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May 12, 2018 5:30 7:30+/-
Gregory L. Hempen, PhD, PE, RG, AEG National President Presenting:
ARE YOU READY FOR THE BIG ONE?
Important Considerations for US Seismicity
An Update on AEG National Activities
Meeting Location at the Red Robbin in Murray (see below)
As all local geologists know, the Wasatch Fault runs along the eastern margin of the populated areas in
Utah. This fault is believed capable of generating magnitude 7 or greater earthquakes in our backyards.
Dr. Greg Hempen will discuss recent research for the New Madrid Seismic Zone (NMSZ) that allows new
interpretations of historic earthquakes and evaluations to assist the public with the preparedness for, and
response to, potential earthquakes. Paleoseismic studies and development of earthquake source and
wave passage modeling have allowed a new assessment of historic events. These assessments, in turn,
may be used to develop government, business and general public approaches to seismic-hazard
preparedness and response.
Paleoseismic studies of the NMSZ provide insight into the recent millennias historic events. Assembling
the paleoseismic assessments with the historic data for the 1811-1812 New Madrid Earthquake Series
(1811-12 Series) gives a fresh interpretation of the severity and number of daily interplate tremblers.
The use of regional geologic data and modeling of site response allowed our development of the 1811-
12 Series conceptual model of isoseismal maps. A cumulative isoseismal map for the 1811-12 Series
also has been prepared. The isoseismal maps provide median hazards. The hazard in any location may
have been much worse or much less.
Probabilistic and deterministic seismic models can be used to portray the seismic hazard with these
new interpretations. Such seismic models can be used to inform businesses, governments and the
general public of the hazard and risk of earthquake impacts. The presentation considers some actions
to inform the public of appropriate preparedness with these modeled seismic risks.
Greg is a Geophysicist / Geological Engineer, who specializes in all types of vibration mitigation from
earthquakes, blasting and pile driving, and recommending appropriate geophysical studies for complex
sites. His 40+-year career includes a long tenure at, and retirement from, the St. Louis District, Corps
Greg has conducted business for all levels of government, federal, state and local. He had worked closely
with consulting firms managing studies on federal projects. He now works in the private sector, but
continues studies for federal and state offices. His duties have included: site assessment of dam sites,
regional earthquake studies for federal dam sites, probabilistic and deterministic appraisal of potential
earthquake impacts, varied geophysical studies for different projects concerns (from archeological to
environmental transport to groundwater to rock weaknesses), blast mitigation while effectively achieving
the blasting goal, environmental mitigation, and the dreaded other duties, as assigned.
Greg received a B.S. in Geophysical Engineering from St. Louis University, a M.S. in Geo-
Engineering from the University of Minnesota, Minneapolis-St. Paul, and a Ph.D. in Geological
Engineering from the University of Missouri - Rolla (now Missouri University of Science & Technology).
He is a Registered Professional Engineer and Registered Professional Geologist in Missouri.
Greg has authored a variety of publications, which share the understanding of procedures instead
of keeping proprietary control of methodologies. Greg has been an adjunct professor at all the
engineering universities in the St. Louis area. He has taught Environmental Science classes and
Geotechnical Engineering courses. His longest running class was offered once a year, Seismology and
Seismic Design (CE 530A), Civil Engineering Department, Washington University of St. Louis, 1989 to
2004. Greg had taught at several Corps of Engineers professional training courses.
Several causes have gained Gregs attention over the years. He has long been active with AEG
(President, 2017-18 & 1989-90), and GSAs EEGD. He had a minor role in developing the administration
of the Jahns Lectureship. He is also active with several other professional organizations. Greg has been
involved with the pursuit of several important public issues, including Geologists Registration, public
disaster preparedness, and building-code adoption. He has served on state commissions, and is
presently serving on a Missouri State organization.
Some of the accolades that Greg has received are: Honorary Member from AEG, September 2014;
a Professional (Honorary) Degree from Missouri University of Science & Technology, December 2010; a
Presidential Award (POTUS) with the Army and Corps team for the Embrey Dam Removal, May 2004;
Achievement Medal for Civil Service, December 1998; Johnston Service Award from AEG, October 2002;
1991 Regional Outstanding Engineer from the Missouri River Region of the Society of American Military
Engineers; and, the Otto Nuttli Award from the St. Louis Section of the American Society of Civil
Engineers, October 2011.
The meeting location has moved to the Red Robin in Murray:
316 East Winchester St. Murray, UT 84107.
The new meeting location is easily accessed from I-215 Eastbound- Take Exit 11 (the State St. Exit), north
to 6400 South (Winchester), turn right. Red Robin is on the right in a couple blocks. From I-215 Westbound:
Take Exit 10, turn right on to 6400 South (Winchester) Red Robin is on the right.
Next Month (May 8th) Steve Streamer, Shell Oil - Drilling Program Supervisor
Presenting: 35 years of Drilling for Oil All Over the World,
(Includes An offshore blowout, high temp high pressure precautions, deep sea divers below 500
feet, and the first Caspian Sea test well at cost >$1B).
AEG Utah Chapter Contact Information:
Paul W. Jewell: p email@example.com Chairman
David L. Shank: David.Shank@parsons.com Vice Chairman
Jonathan Hermance: firstname.lastname@example.org Treasurer
Other Local News:
AEG NATIONAL NEWS
Do you have Experience with Engineers without Borders? For the Engineers without Borders Symposium, we are seeking AEG members who have experience
with EWB or similar projects that expose our involvement in community assistance type project. If you
have had any such experience, please contact Bruce Hilton or by phone at
ANNUAL CONFERENCE UPDATE
Engineering Geology for a Sustainable World
September 15-23, 2018 San Francisco, California
Complete Meeting Details and to Register [aegweb.org]
AEG Meeting Manager
Please contact us at 844-331-7867
or use our Contact Form[aegweb.org].
The Association of Environmental &
(AEG) contributes to its members
professional success and the public
welfare by providing leadership, advocacy,
and applied research in environmental and
This email was sent to email@example.com.
AEG 201 E Main St., Ste. 1405
Lexington, KY 40507 Phone: 859.469.5800
Fax: 859.514.9188 www.aegweb.org[aegweb.org]
The New Annual Meeting Mentor Program
The Student and Young Professional Support Committee (SYPSC) is developing an annual meeting mentor program to pair professionals that plan to attend the 2018 Annual Meeting with interested student attendees. We hope mentors can provide advice and support both before and during the annual meeting to make the meeting more relaxing, enjoyable, and beneficial for students. Students interested in being paired with a mentor will identify themselves when they register for the meeting, and will be provided with the contact information of a professional who has volunteered to be a mentor. The student can then contact the professional with questions ranging from "What should I wear?" to "Could we meet during the Ice Breaker?" If you plan to attend the 2018 annual meeting and are interested in serving as a mentor to a student