Question 1

Vancouver Island is currently flexing upward due to the accumulation of strain along the Cascadia subduction zone.

Accepted Answer

A) True 
 B)False

Question 2

In a normal fault

Accepted Answer

A)  the hanging wall moves sideways past the footwall. 
B)  the hanging wall moves down relative to the footwall. 
C)  the footwall moves up relative to the hanging wall. 
D)  has no hanging wall or footwall. 
E)  is a high-angle thrust fault. 
A)  the hanging wall moves sideways past the footwall. 
B)  the hanging wall moves down relative to the footwall. 
C)  the footwall moves up relative to the hanging wall. 
D)  has no hanging wall or footwall. 
E)  is a high-angle thrust fault.

Question 3

The 1960 giant earthquake in Chile released approximately as much energy as

Accepted Answer

A)  a thermonuclear bomb. 
B)  the United States uses in one year. 
C)  the Sun emits every hour. 
D)  a hurricane releases over its full life. 
E)  world annual energy consumption. 
A)  a thermonuclear bomb. 
B)  the United States uses in one year. 
C)  the Sun emits every hour. 
D)  a hurricane releases over its full life. 
E)  world annual energy consumption.

Question 4

Earthquake focus and epicentre are the same thing.

Accepted Answer

A) True 
 B)False

Question 5

The fastest seismic waves are

Accepted Answer

A)  shear waves. 
B)  secondary waves. 
C)  compressional waves. 
D)  Love waves. 
E)  Rayleigh waves. 
A)  shear waves. 
B)  secondary waves. 
C)  compressional waves. 
D)  Love waves. 
E)  Rayleigh waves.

Question 6

Blind faults cause ruptures at Earth's surface in unexpected places.

Accepted Answer

A) True 
 B)False

Question 7

Comment on the sentence "earthquakes are not randomly distributed over the Earth."

Accepted Answer

Earthquakes occur in areas when strain b

Question 8

Fault creep

Accepted Answer

A)  occurs only on strike-slip faults. 
B)  is gradual movement along a fault without noticeable earthquakes. 
C)  releases energy ensuring that no large earthquakes occur on the fault. 
D)  occurs only in seismic gaps. 
E)  does not cause any damage to structures. 
A)  occurs only on strike-slip faults. 
B)  is gradual movement along a fault without noticeable earthquakes. 
C)  releases energy ensuring that no large earthquakes occur on the fault. 
D)  occurs only in seismic gaps. 
E)  does not cause any damage to structures.

Question 9

What is meant by the directivity of an earthquake?

Accepted Answer

When a fault ruptures it doesn't do so s

Question 10

What is the earthquake cycle?

Accepted Answer

The earthquake cycle is an idea that exp

Question 11

List human activities that can cause earthquakes

Accepted Answer

Building dams and flooding val

Question 12

List the four types of waves produced by earthquakes.

Accepted Answer

P-waves,S-

Question 13

Normal fault earthquakes

Accepted Answer

A)  occur mostly at subduction zones. 
B)  occur mostly at divergent plate boundaries. 
C)  are commonly large. 
D)  are commonly deep. 
E)  occur mostly on land. 
A)  occur mostly at subduction zones. 
B)  occur mostly at divergent plate boundaries. 
C)  are commonly large. 
D)  are commonly deep. 
E)  occur mostly on land.

Question 14

What are intraplate earthquakes and why are they commonly more dangerous?

Accepted Answer

Intraplate earthquake occur within tecto

Question 15

Long-term slip rates along most major North American faults are well-known.

Accepted Answer

A) True 
 B)False

Question 16

Of the following choices,where would be the most prudent place to purchase property,to minimize risk of damage due to earthquakes?

Accepted Answer

A)  the Marina District of San Francisco 
B)  downtown Mexico City 
C)  west Oakland, California, on the waterfront 
D)  Richmond, BC, which is built on river sediments 
E)  just north of San Francisco, on bedrock 
A)  the Marina District of San Francisco 
B)  downtown Mexico City 
C)  west Oakland, California, on the waterfront 
D)  Richmond, BC, which is built on river sediments 
E)  just north of San Francisco, on bedrock

Vancouver Island is currently flexing upward due to the accumulation of strain along the Cascadia subduction zone.

In a normal fault

The 1960 giant earthquake in Chile released approximately as much energy as

Earthquake focus and epicentre are the same thing.

The fastest seismic waves are

Blind faults cause ruptures at Earth's surface in unexpected places.

Comment on the sentence "earthquakes are not randomly distributed over the Earth."

Fault creep

What is meant by the directivity of an earthquake?

What is the earthquake cycle?

List human activities that can cause earthquakes

List the four types of waves produced by earthquakes.

Normal fault earthquakes

What are intraplate earthquakes and why are they commonly more dangerous?

Long-term slip rates along most major North American faults are well-known.

Of the following choices,where would be the most prudent place to purchase property,to minimize risk of damage due to earthquakes?

Introduction to Natural Hazards

Internal Structure of Earth and Plate Tectonics

Tsunamis

Volcanoes and Volcanic Eruptions

Landslides

Snow Avalanches

Subsidence and Soil Expansion and Contraction

River Flooding

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Waves, Currents, and Coastlines

Wildfires

Climate Change

Meteorite Impacts and Extinctions

Filters

Exam 3: Earthquakes

Vancouver Island is currently flexing upward due to the accumulation of strain along the Cascadia subduction zone.

In a normal fault

The 1960 giant earthquake in Chile released approximately as much energy as

Earthquake focus and epicentre are the same thing.

The fastest seismic waves are

Blind faults cause ruptures at Earth's surface in unexpected places.

Comment on the sentence "earthquakes are not randomly distributed over the Earth."

Fault creep

What is meant by the directivity of an earthquake?

What is the earthquake cycle?

List human activities that can cause earthquakes

List the four types of waves produced by earthquakes.

Normal fault earthquakes

What are intraplate earthquakes and why are they commonly more dangerous?

Long-term slip rates along most major North American faults are well-known.

Of the following choices,where would be the most prudent place to purchase property,to minimize risk of damage due to earthquakes?

Introduction to Natural Hazards

Internal Structure of Earth and Plate Tectonics

Tsunamis

Volcanoes and Volcanic Eruptions

Landslides

Snow Avalanches

Subsidence and Soil Expansion and Contraction

River Flooding

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Waves, Currents, and Coastlines

Wildfires

Climate Change

Meteorite Impacts and Extinctions

Filters