Question 1

Explain how seismologists locate the epicenter of any earthquake.

Accepted Answer

First, the distance to the earthquake is

Question 2

It is possible to develop an earthquake warning system that would provide 15 - 60 seconds of warning to an urban area before the arrival of damaging earthquake waves if the earthquake occurred far enough away.

Accepted Answer

A) True 
 B)False

Question 3

Which seismic waves are the last to reach a seismograph station?

Accepted Answer

A)  P-waves 
B)  S-waves 
C)  Surface waves 
D)  Body waves 
E)  All seismic waves travel at the same speed and therefore reach any seismograph station at the same time. 
A)  P-waves 
B)  S-waves 
C)  Surface waves 
D)  Body waves 
E)  All seismic waves travel at the same speed and therefore reach any seismograph station at the same time.

Question 4

The San Andreas Fault is considered a potentially active fault because it has not produced a major quake in over 500 years.

Accepted Answer

A) True 
 B)False

Question 5

Surface waves are the slowest seismic waves, but they have the largest amplitude and usually cause the most destruction in an earthquake.

Accepted Answer

A) True 
 B)False

Question 6

Earthquakes are only found along tectonic plate boundaries.

Accepted Answer

A) True 
 B)False

Question 7

Which scale is most appropriate to describe earthquake damage to structures and effects on people?

Accepted Answer

A)  Richter Scale 
B)  Moment Magnitude Scale 
C)  Modified Mercalli Scale 
D)  Fujita Scale 
E)  Saffir-Simpson Scale 
A)  Richter Scale 
B)  Moment Magnitude Scale 
C)  Modified Mercalli Scale 
D)  Fujita Scale 
E)  Saffir-Simpson Scale

Question 8

P-waves are the fastest seismic waves produced.

Accepted Answer

A) True 
 B)False

Question 9

Explain how earthquakes may be beneficial to human interests.

Accepted Answer

Geologic faults produced by earthquakes

Question 10

Explain what steps people should take to prevent personal disaster from a seismically active area.

Accepted Answer

Conduct a home safety check, which inclu

Question 11

Which earthquake scale is based mostly on human opinion and perception of recent events?

Accepted Answer

A)  Richter Scale 
B)  Moment Magnitude Scale 
C)  Modified Mercalli Scale 
D)  Fujita Scale 
E)  Saffir-Simpson Scale 
A)  Richter Scale 
B)  Moment Magnitude Scale 
C)  Modified Mercalli Scale 
D)  Fujita Scale 
E)  Saffir-Simpson Scale

Question 12

Earthquakes along the east coast of the U.S. are generally felt at greater distances from the epicenter tan similar sized earthquakes in California.

Accepted Answer

A) True 
 B)False

Question 13

If you lived on an active fault and felt a small earthquake, what would that mean?

Accepted Answer

A)  It's a foreshock. A big earthquake is coming. 
B)  The fault is releasing energy and won't shake again 
C)  The fault is the type to only cause small earthquakes and there are no worries for big ones. 
D)  Your fault is becoming more active and more earthquakes are on the way. 
E)  The fault is releasing energy, but it is not enough to know what might happen next. 
A)  It's a foreshock. A big earthquake is coming. 
B)  The fault is releasing energy and won't shake again 
C)  The fault is the type to only cause small earthquakes and there are no worries for big ones. 
D)  Your fault is becoming more active and more earthquakes are on the way. 
E)  The fault is releasing energy, but it is not enough to know what might happen next.

Question 14

Vertical movement of rock occurs in all of the following faults EXCEPT

Accepted Answer

A)  normal. 
B)  reverse. 
C)  strike-slip. 
D)  dip-slip. 
A)  normal. 
B)  reverse. 
C)  strike-slip. 
D)  dip-slip.

Explain how seismologists locate the epicenter of any earthquake.

It is possible to develop an earthquake warning system that would provide 15 - 60 seconds of warning to an urban area before the arrival of damaging earthquake waves if the earthquake occurred far enough away.

Which seismic waves are the last to reach a seismograph station?

The San Andreas Fault is considered a potentially active fault because it has not produced a major quake in over 500 years.

Surface waves are the slowest seismic waves, but they have the largest amplitude and usually cause the most destruction in an earthquake.

Earthquakes are only found along tectonic plate boundaries.

Which scale is most appropriate to describe earthquake damage to structures and effects on people?

P-waves are the fastest seismic waves produced.

Explain how earthquakes may be beneficial to human interests.

Explain what steps people should take to prevent personal disaster from a seismically active area.

Which earthquake scale is based mostly on human opinion and perception of recent events?

Earthquakes along the east coast of the U.S. are generally felt at greater distances from the epicenter tan similar sized earthquakes in California.

If you lived on an active fault and felt a small earthquake, what would that mean?

Vertical movement of rock occurs in all of the following faults EXCEPT

Introduction to Natural Hazards

Internal Structure of the Earth and Plate Tectonics

Tsunamis

Volcanoes

Flooding

Mass Wasting

Subsidence and Soils

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

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Exam 3: Earthquakes

Explain how seismologists locate the epicenter of any earthquake.

It is possible to develop an earthquake warning system that would provide 15 - 60 seconds of warning to an urban area before the arrival of damaging earthquake waves if the earthquake occurred far enough away.

Which seismic waves are the last to reach a seismograph station?

The San Andreas Fault is considered a potentially active fault because it has not produced a major quake in over 500 years.

Surface waves are the slowest seismic waves, but they have the largest amplitude and usually cause the most destruction in an earthquake.

Earthquakes are only found along tectonic plate boundaries.

Which scale is most appropriate to describe earthquake damage to structures and effects on people?

P-waves are the fastest seismic waves produced.

Explain how earthquakes may be beneficial to human interests.

Explain what steps people should take to prevent personal disaster from a seismically active area.

Which earthquake scale is based mostly on human opinion and perception of recent events?

Earthquakes along the east coast of the U.S. are generally felt at greater distances from the epicenter tan similar sized earthquakes in California.

If you lived on an active fault and felt a small earthquake, what would that mean?

Vertical movement of rock occurs in all of the following faults EXCEPT

Introduction to Natural Hazards

Internal Structure of the Earth and Plate Tectonics

Tsunamis

Volcanoes

Flooding

Mass Wasting

Subsidence and Soils

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Coastal Hazards

Climate and Climate Change

Wildfires

Impacts and Extinctions

Filters