. Wilcock, W. S. D., G. M. Purdy, and S. C. Solomon, Microearthquake evidence for extension

across the Kane transform fault, Eos Trans. AGU, 69, 305, 1988. Bergman, E. A., S. C. Solomon, W. S. D. Wilcock, and G. M. Purdy, On the seismic width of the

transform fault zone of the Kane Fracture Zone, Eos Trans. AGU, 69, 476, 1988. Solomon, S. C., E. A. Bergman, W. S. D. Wilcock, and G. M. Purdy, On the state of stress near

oceanic transforms and fracture zones, Eos Trans. AGU, 70, 469, 1989. Wilcock, W. S. D, and J. A. Whitehead, Diapir formation by a low-viscosity fluid layer, Eos

Trans. AGU, 70, 1416, 1989. Wilcock, W. S. D., S. C. Solomon, and G. M. Purdy, Three-dimensional seismic attenuation

structure at 9°30'N on the East Pacific Rise, Eos Trans. AGU, 71, 628, 1990. Wilcock, W. S. D., S. C. Solomon, G. M. Purdy, D. R. Toomey, and M. E. Dougherty, Seismic

attenuation structure of the crust on the axis of the East Pacific Rise at 9°30'N, Eos Trans. AGU, 72(17 suppl.), 263, 1991.

Dougherty, M. E., W. S. D. Wilcock, and S. C. Solomon, Elastic wave propagation through and East Pacific Rise magma chamber, Eos Trans. AGU, 72 (44 suppl.), 309, 1991.

Wilcock, W. S. D., M. E. Dougherty, S. C. Solomon, D. R. Toomey, and G. M. Purdy, Finite difference models of wave propagation at 9°30'N: An evaluation of tomographic images of attenuation, Eos Trans. AGU, 72 (44 suppl.), 495, 1991.

Wilcock, W. S. D., S. C. Solomon, G. M. Purdy, and D. R. Toomey, The near-surface attenuation structure at 9°30'N on the East Pacific Rise, Eos Trans. AGU, 73 (14 suppl.), 274, 1992.

DuBois, D. L., W. S. D. Wilcock, G. M. Purdy, S. C. Solomon, and D. R. Toomey, Microearthquake activity on the flanks of the East Pacific Rise at 9°30'N, Eos Trans. AGU, 73 (14 suppl.), 274, 1992.

Wilcock, W. S. D., S. C. Solomon, G. M. Purdy, and D. R. Toomey, Images of seismic attenuation at 9°30'N on the East Pacific Rise: Implications for the distribution of melt within the crust, Eos Trans. AGU, 73 (14 suppl.), 290, 1992.

Wilcock, W. S. D., S. C. Solomon, G. M. Purdy, and D. R. Toomey, The seismic attenuation structure of 0.00- to 0.35-My-old crust on the axis of the East Pacific Rise at 9°30'N, Eos Trans. AGU, 73 (43 suppl.), 592, 1992.

Wilcock, W. S. D., Gravitational Instabilities within a viscous fluid under simple shear, Eos Trans. AGU, 74 (43 suppl.), 598, 1993.

Wilcock, W. S. D., A model for the formation of megaplumes, Eos Trans. AGU, 75 (44 suppl.), 619, 1994.

A. McNabb, and W. S. D. Wilcock, Permeability estimates at mid ocean ridge sites, Proc. World Geotherm. Cong. 1995, 2, 1143-1144, Florence, Italy, May 18-31, 1995.

Cherkaoui, A. S. M., W. S. D. Wilcock, and E. T., Baker, Modeling thermal fluxes following the 1993 diking event on the CoAxial segment of the Juan de Fuca Ridge, Eos Trans. AGU, 76 (46 suppl.), F411, 1995.

Archer, S. D., W. S. D. Wilcock, and G. M. Purdy, Microearthquake activity across the Endeavour segment of the Juan de Fuca Ridge near 48°N, Eos Trans. AGU, 76 (46 suppl.), F420, 1995.

West, B. P. W., L. Géli, W. S. D. Wilcock, and J.-C. Sempéré, Models of rifting between Australia and Antarctica and the structure of asthenospheric flow beneath the Southeast Indian Ridge, Eos Trans. AGU, 76 (46 suppl.), F570, 1995.


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Wilcock, W. S. D., The venting temperature of black smokers, Eos Trans. AGU, 76 (46 suppl.), F674, 1995.

Forsyth, D. W., R. S. Detrick, Y. Shen. L. M. Dorman, J. A. Orcutt, S. C. Webb, J. Phipps Morgan, A. F. Sheehan, S. C. Solomon, D. R. Toomey, W. S. D. Wilcock, Overview of the seismological component of the MELT experiment, Eos Trans. AGU, 77, F652, 1996.

Toomey, D. R., S. C. Solomon, W. S. D. Wilcock, D. K. Blackman, J. A. Orcutt, B. Hammond, Upper mantle structure beneath the MELT region of the East Pacific Rise from initial observations of P and S delay times, Eos Trans. AGU, 77, F652, 1996.

Archer, S. D., W. S. D. Wilcock, and G. M. Purdy, Microearthquake activity associated with hydrothermal activity on the Endeavour segment of the Juan de Fuca Ridge, Eos Trans. AGU, 77, F727, 1996.

