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wc quiz 8

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Geologists who specifically study earthquakes are called
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Terms in this set (30)
Geologists who specifically study earthquakes are called
seismologists.
Most earthquakes are a result of
movement of rocks along faults.
Faulting and earthquakes are examples of what type of deformation?
brittle
The energy that is released during an earthquake travels through the Earth as vibrations termed _______.
seismic waves
Faults that have moved recently or are likely to move in the future are referred to as ________ faults.
active
The quantity of motion that occurs along a fault is termed
displacement.
Periods of intermittent sliding on a fault because of stress release during episodes of slip, followed by stress buildup to the point that the fault is reactivated, are termed
stick-slip behavior.
The point within the Earth where an earthquake originates is termed the
hypocenter (focus).
Before an earthquake, rocks can respond to applied stress to a small degree by bending and warping without breaking. This is termed _________.
elastic behavior
A ____________ is a scientific instrument used to record the ground motions produced by an earthquake.
seismometer
Which type of seismic wave has the fastest velocity?
P-wave
Body waves include
both S- and P-waves.
Earthquake waves that pass through the Earth's interior are termed
body waves.
Earthquake waves that travel along the Earth's surface are termed
surface waves.
A long delay between the arrival of P-waves and S-waves at a seismometer means that
the seismometer is located far from the earthquake.