Question 1

According to the elastic rebound model, earthquakes are caused by energy released when

Accepted Answer

A)  highly stressed (i.e.,bent) rock breaks and abruptly moves. 
B)  asthenosphere is dragged over lithosphere. 
C)  landslides rumble down the mountain slope. 
D)  dissolved gases escape violently from molten rock. 
A)  highly stressed (i.e.,bent) rock breaks and abruptly moves. 
B)  asthenosphere is dragged over lithosphere. 
C)  landslides rumble down the mountain slope. 
D)  dissolved gases escape violently from molten rock.

Question 2

Which of the following is NOT a reasonable way for communities to deal with the earthquake hazard?

Accepted Answer

A)  retrofit old buildings 
B)  enact building codes for new construction 
C)  provide insurance for potential victims 
D)  educate people on what to do during an earthquake 
E)  avoid living in an area where there are any earthquakes 
A)  retrofit old buildings 
B)  enact building codes for new construction 
C)  provide insurance for potential victims 
D)  educate people on what to do during an earthquake 
E)  avoid living in an area where there are any earthquakes

Question 3

Which of the following is NOT an effect of earthquakes?

Accepted Answer

A)  Ground rupture 
B)  Liquefaction 
C)  Volcanoes 
D)  Fires 
E)  Disease 
A)  Ground rupture 
B)  Liquefaction 
C)  Volcanoes 
D)  Fires 
E)  Disease

Question 4

Which of the following is NOT a reason why building a reservoir would increase earthquakes?

Accepted Answer

A)  Water from the reservoir would add extra weight to existing faults. 
B)  Water from the reservoir would add extra weight creating new fractures. 
C)  Water from the reservoir might lubricate existing fractures. 
D)  Water from the reservoir would lower levels of the groundwater and promote the development of underground caves. 
A)  Water from the reservoir would add extra weight to existing faults. 
B)  Water from the reservoir would add extra weight creating new fractures. 
C)  Water from the reservoir might lubricate existing fractures. 
D)  Water from the reservoir would lower levels of the groundwater and promote the development of underground caves.

Question 5

Explain the difference between earthquake magnitude and intensity.

Accepted Answer

Earthquake magnitude represents the ener

Question 6

Which kind of material would be prone to liquefaction during an earthquake?

Accepted Answer

A)  Water-saturated sand 
B)  Dry compacted clay 
C)  Sedimentary rock with horizontal layering 
D)  Volcanic rock that is very porous 
E)  Any earth material (rock or sediment) that is saturated with water 
A)  Water-saturated sand 
B)  Dry compacted clay 
C)  Sedimentary rock with horizontal layering 
D)  Volcanic rock that is very porous 
E)  Any earth material (rock or sediment) that is saturated with water

Question 7

Which scale is most useful to describe the absolute size of an earthquake and the energy released during an earthquake?

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

Because Japan is so well prepared for earthquakes, it receives little earthquake damage despite experiencing many earthquakes each year.

Accepted Answer

A) True 
 B)False

Question 9

There is 20 times more ground shaking associated with a magnitude 7 earthquake on the Richter scale compared to a magnitude 5 earthquake.

Accepted Answer

A) True 
 B)False

Question 10

How many earthquakes are there every year?

Accepted Answer

A)  About 15 
B)  About 150 
C)  About 1,500 
D)  About 15,000 
E)  About 1,500,000 
A)  About 15 
B)  About 150 
C)  About 1,500 
D)  About 15,000 
E)  About 1,500,000

Question 11

Which of the following is FALSE about the shaking from earthquakes?

Accepted Answer

A)  Shallow earthquakes tend to cause more ground shaking than deep ones. 
B)  Places closer to the epicenter experience more ground shaking. 
C)  The direction that the rupture moves along a fault can affect the amount of shaking. 
D)  Bedrock causes more ground shaking than mud because the seismic waves are transmitted more efficiently in bedrock. 
A)  Shallow earthquakes tend to cause more ground shaking than deep ones. 
B)  Places closer to the epicenter experience more ground shaking. 
C)  The direction that the rupture moves along a fault can affect the amount of shaking. 
D)  Bedrock causes more ground shaking than mud because the seismic waves are transmitted more efficiently in bedrock.

Question 12

Which of the following statements is FALSE about the magnitude of earthquakes?

Accepted Answer

A)  Magnitudes of earthquakes are based on powers of ten. 
B)  An earthquake of magnitude 3 on the Richter scale involves twice the amount of ground shaking as a magnitude 2 earthquake. 
C)  Great earthquakes can have a magnitude of 8 or higher. 
D)  Both the Richter Scale and Moment Magnitude Scale are used to describe the magnitude of an earthquake. 
A)  Magnitudes of earthquakes are based on powers of ten. 
B)  An earthquake of magnitude 3 on the Richter scale involves twice the amount of ground shaking as a magnitude 2 earthquake. 
C)  Great earthquakes can have a magnitude of 8 or higher. 
D)  Both the Richter Scale and Moment Magnitude Scale are used to describe the magnitude of an earthquake.

Question 13

Which of the following could threaten an area after the initial shocks from an earthquake subside?

Accepted Answer

A)  Fires 
B)  Landslides 
C)  Tsunamis 
D)  Aftershocks 
E)  All of the answer choices are correct. 
A)  Fires 
B)  Landslides 
C)  Tsunamis 
D)  Aftershocks 
E)  All of the answer choices are correct.

