Exam 10: A Violent Pulse: Earthquakes

Which type of earthquake has the highest velocity?

How many seismic stations are necessary to find the epicenter of an earthquake?

Surface waves ____________.

At any point along the surface of an oblique (nonvertical)fault,the ____________.

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

Which earthquake severity scale takes into account the type of rock that has been fractured?

Earthquakes that occur in a band called a ____________ can be used to track the motion of subducted oceanic lithosphere.

Generally,which type of earthquake waves travel fastest?

Faulting and earthquakes are examples of ____________.

Body waves include ____________.

Faults that have moved recently or are likely to move in the future are referred to as ____________.

All else being equal,an earthquake that strikes in the eastern United States would produce shaking that would be felt ____________ than one that occurred in the western United States.

A surface along which rock on opposed sides is offset by earthquake-induced slip is called a ____________.

All discovered faults are likely to experience earthquakes in the next few hundred years.

Which type of fault does NOT,by definition,have a fault trace?

Geologists who specifically study earthquakes are called ____________.

What geological setting(s)would you expect to produce seismic activity?

If a fault is nearly vertical in orientation and the two walls of rock on opposite sides slide past one another horizontally,the fault is termed ____________.

The greatest earthquake ever recorded by seismographs occurred in 1960 in Chile and measured ____________ on the seismic-moment magnitude scale.

Virtually all of the deaths attributed to major earthquakes have resulted from the collapse of buildings.