Cherkaoui, A. S. M., and W. S. D. Wilcock, Thermal convection in an open-top porous layer at high Rayleigh number: A simple analog for mid-ocean ridge hydrothermal systems, Eos Trans. AGU, 77, F727, 1996.

Delaney, J. R., M. D. Lilley, R. E. McDuff, D. S. Kelley, W. S. Wilcock and V. Robigou, Cellular hydrothermal circulation in a submarine system, Eos Trans. AGU, 77, F756, 1996

Wilcock, W. S. D. and J. R. Delaney, Mid-Ocean ridge hydrothermal systems: Magma chambers and cracking fronts, Eos Trans. AGU, 77, F757, 1996.

Toomey, D. R., W. S. D. Wilcock, S. C. Solomon, W. C. Hammond, D. K. Blackman, and J. A. Orcutt, Tomographic constraints on upper mantle structure beneath the MELT region of the East Pacific Rise, Eos Trans. AGU, 78, F705, 1997.

Cherkaoui, A. S. M., T. J. Crone, and W. S. D. Wilcock, Spatial and temporal characteristics of high Rayleigh number thermal convection in an open-top Hele-Shaw cell, EOS Trans AGU 79, F878, 1998.

Detrick, R. S., D. R. Toomey, and W. S. D. Wilcock, Variations in crustal thickness and Moho structure along the East Pacific Rise between the Clipperton and Siqueiros transforms from seismic refraction data, EOS Trans AGU 79, F804, 1998.

Tian, T., W. S. D. Wilcock, D. R. Toomey, and R. S. Detrick, Upper Crustal Velocity Structure on the East Pacific Rise Near 9º50'N, EOS Trans AGU 79, F804, 1998.

Toomey, D. R., W. S. D. Wilcock, R. S. Detrick, and R. A. Dunn, mapping melt and matrix flow in the uppermost mantle: Preliminary results from undershooting the EPR, EOS Trans AGU 79, F805, 1998.

Wilcock, W. S. D., S. C. Webb, and I. Th. Bjarnason, The effect of local wind on seismic noise near 1 Hz at the MELT site and on Iceland, EOS Trans AGU, 79, F662, 1998.

Canales, J. P., R. S. Detrick, D. R. Toomey, and W. S. D. Wilcock, Variations in crustal thickness and P-wave velocity along the East Pacific Rise between the Clipperton and Siqueiros transforms from wide-angle seismic data, EOS Trans AGU, 80, F995, 1999.

Cherkaoui, A. S. M., R. A. Dunn, W. S. D. Wilcock, and D. R. Toomey, Numerical models of hydrothermal cooling of the lower crust on the east pacific rise: Thermal constraints from seismic tomography, EOS Trans AGU, 80, F1048, 1999.

Dunn R. A., D. R. Toomey; R. S. Detrick, and W. S. D. Wilcock, Mantle seismic structure beneath the 9°03'N overlapping spreading center on the East Pacific Rise, EOS Trans AGU, 80, F1069, 1999.

Steedman, C. E., W. S. D. Wilcock, B. Ildefonse, B. Valsardieu, D. R. Toomey, and T. L. Pratt, Small scale seismic experiments in the Oman ophiolite, EOS Trans AGU, 80, F1048, 1999.

Toomey, D. R., W. S. D. Wilcock, J. Blundy, and W. C. Hammond, Asymmetric mantle dynamics in the melt region of the east pacific rise: A result of hot, asthenospheric return flow, EOS Trans AGU, 80, F961, 1999.


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Rhines, P.B., W. S. D. Wilcock, E. G. Lindahl, P. C. Kauffman, The geophysical fluid dynamics laboratory as a teaching tool, EOS Trans. AGU, 80, OS195, 1999.

Toomey, D. R., W. S. D Wilcock, J. A. Conder, D. W. Forsyth, J. Blundy, E. M. Parmentier, W. C. Hammond, Asymmetric mantle dynamics in the MELT region of the East Pacific Rise: Evidence for asthenospheric return flow, Eos Trans AGU, 81, 2000.

Ildefonse, B., P Pezard, D. Mainprice, W. S. D. Wilcock, D. R. Toomey, S. Constable, Can we distinguish between serpentinised peridotites and gabbros from their physical properties? Insights from the GEOman experiment, EUG XI, 2001.

Wilcock, W. S. D., D. Blackman, D. Chadwell, J. Collins, K. Creager, R. Detrick, D. Forsyth, C. Fox, M. Hemphill-Haley, B. Howe, R. Hyndman, S. Malone, J. Orcutt, K. Rohr, R. Sohn, D. Toomey, A. Tréhu, K. Wang, S. Webb, D. Wiens, Opportunities for seismology in NEPTUNE, Oceanography, 14(1), 59, 2001.

Wilcock, W. S. D., S. D. Archer, J. Almendros, A.H. Barclay, and G. M. Purdy, Microearthquakes on the Endeavour Segment of the Juan de Fuca Ridge, RIDGE Endeavour Observatory Results Workshop, Seattle, 2001.

Barclay, A. H., D. R. Toomey, W. S. D. Wilcock, and W. C. Hammond, Geodynamic and seismic modeling of the MELT region of the East Pacific Rise: An example of plate scale hotspot-ridge interaction, Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abstract S22D-02, 2001.

