Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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

Accepted Answer

A)  hanging wall lies vertically above the footwall
B)  footwall lies vertically above the hanging wall
C)  hanging wall lies to the left of the footwall
D)  footwall lies to the left of the hanging wall

Question 3

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 ____________.

Accepted Answer

A)  normal
B)  reverse
C)  strike slip
D)  thrust

Question 4

Faulting and earthquakes are examples of ____________.

Accepted Answer

A)  brittle behavior
B)  ductile behavior

Question 5

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) .

Accepted Answer

A)  normal
B)  reverse
C)  strike slip
D)  thrust

Question 6

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

Accepted Answer

A)  joint
B)  fault
C)  fold
D)  wall

Question 7

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.

Accepted Answer

A)  over a greater distance
B)  over a lesser distance
C)  over the same distance

Question 8

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

Accepted Answer

A)  passive
B)  active
C)  normal
D)  reverse

Question 9

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

Accepted Answer

A)  one
B)  two
C)  three
D)  four

Question 10

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

Accepted Answer

A)  9.0
B)  9.5
C)  10.0
D)  10.5

Question 11

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

Accepted Answer

A)  Wegener belt
B)  seismic gap
C)  Wadati-Benioff zone

Question 12

Surface waves ____________.

Accepted Answer

A)  travel more rapidly than body waves
B)  produce most of the damage to buildings during earthquakes
C)  are the first waves initially produced in an earthquake
D)  are the first waves to arrive at a seismograph station after an earthquake

Question 13

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

Accepted Answer

A)  Richter scale
B)  Mercalli scale
C)  seismic-moment magnitude scale

Question 14

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

Accepted Answer

A)  normal fault
B)  reverse fault
C)  blind fault
D)  None of the above are correct;all faults have recognizable traces.

Question 15

Geologists who specifically study earthquakes are called ____________.

Accepted Answer

A)  seismologists
B)  paleontologists
C)  vulcanologists
D)  speleologists

Question 16

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

Accepted Answer

A)  Rift valley
B)  Basin
C)  Collisional mountain belt
D)  All of the above are correct.

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

Body waves include ____________.

Accepted Answer

A)  both S- and P-waves
B)  both L- and R-waves
C)  both surface and interior waves
D)  P-waves only

Question 19

Generally,which type of earthquake waves travel fastest?

Accepted Answer

A)  interior waves
B)  R-waves
C)  surface waves
D)  body waves

Question 20

Which type of earthquake has the highest velocity?

Accepted Answer

A)  L-wave
B)  P-wave
C)  R-wave
D)  S-wave

Exam 10: A Violent Pulse: Earthquakes

Body waves include ____________.

Correct AnswerverifiedShow Answer

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 ____________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which type of earthquake has the highest velocity?

Correct AnswerverifiedShow Answer

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) .

Correct AnswerverifiedShow Answer

Faulting and earthquakes are examples of ____________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Generally,which type of earthquake waves travel fastest?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Surface waves ____________.

Correct AnswerverifiedShow Answer

Geologists who specifically study earthquakes are called ____________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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