Question 1

Legislation designed to address earthquake hazards is most often passed immediately after major earthquakes.

Accepted Answer

A) True 
 B)False  True

Question 2

Fluid injection is a reliable technique that can be used to allow the release of stress that is built up in locked sections of major faults.

Accepted Answer

A) True 
 B)False  False

Question 3

Strategies for reducing earthquake-related damage include all of the following except

Accepted Answer

A)  Building strong structures across fault zones to stop fault movement. 
B)  Establishing a tsunami early warning system. 
C)  Improving underground drainage in areas with wet soil. 
D)  Avoiding building on steep slopes near fault zones. 
A)  Building strong structures across fault zones to stop fault movement. 
B)  Establishing a tsunami early warning system. 
C)  Improving underground drainage in areas with wet soil. 
D)  Avoiding building on steep slopes near fault zones. A

Question 4

An inappropriate response of an individual during an earthquake is

Accepted Answer

A)  Get underneath something strong, such as a doorway or heavy table. 
B)  Run outdoors. 
C)  Do nothing that will create sparks (do not use light switches, turn on motors of any kind, scrape metal against metal). 
D)  Attempt to extinguish any open flame (candles, gas stoves). 
A)  Get underneath something strong, such as a doorway or heavy table. 
B)  Run outdoors. 
C)  Do nothing that will create sparks (do not use light switches, turn on motors of any kind, scrape metal against metal). 
D)  Attempt to extinguish any open flame (candles, gas stoves).

Question 5

A Benioff zone is a region of deeper earthquake foci where geometry reflects a subducting slab of lithosphere.

Accepted Answer

A) True 
 B)False

Question 6

The focus of an earthquake

Accepted Answer

A)  Is the same thing as the epicenter. 
B)  Can be located using only one seismograph. 
C)  The primary point of rupture in the earth's crust and origin of the earthquake. 
D)  None of these choices is correct. 
A)  Is the same thing as the epicenter. 
B)  Can be located using only one seismograph. 
C)  The primary point of rupture in the earth's crust and origin of the earthquake. 
D)  None of these choices is correct.

Question 7

Faults near coastlines are three times more likely to move,thus causing an earthquake,during high tide than during low tide.

Accepted Answer

A) True 
 B)False

Question 8

The magnitude of the earthquake is dependent upon the amount of

Accepted Answer

A)  Ground failure. 
B)  Ground displacement. 
C)  Ground motion. 
D)  Ground damage. 
A)  Ground failure. 
B)  Ground displacement. 
C)  Ground motion. 
D)  Ground damage.

Question 9

A tsunami set off by an earthquake occurring on one side of the Pacific Ocean may later be detected on the other side of that ocean.

Accepted Answer

A) True 
 B)False

Question 10

In 1989,as in 1906,earthquake damage in San Francisco was most severe in areas underlain by fill,as in the Marina district.

Accepted Answer

A) True 
 B)False

Question 11

An individual,preparing for the likelihood of an earthquake,should NOT

Accepted Answer

A)  Choose living quarters that will withstand likely seismic waves generated during earthquakes typical of the region. 
B)  Keep emergency supplies handy and fresh. 
C)  Know where gas and electric shut-off devices are in the home or apartment. 
D)  Place tall, heavy furniture next to a bed that is not secured to a wall. 
A)  Choose living quarters that will withstand likely seismic waves generated during earthquakes typical of the region. 
B)  Keep emergency supplies handy and fresh. 
C)  Know where gas and electric shut-off devices are in the home or apartment. 
D)  Place tall, heavy furniture next to a bed that is not secured to a wall.

Question 12

Fluid might be injected along a locked section of fault to

Accepted Answer

A)  Cushion the shock of the next earthquake. 
B)  Cause the rocks to swell and close the fault. 
C)  Reduce resistance to shear along the fault, allowing creep to occur. 
D)  Reduce the risk of fire from an earthquake. 
A)  Cushion the shock of the next earthquake. 
B)  Cause the rocks to swell and close the fault. 
C)  Reduce resistance to shear along the fault, allowing creep to occur. 
D)  Reduce the risk of fire from an earthquake.

Question 13

Which of the following statements is not true?

Accepted Answer

A)  There is no predefined upper limit to the Richter scale. 
B)  On worldwide average, the largest earthquakes, with Richter magnitudes over 8, occur only once every few years. 
C)  While great earthquakes are rare, there may be hundreds of thousands of small earthquakes each year. 
D)  There are many more small earthquakes than large ones and the small ones thus account for most of the seismic energy released by earthquakes each year. 
A)  There is no predefined upper limit to the Richter scale. 
B)  On worldwide average, the largest earthquakes, with Richter magnitudes over 8, occur only once every few years. 
C)  While great earthquakes are rare, there may be hundreds of thousands of small earthquakes each year. 
D)  There are many more small earthquakes than large ones and the small ones thus account for most of the seismic energy released by earthquakes each year.

Question 14

Seismic activity in the Pacific Northwest is associated with

Accepted Answer

A)  Faults. 
B)  Folds. 
C)  Divergence. 
D)  Subduction. 
A)  Faults. 
B)  Folds. 
C)  Divergence. 
D)  Subduction.