Snelson, C. M., K. C. Miller, T. M. Brocher, Q. Li, T. L. Pratt, W. S. D. Wilcock, R. S. Crosson, A. M. Tréhu, and C. S. Weaver, Crustal structure of the Puget Lowland, Washington state from the Dry SHIPS '99 seismic refraction/wide-angle reflection profile, Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abstract T42C-0946, 2001.

Crone, T. J., and W. S. D. Wilcock, Modeling the effects of tidal loading on hydrothermal discharge at mid-ocean ridges, Eos Trans. AGU, 83, Spr. Meet. Suppl., OS22A-12, 2002.

Cherkaoui. A. S. M, W. S. D. Wilcock, R. A. Dunn and D. R. Toomey, A numerical model of hydrothermal cooling and crustal accretion at a fast spreading mid-ocean ridge, 1st InterRidge Theoretical Institute, Thermal Regime of Ocean Ridges and Dynamics of Hydrothermal Circulation, Pavia, Italy, September 9-13, 2002.

Crone, T. J., and W. S. D. Wilcock, Modeling the effects of tidal loading on hydrothermal discharge at mid-ocean ridges, 1st InterRidge Theoretical Institute, Thermal Regime of Ocean Ridges and Dynamics of Hydrothermal Circulation, Pavia, Italy, September 9-13, 2002.

Wilcock, W. S. D., D. R. Toomey, and R. S. Detrick, Crustal variations in the axial low velocity zone between the Siqueiros and Clipperton transform faults, East Pacific Rise, Eos Trans. AGU, 83, Fall Meet. Suppl., T12C-1332, 2002.

Crone, T. J., and W. S. D. Wilcock, Modeling the Effects of Tidal Loading on Hydrothermal Discharge at Mid-Ocean Ridges, Eos Trans. AGU, 83, Fall Meet. Suppl., H21B-0808, 2002.

Wilcock, W., High-temperature hydrothermal circulation in the lower oceanic crust at fast spreading ridges: Reconciling geophysical and geochemical constraints, EGS-AGU-EUG Joint Assembly, Geophysical Research Abstracts, 5, Abstract EAE03-A-13273, 2003

Wilcock, W., T. J. Crone and R. E. McDuff, Tidal variations in fluid discharge velocities at mid-ocean ridge hydrothermal systems: A critical measurement, EGS-AGU-EUG Joint Assembly, Geophysical Research Abstracts, 5, Abstract EAE03-A-07121, 2003.

Wilcock, W., et al., Opportunities for seismology in NEPTUNE, EGS-AGU-EUG Joint Assembly, Geophysical Research Abstracts, 5, Abstract EAE03-A-04508, 2003.

Pratt, T. L, T. M. Brocher, Q. Li, W. Wilcock and the SHIPS Working Groups, The influence of sedimentary basins on ground shaking in the Puget Lowland, Washington State, Geological Society of America Annual Meeting, Paper 197-6, Seattle, November 2-5, 2003.


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Christopher, L. M., R Dunn, D. Toomey, W. Wilcock, and R. Detrick, Crustal seismic structure along the East Pacific Rise 8° 20'N to 10° 10'N: Crustal melt accumulation and its relation to mantle melt delivery, tectonic segmentation, seafloor geology and hydrothermal activity, Eos Trans. AGU, 84, Fall Meet. Suppl., B12A-0741, 2003.

Jousselin, D., D. R. Toomey, R. A. Dunn, W. S. Wilcock, and R. S. Detrick, Sub-moho melt accumulations beneath the east pacific rise between the Siqueiros Fracture Zone and the 9°30’N overlapping spreading center, Eos Trans. AGU, 84, Fall Meet. Suppl., B12A-0738, 2003.

McGill, P. R., W. S. Wilcock, D. S. Stakes, A. H. Barclay, T. M. Ramirez, and D. R. Toomey, A long-term seismic array on the Endeavour Segment of the Juan de Fuca Ridge, Eos Trans. AGU, 84, Fall Meet. Suppl., B12A-0748, 2003.

Toomey, D. R., R. A. Dunn, W. S. Wilcock, and R. S. Detrick, Mantle structure beneath the East Pacific Rise and its relation to tectonic segmentation, axial morphology and hydrothermal activity, Eos Trans. AGU, 84, Fall Meet. Suppl., B12A-0743, 2003.

Van Ark, E M, R. S. Detrick, J. P. Canales, S. M Carbotte, J. B. Diebold, A. Harding, G. Kent, M. R. Nedimovic, W. S. Wilcock, Seismic structure of the Endeavour Segment, Juan de Fuca Ridge: Correlations of crustal magma chamber properties with seismicity, faulting, and hydrothermal activity, Eos Trans. AGU, 84, Fall Meet. Suppl., B12A-0752, 2003.

Wilcock, W. S. D., A. H. Barclay, P. McGill, D. Stakes, T. Ramirez, D. Toomey, D. Durant, E. Hooft, T. Mulder and J. Ristau, Local Earthquakes on the Endeavour Segment of the Juan de Fuca Ridge: First Seismic Results from the Keck Seismic/Hydrothermal Observatory, Eos Trans. AGU, 85, Fall Meet. Suppl., Abstract B13A-0181, 2004.

