Question 1

The magnitude of an earthquake is a function of its location.

Accepted Answer

A) True 
 B)False

Question 2

The epicenter of an earthquake is the point of rupture along the fault.

Accepted Answer

A) True 
 B)False

Question 3

Why might the emission of radon gas be useful in predicting earthquakes?

Accepted Answer

A) Potentially active faults emit large amounts of radon. 
B) Radon gas indicates activity in the mantle, which drives plate tectonics. 
C) Fracturing of the rocks allows radon to move more readily. 
D) Radon gas causes seismic gaps. 
A) Potentially active faults emit large amounts of radon. 
B) Radon gas indicates activity in the mantle, which drives plate tectonics. 
C) Fracturing of the rocks allows radon to move more readily. 
D) Radon gas causes seismic gaps.

Question 4

A(n) ________ fault has not experienced movement in the last 2 million years.

Accepted Answer

The answer of A(n) ________ fault has not experienced movement...

Question 5

________ intensity is useful in rapid determination of the degree of shaking.

Accepted Answer

The answer of ________ intensity is useful in rapid determination...

Question 6

The ________ magnitude is determined from the amplitude of waves recorded on seismograms.

Accepted Answer

The answer of The ________ magnitude is determined from the...

Question 7

Bedrock, because of its strength and rapid transmittal of seismic waves, increases the amplitude of those waves.

Accepted Answer

A) True 
 B)False

Question 8

An active fault is defined as a fault that

Accepted Answer

A) is sliding at a constant, rapid pace 
B) has experienced movement during Holocene time 
C) has experienced movement during Pleistocene time 
D) has experienced an earthquake in the last 500 years 
A) is sliding at a constant, rapid pace 
B) has experienced movement during Holocene time 
C) has experienced movement during Pleistocene time 
D) has experienced an earthquake in the last 500 years

Question 9

Most large earthquakes in the United States are interplate earthquakes.

Accepted Answer

A) True 
 B)False

Question 10

A series of earthquakes in the country of ________ in the late 20th century progressed along the fault from east to west.

Accepted Answer

The answer of A series of earthquakes in the country...

Question 11

The process of ________ releases elastic strain during and after an earthquake.

Accepted Answer

The answer of The process of ________ releases elastic strain...

Question 12

The 1811-1812 New Madrid earthquakes were different from most California earthquakes because

Accepted Answer

A) the New Madrid earthquakes did not occur on faults 
B) the New Madrid earthquakes were centered in a plate interior 
C) they were weaker than typical California earthquakes 
D) they occurred on a plate boundary between the North American and Caribbean plates 
A) the New Madrid earthquakes did not occur on faults 
B) the New Madrid earthquakes were centered in a plate interior 
C) they were weaker than typical California earthquakes 
D) they occurred on a plate boundary between the North American and Caribbean plates

Question 13

Emission of ________ gas is an occasional earthquake precursor.

Accepted Answer

The answer of Emission of ________ gas is an occasional...

Question 14

Why did the 1976 Tanshan earthquake in China deal a blow to the Chinese earthquake prediction program?

Accepted Answer

A) It occurred without foreshocks and was not predicted, unlike one the previous year. 
B) A prediction was issued for a major earthquake, but the earthquake turned out to be minor. 
C) No anomalous animal behavior was recorded prior to the earthquake. 
D) The Chinese had never predicted an earthquake successfully, so the warnings were not heeded. 
A) It occurred without foreshocks and was not predicted, unlike one the previous year. 
B) A prediction was issued for a major earthquake, but the earthquake turned out to be minor. 
C) No anomalous animal behavior was recorded prior to the earthquake. 
D) The Chinese had never predicted an earthquake successfully, so the warnings were not heeded.

Question 15

________ is the transformation of saturated sediments from the solid to the liquid form.

Accepted Answer

The answer of ________ is the transformation of saturated sediments...

Question 16

Why have 20th century earthquakes in Turkey suggested that some earthquakes beget subsequent earthquakes?

Accepted Answer

A) Two of the earthquakes were particularly strong. 
B) Shoddy building construction in the most recent led to many deaths. 
C) Prior to the Izmit earthquake in 1999, there had been no major quakes in more than 200 years. 
D) Earthquakes have occurred in a pattern from east to west. 
A) Two of the earthquakes were particularly strong. 
B) Shoddy building construction in the most recent led to many deaths. 
C) Prior to the Izmit earthquake in 1999, there had been no major quakes in more than 200 years. 
D) Earthquakes have occurred in a pattern from east to west.

Question 17

Why are nearby earthquakes often described as "jolting" while distant earthquakes are described as "rolling"?

Accepted Answer

A) because high frequency waves are attenuated as they move away from the epicenter 
B) because distant earthquakes only generate S-waves 
C) because buildings only are destroyed by high frequency surface waves 
D) because the amplitude of waves from distant earthquake are amplified by unconsolidated sediments 
A) because high frequency waves are attenuated as they move away from the epicenter 
B) because distant earthquakes only generate S-waves 
C) because buildings only are destroyed by high frequency surface waves 
D) because the amplitude of waves from distant earthquake are amplified by unconsolidated sediments

Question 18

Seismic risk maps are useful tools for short-term earthquake prediction.