Question 15

The largest magnitude historic earthquake in the fifty United States occurred

Accepted Answer

A)  Along the San Andreas fault in 1906. 
B)  In Anchorage, Alaska, in 1964. 
C)  Near New Madrid, Missouri, in 1811-1812. 
D)  Near New York City in 1850. 
A)  Along the San Andreas fault in 1906. 
B)  In Anchorage, Alaska, in 1964. 
C)  Near New Madrid, Missouri, in 1811-1812. 
D)  Near New York City in 1850.

Question 16

The only possibly useful earthquake precursor phenomenon found so far is an increase in numbers of small earthquakes prior to a large earthquake.

Accepted Answer

A) True 
 B)False

Question 17

Prediction of earthquakes on the San Andreas fault is complicated by the number of other faults in the vicinity,over which displacement may be distributed.

Accepted Answer

A) True 
 B)False

Question 18

The New Madrid,Missouri fault zone is a high-risk area on the U.S.seismic-risk map because

Accepted Answer

A)  It is undergoing rapid creep at this time. 
B)  It is subject to frequent severe earthquakes. 
C)  It is a large transform fault. 
D)  It was the site of the largest earthquakes ever reported in the contiguous United States. 
A)  It is undergoing rapid creep at this time. 
B)  It is subject to frequent severe earthquakes. 
C)  It is a large transform fault. 
D)  It was the site of the largest earthquakes ever reported in the contiguous United States.

Question 19

Once sound building codes are developed for a given area with earthquake hazards,older structures are routinely rebuilt for greater safety.

Accepted Answer

A) True 
 B)False

Question 20

The Anatolian Fault Zone in Turkey illustrates the tendency of major faults to break in segments.

Accepted Answer

A) True 
 B)False

Legislation designed to address earthquake hazards is most often passed immediately after major earthquakes.

Fluid injection is a reliable technique that can be used to allow the release of stress that is built up in locked sections of major faults.

Strategies for reducing earthquake-related damage include all of the following except

An inappropriate response of an individual during an earthquake is

A Benioff zone is a region of deeper earthquake foci where geometry reflects a subducting slab of lithosphere.

The focus of an earthquake

Faults near coastlines are three times more likely to move,thus causing an earthquake,during high tide than during low tide.

The magnitude of the earthquake is dependent upon the amount of

A tsunami set off by an earthquake occurring on one side of the Pacific Ocean may later be detected on the other side of that ocean.

In 1989,as in 1906,earthquake damage in San Francisco was most severe in areas underlain by fill,as in the Marina district.

An individual,preparing for the likelihood of an earthquake,should NOT

Fluid might be injected along a locked section of fault to

Which of the following statements is not true?

Seismic activity in the Pacific Northwest is associated with

The largest magnitude historic earthquake in the fifty United States occurred

The only possibly useful earthquake precursor phenomenon found so far is an increase in numbers of small earthquakes prior to a large earthquake.

Prediction of earthquakes on the San Andreas fault is complicated by the number of other faults in the vicinity,over which displacement may be distributed.

The New Madrid,Missouri fault zone is a high-risk area on the U.S.seismic-risk map because

Once sound building codes are developed for a given area with earthquake hazards,older structures are routinely rebuilt for greater safety.

The Anatolian Fault Zone in Turkey illustrates the tendency of major faults to break in segments.

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Exam 4: Earthquakes

Legislation designed to address earthquake hazards is most often passed immediately after major earthquakes.

Fluid injection is a reliable technique that can be used to allow the release of stress that is built up in locked sections of major faults.

Strategies for reducing earthquake-related damage include all of the following except

An inappropriate response of an individual during an earthquake is

A Benioff zone is a region of deeper earthquake foci where geometry reflects a subducting slab of lithosphere.

The focus of an earthquake

Faults near coastlines are three times more likely to move,thus causing an earthquake,during high tide than during low tide.

The magnitude of the earthquake is dependent upon the amount of

A tsunami set off by an earthquake occurring on one side of the Pacific Ocean may later be detected on the other side of that ocean.

In 1989,as in 1906,earthquake damage in San Francisco was most severe in areas underlain by fill,as in the Marina district.

An individual,preparing for the likelihood of an earthquake,should NOT

Fluid might be injected along a locked section of fault to

Which of the following statements is not true?

Seismic activity in the Pacific Northwest is associated with

The largest magnitude historic earthquake in the fifty United States occurred

The only possibly useful earthquake precursor phenomenon found so far is an increase in numbers of small earthquakes prior to a large earthquake.

Prediction of earthquakes on the San Andreas fault is complicated by the number of other faults in the vicinity,over which displacement may be distributed.

The New Madrid,Missouri fault zone is a high-risk area on the U.S.seismic-risk map because

Once sound building codes are developed for a given area with earthquake hazards,older structures are routinely rebuilt for greater safety.

The Anatolian Fault Zone in Turkey illustrates the tendency of major faults to break in segments.

Planet and Population: An Overview

Rocks and Minerals-A First Look

Plate Tectonics

Volcanoes

Streams and Flooding

Coastal Zones and Processes

Mass Movements

Ice and Glaciers,wind and Deserts

Climate-Past, present, and Future

Ground Water and Water Resources

Weathering, erosion, and Soil Resources

Mineral and Rock Resources

Energy Resources-Fossil Fuels

Energy Resources-Alternative Sources

Waste Disposal

Water Pollution

Air Pollution

Environmental Law and Policy

Land-Use Planning and Engineering Geology

Filters