McGill, P., D. Stakes, T. Ramirez, W. S. D. Wilcock, A. H. Barclay, D. Toomey, D. Durant, E. Hooft, T. Mulder and J. Ristau, First results from the deployment of a buried broadband seismometer on the Endeavour Segment of the Juan de Fuca Ridge, Eos Trans. AGU, 85, Fall Meet. Suppl., Abstract, T21C-0546, 2004.

Fontaine, F. J., W. S. D. Wilcock, and M. Rabinowicz, Physical constraints on the formation and storage of brines in mid-ocean ridge hydrothermal systems, Eos Trans. AGU, 85, Fall Meet. Suppl., Abstract B13A-0202, 2004.

Van Ark, E M, R. Detrick, J. P. Canales, S. M Carbotte, J. Diebold, G. Kent, A. Harding, W. Wilcock, Seismic characterization of crustal magma bodies at the Endeavour Segment, Juan de Fuca Ridge, Eos Trans. AGU, 84, Fall Meet. Suppl., Abstract B13A-0181, 2004.

Frye, D., L. Freitag, J. Collins, M. Grund, J. Ware, R. Detrick, R. Johnson, M. Lilley, W. Wilcock, A. LaBonte, K. Brown, J. Delaney, Deployment of a deep-water, acoustically-linked, moored buoy observatory on the Nootka Fault, off Vancouver Island, Eos Trans. AGU, 84, Fall Meet. Suppl., Abstract OS43B-0568, 2004.

Bowman, D., J. Parker,W. S. D. Wilcock, E. Hooft, A. Barclay, D. Toomey, P. McGill, D. Stakes, T. Ramirez, C. Schmidt, H. Patel, Microearthquakes beneath the hydrothermal vent fields on the Endeavour Segment of the Juan de Fuca Ridge: Results from the Keck Seismic/Hydrothermal Observatory, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract T31A-0485, 2005.

Crone, T. J., W. S. D. Wilcock, J. D. Parsons, and A. H. Barclay, The acoustic signature of high-temperature deep sea hydrothermal vents, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract T31A-0486, 2005

Fontaine, F. J., W. S. D. Wilcock, and D. A. Butterfield, Physical constraints on the salinity of mid-ocean ridge hydrothermal vent fluids, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract T31B-0497, 2005.

Zandomeneghi D, A. H. Barclay, T. Ben Zvi, W. S. D. Wilcock, J. M. Ibáñez, J. Almendros and TOMODEC Working Group. Preliminary Seismic Tomography of Deception Island


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Volcano, South Shetland Islands (Antarctica), Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract S41A-0975, 2005.

Ben Zvi, T., A. Barclay, A., W. S. D. Wilcock, J. Ibáñez, D. Zandomeneghi, J. Almendros, and TOMODEC Working group, Two-dimensional seismic tomography of Deception Island, Antarctica, 10th International Meeting of Colima Volcano, Colima, México, January, 2006.

Zandomaneghi, D., A. Barclay, W. S. D. Wilcock, J. Almendros, J. Ibáñez, and TOMODEC working group. A preliminary seismic tomographic image of Deception Island Volcano, 10th International Meeting of Colima Volcano, Colima, México, January, 2006.

Crone, T. J., W. S. D. Wilcock and R. E. Barclay, Measuring Black Smoker Fluid Flow Rates Using Image Correlation Velocimetry, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract OS31C-1645, 2006.

Ben Zvi, T. Z., A. H. Barclay, W. S. D. Wilcock, D. Zandomeneghi, J. M. Ibáñez, J Almendros and The TOMODEC Working Group, The P wave velocity structure of Deception Island, Antarctica, from two-dimensional seismic tomography, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract V11B-0589, 2006.

Hooft, E., H. Patel, W. Wilcock, H. Berkenbosch, D. Toomey, E. Davis, D. Butterfield, R. Dziak and M. Fowler, Spatial and Temporal Seismicity Patterns and Associated Vent Temperature and Borehole Pressure Perturbations of the Febuary/March 2005 Swarm on the Endeavour Segment, Juan de Fuca Ridge, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract B33D-07, 2006.

Dolenc, D., B. Romanowicz and W. Wilcock, Observations of infragravity waves at the Endeavour ocean bottom broadband station (KEBB), Seismological Society of America, 2007 Annual Meeting, Waikoloa Beach, Hawaii, April 11-13, 2007.

Ben-Zvi, T., W. S. D. Wilcock, A. H. Barclay, D. Zandomeneghi, J. M. Ibáñez, J. Almendros and TOMODEC Working Group, The P-wave velocity structure of Deception Island, Antarctica, from two-dimensional tomography (extended abstract), 10th International Symposium on Antarctic Earth Science, 2007.

Zandomeneghi, D. , A. H. Barclay, J. Almendros, J. M. Ibáñez, T. Ben-Zvi, W. S. D. Wilcock and TOMODEC Working Group, Three-dimensional P wave tomography of Deception Island Volcano, South Shetland Islands (extended abstract), 10th International Symposium on Antarctic Earth Science, 2007.

Toomey, D. R., E. E. Hooft and W. S. Wilcock, Is skew of mantle upwelling beneath spreading centers globally significant? observations (EPR), hints (MAR) and predictions (Juan de Fuca), Eos Trans. AGU, 88(52), Fall Meeting Suppl., Abstract T33B-1359, 2007.