Accepted Answer

A) True 
 B)False

Question 19

How does earthquake magnitude differ from intensity?

Accepted Answer

A) Magnitude reflects energy release, while intensity reflects the amount of shaking. 
B) Intensity reflects energy release, while magnitude reflects the amount of shaking. 
C) The two terms are synonymous, referring simply to the size of an earthquake. 
D) Magnitude is a result of the amount of shaking, which is determined by intensity. 
A) Magnitude reflects energy release, while intensity reflects the amount of shaking. 
B) Intensity reflects energy release, while magnitude reflects the amount of shaking. 
C) The two terms are synonymous, referring simply to the size of an earthquake. 
D) Magnitude is a result of the amount of shaking, which is determined by intensity.

Question 20

A strike-slip fault has what type of motion?

Accepted Answer

A) horizontal 
B) vertical 
C) rapid 
D) slow 
A) horizontal 
B) vertical 
C) rapid 
D) slow

The magnitude of an earthquake is a function of its location.

The epicenter of an earthquake is the point of rupture along the fault.

Why might the emission of radon gas be useful in predicting earthquakes?

A(n) ________ fault has not experienced movement in the last 2 million years.

________ intensity is useful in rapid determination of the degree of shaking.

The ________ magnitude is determined from the amplitude of waves recorded on seismograms.

Bedrock, because of its strength and rapid transmittal of seismic waves, increases the amplitude of those waves.

An active fault is defined as a fault that

Most large earthquakes in the United States are interplate earthquakes.

A series of earthquakes in the country of ________ in the late 20th century progressed along the fault from east to west.

The process of ________ releases elastic strain during and after an earthquake.

The 1811-1812 New Madrid earthquakes were different from most California earthquakes because

Emission of ________ gas is an occasional earthquake precursor.

Why did the 1976 Tanshan earthquake in China deal a blow to the Chinese earthquake prediction program?

________ is the transformation of saturated sediments from the solid to the liquid form.

Why have 20th century earthquakes in Turkey suggested that some earthquakes beget subsequent earthquakes?

Why are nearby earthquakes often described as "jolting" while distant earthquakes are described as "rolling"?

Seismic risk maps are useful tools for short-term earthquake prediction.

How does earthquake magnitude differ from intensity?

A strike-slip fault has what type of motion?

Philosophy and Fundamental Concepts

Internal Structure of Earth and Plate Tectonics

Minerals and Rocks

Ecology and Geology

Introduction to Natural Hazards

Tsunamis

Volcanic Activity

Rivers and Flooding

Slope Processes, Landslides, and Subsidence

Coastal Processes

Impact of Extraterrestrial Objects

Water Resources

Water Pollution

Mineral Resources and the Environment

Energy Resources

Soils and Environment

Global Climate Change

Geology, Society, and the Future

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Exam 6: Earthquakes

The magnitude of an earthquake is a function of its location.

The epicenter of an earthquake is the point of rupture along the fault.

Why might the emission of radon gas be useful in predicting earthquakes?

A(n) ________ fault has not experienced movement in the last 2 million years.

________ intensity is useful in rapid determination of the degree of shaking.

The ________ magnitude is determined from the amplitude of waves recorded on seismograms.

Bedrock, because of its strength and rapid transmittal of seismic waves, increases the amplitude of those waves.

An active fault is defined as a fault that

Most large earthquakes in the United States are interplate earthquakes.

A series of earthquakes in the country of ________ in the late 20th century progressed along the fault from east to west.

The process of ________ releases elastic strain during and after an earthquake.

The 1811-1812 New Madrid earthquakes were different from most California earthquakes because

Emission of ________ gas is an occasional earthquake precursor.

Why did the 1976 Tanshan earthquake in China deal a blow to the Chinese earthquake prediction program?

________ is the transformation of saturated sediments from the solid to the liquid form.

Why have 20th century earthquakes in Turkey suggested that some earthquakes beget subsequent earthquakes?

Why are nearby earthquakes often described as "jolting" while distant earthquakes are described as "rolling"?

Seismic risk maps are useful tools for short-term earthquake prediction.

How does earthquake magnitude differ from intensity?

A strike-slip fault has what type of motion?

Philosophy and Fundamental Concepts

Internal Structure of Earth and Plate Tectonics

Minerals and Rocks

Ecology and Geology

Introduction to Natural Hazards

Tsunamis

Volcanic Activity

Rivers and Flooding

Slope Processes, Landslides, and Subsidence

Coastal Processes

Impact of Extraterrestrial Objects

Water Resources

Water Pollution

Mineral Resources and the Environment

Energy Resources

Soils and Environment

Global Climate Change

Geology, Society, and the Future

Filters