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12 Cards in this Set

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