Weekly, R. T., W. S. Wilcock, E. E. Hooft, D. R. Toomey and P. R. McGill, Seismicity along the Endeavour Segment of the Juan de Fuca Ridge: Automated event locations for an ocean-bottom seismometer network, Eos Trans. AGU, 88(52), Fall Meeting Suppl., Abstract T33B-1374, 2007.

Dolenc, D., B. Romanowicz, P. McGill and W. Wilcock, Observations of infragravity waves at the ocean-bottom broadband seismic stations Endeavour (KEBB) and Explorer (KXBB), Eos Trans. AGU, 88(52), Fall Meeting Suppl., Abstract S23A-1106, 2007.

Wilcock, W. S., E. E. Hooft, P. R. McGill, D. R. Toomey, A. H. Barclay, D. S. Stakes and T. M. Ramirez, Microearthquakes beneath the Endeavour hydrothermal vent fields: Insights into reaction zone processes, Eos Trans. AGU, 88(52), Fall Meeting Suppl., Abstract S13F-02, 2007.

Hooft E., H. Patel, W. Wilcock, D. Toomey, R. Dziak, E. Davis, D. Butterfield and M. Lilley, Seismic, Hydrological and Hydrothermal Perturbations: February-March 2005 Endeavour


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Seismic Swarm, Mantle to Microbe: Integrated Studies at Oceanic Spreading Centers, RIDGE 2000 Interdisciplinary Meeting, Portland, Oregon, March 26-27, 2008.

Wilcock, W. S., E. E. Hooft, P. R. McGill, D. R. Toomey, A. H. Barclay, D. S. Stakes and T. M. Ramirez, Microearthquakes beneath the Endeavour hydrothermal vent fields: Insights into reaction zone processes, Mantle to Microbe: Integrated Studies at Oceanic Spreading Centers, RIDGE 2000 Interdisciplinary Meeting, Portland, Oregon, March 26-27, 2008.

Weekly, R. T., W. S. Wilcock, E. E. Hooft, D. R. Toomey and P. R. McGill, Seismicity along the Endeavour Segment of the Juan de Fuca Ridge: Automated event locations for an ocean-bottom seismometer network, Mantle to Microbe: Integrated Studies at Oceanic Spreading Centers, RIDGE 2000 Interdisciplinary Meeting, Portland, Oregon, March 26-27, 2008.

Weekly, R. T., W. S. Wilcock, E. E. Hooft, D. R. Toomey and P. R. McGill, Seismicity along the Endeavour Segment from 2003-2006, Endeavour Integrated Studies Site Workshop, Seattle, Washington, September 18-19, 2008.

Wilcock, W. S. D., Tidal Triggering of Earthquakes in the Northeast Pacific Ocean, Eos Trans. AGU, 89(53), Fall Meeting Suppl., Abstract S21B-1810, 2008.

Weekly, R. T., W. S. Wilcock, D. R. Toomey, E. E. Hooft and P. R. McGill, An Automatically Generated Earthquake Catalog for the Endeavour Segment of the Juan de Fuca Ridge: Linkages Between Segment and Vent-Field Scale Seismicity, Eos Trans. AGU, 89(53), Fall Meeting Suppl., Abstract V54B-02, 2008.

Wilcock, W. S. D, D. C. Soule and R. E. Thomson, Tracking fin and blue whales above the Juan de Fuca Ridge with a local seafloor network, J. Acout Soc. Am., 125(4), 2588, 2009.

Soule, D. C., W. S. D. Wilcock and R. E. Thomson, Distribution of fin and blue whales above hydrothermal vent fields on the Juan de Fuca Ridge, N. E. Pacific Ocean, Proceedings of the 18th Biennial Conference on the Biology of Marine Mammals, October 12-16, Quebec, 2009.

Wilcock, W. S. D., R. T. Weekly, E. E. Hooft and D. R. Toomey, Temporal changes in the strength of tidal triggering linked to volcanic swarms on the Endeavour Segment, Juan de Fuca Ridge, Abstract OS21C-1520 presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec, 2010.

Toomey, D. R., E. E. Hooft and W. S. D., Mantle Flow Beneath the Juan de Fuca and East Pacific Rise Spreading Centers and Adjacent Plates, Abstract OS24A-03 presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec, 2010.

Weekly, R. T., W. S. D. Wilcock, E. E. Hooft and D. R. Toomey, Upper Crustal Seismic Velocity Structure of the Endeavour Segment, Juan de Fuca Ridge, Abstract OS13G-03 presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec, 2010.

Wells, A. E., E. E. Hooft, D. R. Toomey,,W. S. D. Wilcock and R. T. Weekly, Analysis of crustal thickness and off-axis low-velocity zones at the Endeavour segment of the Juan de Fuca Ridg, Abstract OS21C-1516 presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec, 2010.

Wilcock, W. S. D., D. R. Toomey, E. E. Hooft, R. T. Weekly and A. E. Wells, Testing Models of Magmatic and Hydrothermal Segmentation: A Three-Dimensional Seismic Tomography Experiment at the Endeavour Ridge (Invited), Abstract OS13G-01 presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec, 2010.

Soule, D. C., W. S. D. Wilcock and R. E. Thomson, Statistical analysis of fin whale vocalizations recorded by a seismic network at the Endeavour Segment of the Juan de Fuca Ridge, N. E. Pacific Ocean, J. Acout Soc. Am., 1295(4), 2638, 2011.


