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Vocab Words

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Stress   show
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Strain   show
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Elastic Deformation   show
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show Permanent deformation caused by strain when stress exceeds a certain value.  
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show Fracure or system of fractures in Earth's crust that occcurs when stress is applied too quickly or stress is too great; can form as a result of horiontal compression, horizontal shear, or horizontal tension.  
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Seismic Wave   show
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Primary Wave   show
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show Seismic wave that causes rock particles to move at right angles to the direction of the wave, known as the S-wave  
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show Point of the initial fault rupture where an earthquake originates that usually lies at least several kilometers beneath Earth's surface.  
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show Point on Earth's surface directly above the focus of an earthquake  
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Seismometer   show
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Seismogram   show
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Richter Scale   show
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Magnitude   show
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show The size of the seismic waves; an increase of 1 in the scale represents an increase in amplitude of a factor of 10  
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show Scale used to measure earthquake magnitude- taking into account the size of the fault rupture, the rocks' stiffness, and the amount of movement along the fault- using values that can be estimated from the size of several types of seismic waves.  
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Modified Mercalli Scale   show
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show Process associated with seismic vibrations that occur in areas of sand that is nearly saturated; resulting in the ground behaving like a liquid.  
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Tsunami   show
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Seismic Gap   show
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Created by: JCrafton14
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