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12 Cards in this Set
- Front
- Back
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The order in which seismic waves are recorded
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P waves, S waves, then Surface waves
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List four instruments that geologists use to monitor movements along faults
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Creep Meter, Tiltmeter, Laser-ranging device, GPS satellites
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Measures movement along a strike-slip fault
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Creep Meter
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A device that bounces laser beams off a reflector to detect fault movements
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laser-ranging divice
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Works like a carpenter's level
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tiltmeter
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A device that measures tiny movements of markers set up on the opposite sides of a fault via satellites
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GPS satellite
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Force that opposes the motion of one surface as it moves across another surface
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friction
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What two factors help to determine earthquake risks
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Where faults are active and where past earthquakes have occurred
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What determines where and how much the ground shakes
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Type of rock and soil
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A process where violent shaking turns loose soil into liquid mud
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liquefication
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An earthquake that occurs after a larger earthquake
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aftershock
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Large ocean waves usually caused by strong earthquakes below the ocean floor
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tsunamis
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