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Weirathmueller, M. J, D. C. Soule and W. S. D. Wilcock, Variations in the number of fin whale calls recorded at different locations in the Northeast Pacific Ocean, J. Acout Soc. Am., 1295(4), 2637, 2011.

Wilcock, W. S. D., Application of the double-difference earthquake relocation technique to refining marine mammal tracks, Fifth International Workshop on Detection, Classification, Localization, and Density Estimation of Marine Mammals using Passive Acoustics, August 21-25, Mount Hood, Oregon, 2011.

Weirathmueller, M. J, W. S. D. Wilcock and D. C. Soule, Automatic detection methods for fin whale calls at different locations in the NE Pacific ocean, Fifth International Workshop on Detection, Classification, Localization, and Density Estimation of Marine Mammals using Passive Acoustics, August 21-25, Mount Hood, Oregon, 2011.

Soule, D. C., W. S. Wilcock, E. E. Hooft, D. R. Toomey, A. E. Wells and R. T. Weekly, Measurement of crustal thickness using PmP arrivals from an active source experiment at the endeavour segment of the Juan de Fuca Ridge, Abstract V11E-2553 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec, 2011.

Weekly, R. T., W. S. Wilcock, D. R. Toomey, E. E. Hooft and A. E. Wells, Upper- to mid-crustal seismic velocity structure of the Endeavour Segment: Implications for crustal construction, Abstract V11E-2552 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec., 2011.

Wilcock, W. S, D. C. Soule, M. Weirathmueller and R. Thomson, Studying fin whales with seafloor seismic networks, Abstract S31D-2267 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec., 2011.

Toomey, D. R., R. M. Allen, J. A. Collins, R. P. Dziak, E. E. Hooft, D. Livelybrooks, J. J. McGuire, S. Y. Schwartz, M. Tolstoy, A. M. Trehu, W. S. Wilcock, Status of ocean bottom seismology component of Cascadia Initiative, Abstract T11C-08 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec., 2011.

Wells, A. E., E. E. Hooft, D. R. Toomey, W. S. Wilcock and R. T. Weekly, Analysis of off-axis low-velocity zones on the flanks of the Endeavour segment of the Juan de Fuca Ridge, Abstract V11E-2551 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec., 2011.

Toomey, D. R., E. E. Hooft, W. S. Wilcock, R. T. Weekly, A. E. Wells and D. C. Soule, Overview of Results from the Endeavour Seismic Tomography Experiment (Invited), Abstract V14C-03 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec, 2011.

Southall, B. L., C. Clark, K.Daley, S.Moore, R. Payne, K. Stafford, M. Stoermer, W. Wilcock, J. Delaney, Acoustic monitoring of marine life with a fiber-optic, ocean observing network, Abstract B1160 presented at 2012 Ocean Sciences Meeting, AGU, Salt Lake City, Utah, 19-24 Feb., 2012.

Weirathmueller, M. and W. Wilcock, An automatic single station multipath ranging technique for 20 Hz fin whale vocalizations, presented at the 6th International Workshop on Detection, Classification, Localization and Density Estimation of Marine Mammals using Passive Acoustics, University of St Andrews, Scotland, June 12-15, 2013.

Weirathmueller, M. and W. S. D. Wilcock, An automatic single station multipath ranging technique for 20 Hz fin whale calls: Applications for ocean bottom seismometer data in the northeast Pacific, J. Acoust. Soc. Am., 134, 4147, 2013.


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Hooft, E. E., A. E. Wells, D. R. Toomey and W. S. D. Wilcock, Seismic Evidence of Abundant Flank Magmatism at the Endeavour Segment, Juan de Fuca Ridge, OS42A-06, presented at 2013 Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec, 2013.

Kenyon, C., A. M. Trehu, D. R. Toomey, W. S. Wilcock, S. M. Carbotte, H. D. Carton and J. P. Canales, A 3D Velocity Model of the Central Cascadia Subduction Zone beneath the Oregon Continental Shelf and Coast Range, presented at 2013 Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec, 2013.

Soule, D. C., W. S. D. Wilcock, D. R. Toomey, E. E. Hooft and R. T. Weekly, Off-axis Crustal Thickness and Lower Crustal Velocity Structure from Seismic Tomography on the Endeavour Segment, Juan de Fuca Ridge, OS43A-1884, presented at 2013 Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec, 2013.

Toomey, D. R., R. M. Allen, J. A. Collins, R. P. Dziak, E. E. Hooft, D. Livelybrooks, J. J. McGuire, S. Y. Schwartz, M. Tolstoy, A. M. Trehu, W. S. Wilcock, Overview of the Ocean Bottom Seismology Component of the Cascadia Initiative, S12A-01, presented at 2013 Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec, 2013.

VanderBeek, B. P., D. R. Toomey, E. E. Hooft, W. S. D. Wilcock, R. T. Weekly and D. C. Soule, Seismic Structure of the Shallow Mantle Beneath the Endeavor Segment of the Juan de Fuca Ridge, OS43A-1885, presented at 2013 Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec, 2013.

