The flashcards below were created by user
jsn_man
on FreezingBlue Flashcards.
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seismic waves
the vibrations caused by an earthquake
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earthquake
the shaking of the ground caused by sudden movement of large blocks of rock along a fault
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epicenter
the point on the Earth's surface directly above the focus of an earthquake
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focus
in an earthquake, the point where rocks first begin to move underground
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seismograph
an instrument that constantly records ground movement
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magnitude
measure of an earthquake size; a measure of the energy of an earthquake; specifies on the Richter scale
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aftershock
a smaller earthquake that fallows a more powerful earthquake in the same area
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tsunami
a water wave caused by an earthquake, volcanic eruption, or landslide
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liquefaction
a process in which the shaking of the ground causes loose, wet soil to act like a liquid
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fault
a fracture in the Earth's lithosphere along which blocks of rocks move past each other.
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