Question 14

Where along a fault are you most likely to see a large earthquake?

Accepted Answer

A)  The area on the fault that has been constantly moving 
B)  The area on the fault that has not moved in a long time 
C)  The area on the fault where small and frequent earthquakes are common 
D)  The area on the fault that has just had a very large earthquake 
A)  The area on the fault that has been constantly moving 
B)  The area on the fault that has not moved in a long time 
C)  The area on the fault where small and frequent earthquakes are common 
D)  The area on the fault that has just had a very large earthquake

Question 15

Earthquakes are found

Accepted Answer

A)  only on convergent plate boundaries. 
B)  only on divergent plate boundaries. 
C)  only on transform fault boundaries. 
D)  only within tectonic plates. 
E)  on all plate boundaries and within tectonic plates. 
A)  only on convergent plate boundaries. 
B)  only on divergent plate boundaries. 
C)  only on transform fault boundaries. 
D)  only within tectonic plates. 
E)  on all plate boundaries and within tectonic plates.

Question 16

Earthquakes can be predicted on a short term basis with considerable accuracy by careful measurement of precursor phenomena such as foreshocks and ground deformation.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is TRUE about seismographs taken far from the epicenter of the earthquake as compared to those that are closer?

Accepted Answer

A)  There will not be any P-waves detected. 
B)  There will not be any S-waves detected. 
C)  The P and S waves will be closer together. 
D)  The P and S waves will be farther apart. 
E)  The amplitude of the waves will be larger. 
A)  There will not be any P-waves detected. 
B)  There will not be any S-waves detected. 
C)  The P and S waves will be closer together. 
D)  The P and S waves will be farther apart. 
E)  The amplitude of the waves will be larger.

Question 18

Earthquakes around the world are extremely common events with an estimated number of more than a million earthquakes every year.

Accepted Answer

A) True 
 B)False

Question 19

Explain why fires are associated with earthquakes.

Accepted Answer

Earthquake shaking and surface displacem

Question 20

In which of the following faults does the hanging wall move down relative to the footwall?

Accepted Answer

A)  Normal fault 
B)  Reverse fault 
C)  Thrust fault 
D)  Blind fault 
E)  Strike-Slip fault 
A)  Normal fault 
B)  Reverse fault 
C)  Thrust fault 
D)  Blind fault 
E)  Strike-Slip fault

According to the elastic rebound model, earthquakes are caused by energy released when

Which of the following is NOT a reasonable way for communities to deal with the earthquake hazard?

Which of the following is NOT an effect of earthquakes?

Which of the following is NOT a reason why building a reservoir would increase earthquakes?

Explain the difference between earthquake magnitude and intensity.

Which kind of material would be prone to liquefaction during an earthquake?

Which scale is most useful to describe the absolute size of an earthquake and the energy released during an earthquake?

Because Japan is so well prepared for earthquakes, it receives little earthquake damage despite experiencing many earthquakes each year.

There is 20 times more ground shaking associated with a magnitude 7 earthquake on the Richter scale compared to a magnitude 5 earthquake.

How many earthquakes are there every year?

Which of the following is FALSE about the shaking from earthquakes?

Which of the following statements is FALSE about the magnitude of earthquakes?

Which of the following could threaten an area after the initial shocks from an earthquake subside?

Where along a fault are you most likely to see a large earthquake?

Earthquakes are found

Earthquakes can be predicted on a short term basis with considerable accuracy by careful measurement of precursor phenomena such as foreshocks and ground deformation.

Which of the following is TRUE about seismographs taken far from the epicenter of the earthquake as compared to those that are closer?

Earthquakes around the world are extremely common events with an estimated number of more than a million earthquakes every year.

Explain why fires are associated with earthquakes.

In which of the following faults does the hanging wall move down relative to the footwall?

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

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Exam 3: Earthquakes

According to the elastic rebound model, earthquakes are caused by energy released when

Which of the following is NOT a reasonable way for communities to deal with the earthquake hazard?

Which of the following is NOT an effect of earthquakes?

Which of the following is NOT a reason why building a reservoir would increase earthquakes?

Explain the difference between earthquake magnitude and intensity.

Which kind of material would be prone to liquefaction during an earthquake?

Which scale is most useful to describe the absolute size of an earthquake and the energy released during an earthquake?

Because Japan is so well prepared for earthquakes, it receives little earthquake damage despite experiencing many earthquakes each year.

There is 20 times more ground shaking associated with a magnitude 7 earthquake on the Richter scale compared to a magnitude 5 earthquake.

How many earthquakes are there every year?

Which of the following is FALSE about the shaking from earthquakes?

Which of the following statements is FALSE about the magnitude of earthquakes?

Which of the following could threaten an area after the initial shocks from an earthquake subside?

Where along a fault are you most likely to see a large earthquake?

Earthquakes are found

Earthquakes can be predicted on a short term basis with considerable accuracy by careful measurement of precursor phenomena such as foreshocks and ground deformation.

Which of the following is TRUE about seismographs taken far from the epicenter of the earthquake as compared to those that are closer?

Earthquakes around the world are extremely common events with an estimated number of more than a million earthquakes every year.

Explain why fires are associated with earthquakes.

In which of the following faults does the hanging wall move down relative to the footwall?

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