Wilcock, W. S. D., R. T. Weekly, E. E. Hooft, W. S. D. Wilcock, D. R. Toomey and E. Kim, Linking Microearthquakes and Seismic Tomography on the Endeavour Segment of the Juan de Fuca Ridge: Implications for Hydrothermal Circulation, OS43C-04, presented at 2013 Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec, 2013.

VanderBeek, B. P., D. R. Toomey, E. E. E. Hooft and W. S. D. Wilcock (2014), Segment-Scale Seismic Structure of Slow-, Intermediate-, and Fast-Spreading Mid-Ocean Ridges: Constraints on the Origin of Ridge Segmentation and the Geometry of Shallow Mantle Flow, Abstract V23E-07 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.

Kim, E., D. R. Toomey, E. E. E. Hooft, W. S. D. Wilcock, S. M. Lee and Y. Kim (2014), Crustal Accretion Processes at Intermediate to Fast-Spreading Ridges: New Advances from Seafloor Geology, Geophysical Experiments, and Ocean Drilling III Posters, Abstract V31B-4749 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.

Hill, R., D. C. Soule, W. S. D. Wilcock, D. R. Toomey, E. E. E. Hooft and R. T. Weekly, (2014), Crustal Thickness and Lower Crustal Velocity Structure Beneath the Endeavour Segment of the Juan de Fuca Ridge, Abstract V31B-4750 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.

Arnoux, G. M., B. P. VanderBeek, J. V. Morgan, E.E.E. Hooft, D. R. Toomey, E. E. E. Hooft, W. S. D. Wilcock and M. Warner (2014), Advanced Seismic Studies of the Endeavour Ridge: Understanding the Interplay among Magmatic, Hydrothermal, and Tectonic Processes at Mid-Ocean Ridges, Abstract V31B-4751 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.

Wilcock, W. S. D., M. Tolstoy, C. Garcia, Y. J. Tan and F. Waldhauser (2015), Live from the Seafloor: Seismic Signals associated with the 2015 Eruption of Axial Seamount, Abstract OS41B-07 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Tolstoy, M., W. S. D. Wilcock, W. S. D., Y. J. Tan, F. Waldhauser (2015), A tale of two seafloor eruptions: Comparing seismic data from the 2006 East Pacific Rise and 2015 Axial


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Seamount eruptions, Abstract SS44B-05 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Tan, Y. J., M. Tolstoy, F. Waldhauser and W. S. D.Wilcock (2015), A New Perspective on the 9°50’N East Pacific Rise 2006 Eruption, Abstract SS44B-06 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Vidale, J. E., J. R. Delaney, D. R. Toomey, P. Bodin, E. C. Roland, W. S. D. Wilcock, H. Houson, D. A. Schmidt and R. M. Allen (2015), A real-time cabled observatory on the Cascadia subduction zone, Abstract T51D-2898 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Heesemann, M., M. Scherwath, K. Moran, W. S. D. Wilcock, R. Thomson and E. E. Davis (2015), Cabling a Tectonic Plate—Continuous Live Data from the Cascadia Subduction Zone is Enabled through Ocean Networks Canada's NEPTUNE Observatory and the Ocean Observatories Initiative's Cabled Array, Abstract T51D-2899 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Kim, E., D. R. Toomey, E. E. E. Hooft, W. S. D., R. T. Weekly, S.-M. Lee, Y. Kim (2015), Porosity estimates of the upper crust in the Endeavour segment of the Juan de Fuca Ridge, Abstract V21A-3024 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec., 2016.

Cook, M. J., E. C. Roland, G. S. Sasagawa, D. A. Schmidt, W. S. D. Wilcock, M. A. Zumberge, An absolute self-calibrating pressure recorder for campaign-style detection of vertical seafloor deformation in the Cascadia subduction zone, Abstract T31C-2906, presented at 2016 Fall Meeting, AGU, San Francisco, Calif., 12-16 Dec., 2016.

Heesemann, M., E. E. Davis, M. Scherwath, H. Kao, L. A. Coogan, G. C. Rogers, W. S. D. Wilcock, Seismic and tectonic monitoring of the endeavour ridge segment—recent and future expansion of Ocean Networks Canada's NEPTUNE Observatory on the Juan de Fuca Ridge, Abstract OS41C-1992, presented at 2016 Fall Meeting, AGU, San Francisco, Calif., 12-16 Dec., 2016.

Kim, E., D. R. Toomey, E. E. E. Hooft, W. S. D. Wilcock, R. T. Weekly, S.-M. Lee, Y. Kim, Joint Inversion for VP/VS structure of the upper oceanic crust beneath the Endeavour Segment of the Juan de Fuca Ridge, Abstract T13B-2720, presented at 2016 Fall Meeting, AGU, San Francisco, Calif., 12-16 Dec., 2016.

Tan, Y. J., F. Waldhauser, M. Tolstoy, W. S. D. Wilcock, Cross-correlation-based earthquake relocation and ambient noise imaging at Axial Seamount. Abstract OS43D-07, presented at 2016 Fall Meeting, AGU, San Francisco, Calif., 12-16 Dec., 2016.

Wilcock, W. S. D., M. Tolstoy, F. Waldhauser, Y. J. Tan, C. Garcia, A. F. Arnulf, T. J. Crone, Earthquake Tidal triggering associated with the 2015 eruption of Axial Seamount, Abstract OS44B-03, presented at 2016 Fall Meeting, AGU, San Francisco, Calif., 12-16 Dec. , 2016.

