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Chap 19 vocab

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Question
Answer
The total force acting on crustal rocks per unit of area.   show
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show Strain  
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show Elastic deformation  
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When stress builds up past a certain point, called the elastic limit.   show
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show Fault  
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The vibrations of the ground produced during an earthquake.   show
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Squeeze and push rocks in the direction along which the waves are traveling.   show
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show Secondary Wave  
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Point of the initial fault rupture where an earthquake originates that usually lies at least several kilometer beneath Earth's surface.   show
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Point on Earth's surface directly above the focus of an earthquake.   show
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Instrument used to measure horizontal or vertical motion during an earthquake.   show
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Record produced by a seismometer that can provide individual tracking of each type of seismic wave.   show
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Numerical rating system used to measure the amount of energy released during an earthquake.   show
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show Magnitude  
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show Amplitude  
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A rating scale that measures the energy released by an earthquake, taking into account the size of the fault rupture, the amount of movement along the fault, and the rock's stiffness.   show
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show Modified Mercalli scale  
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Seismic vibrations can cause the ground to behave like a liquid in a phenomenon.   show
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A large ocean wave generated by vertical motions of the seafloor during an earthquake.   show
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show Seismic gap  
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Created by: jesse14