Earthquakes - Earthquakes (1) Geo 106 February 7, 2008...

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Earthquakes (1) Geo 106 February 7, 2008
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• Stress (force) –Compressive –Tensile (pull) –Shearing • Strain (deformation) –Elastic deformation –Plastic deformation Stress vs. Strain
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Tensile Stress
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Strain (definition)
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Relationship between Stress and Strain
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Relationship between Stress and Strain
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Relationship between Stress and Strain Courtesy: GW Scherer
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Relationship between Stress and Strain Courtesy: GW Scherer
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• Physical behavior of rock –External factors –Internal factors (properties of rocks) –Time (how fast and how long) Behavior of Rocks: Deformation
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• Brittle rocks are ______ in tension (when they are pulled apart) than in compression. PLATE TECTONICS Behavior of Rocks
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• Brittle behavior - rocks near the Earth’s surface PLATE TECTONICS- GENERAL PRINCIPLES
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• Plastic behavior - rocks under Earth’s surface PLATE TECTONICS- GENERAL PRINCIPLES
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Deformation of Rocks
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Focus : Epicenter :
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EARTHQUAKE BASICS • What is an earthquake?
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This note was uploaded on 04/11/2008 for the course GEO SCI 106 taught by Professor Xu during the Spring '08 term at Wisconsin Milwaukee.

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Earthquakes - Earthquakes (1) Geo 106 February 7, 2008...

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