Wilcock, W. S. D., D. A. Schmidt, J. E. Vidale, M. J. Harrington, P. Bodin, G. S. Cram, J. R. Delaney, F. I. Gonzalez, D. S. Kelley, R. J. LeVeque, D. A. Manalang, C. McGuire, E. C. Roland, M. W. Stoermer, J. W. Tilley, C. J. Vogl (2016), An Offshore Geophysical Network in the Pacific Northwest for Earthquake and Tsunami Early Warning and Hazard Research, Abstract S23A-2749, presented at 2016 Fall Meeting, AGU, San Francisco, Calif., 12-16 Dec., 2016.

Cook, M. J., G. S. Sasagawa, M. A. Zumberge, W. S. D. Wilcock, D. A. Schmidt, and E. C. Roland (2017), Ocean bottom pressure measurements for detecting vertical seafloor


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deformation, presentation at the Seismological Society of America Annual Meeting, Denver, Colorado, 17-21 April.

Arnoux, G. M., D. R. Toomey, E. E. E. Hooft, W. S. D. Wilcock, Tomographic imaging of the transition from asthenospheric to lithospheric melt migration processes: 3-D structure of the topmost mantle and crust at the Endeavour Segment, Juan de Fuca Ridge, Abstract V44A-06, presented at 2017 Fall Meeting, AGU, New Orleans, Louisiana, 11-15 Dec, 2017.

Baillard, C., W. S. D. Wilcock, A. F. Arnulf, M. Tolstoy, F. Waldhauser, Three-dimensional S-wave tomography under Axial Seamount, Abstract V51D-0392, presented at 2017 Fall Meeting, AGU, New Orleans, Louisiana, 11-15 Dec, 2017.

Cook, M. J., G. S. Sasagawa, E. C. Roland, D. A. Schmidt, William S. D. Wilcock, M. A. Zumberge, Campaign-style measurements of vertical seafloor deformation in the Cascadia subduction zone using an absolute self-calibrating pressure recorder, Abstract T51-0528, presented at 2017 Fall Meeting, AGU, New Orleans, Louisiana, 11-15 Dec, 2017.

Fredrickson, E. F., W. S. D. Wilcock, P. MacCready, E. C. Roland, D. A. Schmidt, M. A. Zumberge, G. Sasagawa, A. L. Kuparov, Evaluating the use of seafloor pressure data for the study of slow slip earthquakes; insights from the 2011-2015 Cascadia Initiative deployment, Abstract, T51E-0530, presented at 2017 Fall Meeting, AGU, New Orleans, Louisiana, 11-15 Dec, 2017.

Hilmo, R., W. S. D. Wilcock, E. C. Roland, P. Bodin, J. Connolly, A comparison of high-frequency noise levels on Cascadia Initiative ocean-bottom seismometers, Abstract T51E-0521, presented at 2017 Fall Meeting, AGU, New Orleans, Louisiana, 11-15 Dec, 2017.

Tan, Y. J. , M. Tolstoy, F. Waldhauser, W. S. D. Wilcock, D. R. Bohnenstiehl, Spatiotemporal behavior of microearthquakes over an eruption cycle at 9°50’N East Pacific Rise and Axial Seamount, Abstract S42B-07, presented at 2017 Fall Meeting, AGU, New Orleans, Louisiana, 11-15 Dec, 2017.

Waldhauser, F., W. S. D. Wilcock, M. Tolstoy, C. Baillard, Y. J. Tan, D. P. Schaff, Precision seismic monitoring of volcanic eruptions at Axial Seamount, Abstract S13B-0656, presented at 2017 Fall Meeting, AGU, New Orleans, Louisiana, 11-15 Dec, 2017.

Wilcock, W. S. D., D. Manalang, M. Harrington, G. Cram, J. Tilley, J. Burnett, D. Martin, J. M. Paros, A Seafloor Test of the A-0-A Approach to Calibrating Pressure Sensors for Vertical Geodesy, Abstract T51E-0529, presented at 2017 Fall Meeting, AGU, New Orleans, Louisiana, 11-15 Dec, 2017.

Xu, G., W. W. Chadwick, Jr., W. S. D. Wilcock, K. G. Bemis, S. L. Nooner, G. S. Sasagawa, M. A. Zumberge, J. R. Delaney, Observation and modeling of hydrothermal response to the 2015 eruption at Axial Seamount, Northeast Pacific: An OOI Cabled Observatory case study, Abstract T33G-02, presented at 2017 Fall Meeting, AGU, New Orleans, Louisiana, 11-15 Dec, 2017.

Wilcock, W. S. D., D. Manalang, M. Harrington, G. Cram, J. Tilley, J. Burnett, D. Martin, J. M. Paros, An Ocean Test of the A-0-A Approach to In-situ Calibrations of Pressure Sensors for Long-Term Seafloor Observations, Abstract IS24E-2615, presented at 2018 Ocean Sciences Meeting, Portland, Oregon, 11-16 Feb., 2018.

Tolstoy, M., Y.J. Tan, F. Waldhauser and W. Wilcock, The necessity for long-term OBS deployments in understanding mid-ocean ridge processes, presentation at the Annual Meeting of the Seismological Society of America, Miami, FL, May 14-17, 2018.

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