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Unformatted text preview: 5. Relationship between deformation and earthquakes a. Earthquakes ONLY occur whenever rock deforms BRITTLELY! i. Earthquakes are the release of energy inside the Earth ii. Often result of BRITTLE deformation Stress Stress is the force/area that causes deformation Three types of stress 1. Compression a. Folds b. Faults: reverse or thrust 2. Tension/extension a. Fault: normal 3. Shear a. Fault: Strike-slip Recognizing Faults Faults dont have to break Earths surface...
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- Spring '07