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Vocab Words

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Term
Definition
show Forces per unit area that act on a material- compression, tension, and shear  
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Strain   show
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Elastic Deformation   show
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Plastic Deformation   show
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Fault   show
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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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show Instrument used to measure horizontal or vertical motion during an earthquake.  
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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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show Measures earthquake intensity on a scale from I to XII; the higher the number, the greater the damage the earthquake has caused.  
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Soil Liquefaction   show
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show Large, powerful ocean wave generated by the vertical motions of the seafloor during an earthquake; in shallow water, can form huge, fst-moving breakers exceeding 30m in height that can damage coastal areas.  
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show Place along an active fault that has not experienced an earthquake for a long time.  
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Created by: JCrafton14
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