Exam 8: A Violent Pulse: Earthquakes

If,during an earthquake,a hanging wall slides upward relative to a footwall,the fault is termed ____________ if the fault is steep (closer to vertical than horizontal).

The point within Earth where an earthquake takes place is termed the ____________.

Which type of earthquake waves generally travels fastest?

On December 26,2004,a magnitude 9 earthquake generated a tsunami that devastated coastlines on the ____________ Ocean.

Faulting and earthquakes are examples of ____________.

Vertical motion seismographs record earthquakes through the production of a squiggly diagram called a ____________.

Earthquake waves that pass through the interior of Earth are termed ____________.

Which type of earthquake wave travels fastest?

Geologists who specifically study earthquakes are called ____________.

An earthquake with magnitude 8.0 releases ____________ the energy of an earthquake with magnitude 4.0.

Surface waves ____________.

California is the only state in the United States that experiences frequent or strong earthquakes.

The quantity of offset that occurs along a fault is termed ____________.

A tsunami is ____________.

The greatest earthquake ever recorded by seismograph equipment measured ____________ on the moment-magnitude scale and had an epicenter off the coast of ____________.

If,during an earthquake,a footwall slides upward relative to a hanging wall,the fault is termed ____________.

Periods of intermittent sliding on a fault that result from the release of stress during episodes of displacement followed by stress buildup to the point that the fault is reactivated,are termed ____________.

Which earthquake severity scale only takes vibration caused by the S-waves into account when estimating the size of an earthquake?

Which earthquake severity scale measures the amplitude of deflection of a seismograph pen,standardized to an idealized distance of 100 km between epicenter and seismograph?

Aftershocks following a major earthquake ____________.