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Common Core Humanities 9004
Catastrophes, Cultures & the Angry Earth
Coordinator: Professor J. Charles Schencking Email: [email protected]
Change the Way You See a Natural Disaster
Learn How We Can Respond to Future Calamities
Gain Knowledge and Skills to Rebuild Our World
Semester 2, 2014
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All About: What if
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Cascadia Subduction Zone
A Cascadia Megathrust Earthquake?
Is it possible?
Has it happened before?
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When Plates Collide: Convergent Boundary
Cascadia Plate Subducting Beneath the North American Plate
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When Plates Collide: Stress
Movement
Tension Building
Release
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Potential Cascadia Subduction: Total or piecemeal subduction?
How will the stress be released?
Why is this important?
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Proposed Satsop Nuclear Power Plant
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James Swans Ethnography
Makah Indians/Native Americans
Chemakum and Kwilleyute
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Many Micro Studies Earthquake Deities
But What About the Wave?
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Moving Beyond Thunderbird
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Digging Deeper
Fire Pits and Ocean Waves
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Sand Overlapping Soil: Subduction clue
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Ghosts from Our Past
Looking for Clues
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Ghost Forest Locations
Red Cedar Trunks
Spruce Stumps
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How the Trees Died
Rapid or Gradual Salt Water Immersion?
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Carbon Date Everything Peat: 1650-1780
Red Cedar Trunks: 1690-1780
Spruce Roots: 1695-1720
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Historys Natural Bar Code
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Historys Natural Bar Code
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Stressed Out Survivors
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Recording the 1700 Tsunami
Uniform Tsunami Height Along the Coast of Japan
Waves Without a Parent
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Reading the Historical Record Kuwagaseki: 2.5m tsunami
Tsugaruishi: 2.5m tsunami
tsuchi: 2.3m tsunami
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Reading the Historical Record 2
Tanabe: 2m tsunami
Seas Rose Strangely
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Seeing the Whole Picture
Tsunami Along the Entire Eastern Coast of Japan
No Parent Earthquake
Where Did the Waves Come From?
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Where Could the Tsunami have Come From?
Which Subduction Zone?
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The 26 January 1700 Cascadia Megathrust Earthquake
Subduction Along the Entire Zone
M ~ 9 Earthquake
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A Future Cascadia Mega Quake and Tsunami
Most conservative estimate: 10 to 15% chance of magnitude 9.0 earthquake in next 50 years (accompanied by a 30m high tsunami)
40% chance of magnitude 8.0 earthquake in next 50 years