Question 1

Freeway overpasses often collapse in a strong earthquake,even though their supports are made of concrete and heavy-duty steel reinforcing bars.Why?

Accepted Answer

Shaking in the earthquake crac

Question 2

Which of the following is NOT true of many old brick or stone buildings in an earthquake?

Accepted Answer

A)  Flexing of the walls can permit the floor beams to pull out and the floors to fall. 
B)  Heavy reinforced concrete floors and corner supports with unreinforced fill-in walls of brick are common in the developing world. 
C)  Because of its mortar brick, walls can flex enough to withstand most earthquakes. 
D)  Bricks falling from buildings often crush cars and can injure or kill passengers. 
E)  Stone walls are no better than brick walls in an earthquake. 
A)  Flexing of the walls can permit the floor beams to pull out and the floors to fall. 
B)  Heavy reinforced concrete floors and corner supports with unreinforced fill-in walls of brick are common in the developing world. 
C)  Because of its mortar brick, walls can flex enough to withstand most earthquakes. 
D)  Bricks falling from buildings often crush cars and can injure or kill passengers. 
E)  Stone walls are no better than brick walls in an earthquake.

Question 3

Which of the following make(s)the safest house walls during an earthquake?

Accepted Answer

A)  four inches of concrete 
B)  stone blocks well cemented together 
C)  bricks tightly mortared together 
D)  adobe 
E)  two-by-four inch lumber covered with plywood 
A)  four inches of concrete 
B)  stone blocks well cemented together 
C)  bricks tightly mortared together 
D)  adobe 
E)  two-by-four inch lumber covered with plywood

Question 4

Why does the North Anatolian Fault of Turkey kill many more people than the San Andreas Fault?

Accepted Answer

A)  People in Turkey are not as familiar with earthquakes. 
B)  Earthquakes along that fault are much stronger than those in California. 
C)  Most of the buildings near that fault are on artificial fill. 
D)  There is poor quality of construction in Turkey. 
E)  There are no building codes in Turkey. 
A)  People in Turkey are not as familiar with earthquakes. 
B)  Earthquakes along that fault are much stronger than those in California. 
C)  Most of the buildings near that fault are on artificial fill. 
D)  There is poor quality of construction in Turkey. 
E)  There are no building codes in Turkey.

Question 5

There has been at least one highly successful prediction of a major earthquake that saved a very large number of lives.Where and when was that earthquake? What information led to the prediction?

Accepted Answer

Haicheng,China,in 19

Question 6

Why do so many people in certain regions get sick and often die from sickness after an earthquake?

Accepted Answer

Broken sew

Question 7

Where is the safest place to be in an earthquake?

Accepted Answer

Outside (w

Question 8

Which of the following have NOT been used to suggest that an earthquake may be coming?

Accepted Answer

A)  microearthquakes 
B)  changes in groundwater level 
C)  increase in radon in water 
D)  changes in tide heights 
E)  strange animal behavior 
A)  microearthquakes 
B)  changes in groundwater level 
C)  increase in radon in water 
D)  changes in tide heights 
E)  strange animal behavior

Question 9

In the case of the 2008 earthquake in Wenchuan (Sichuan),China,what could have been done to reduce the number of casualties that resulted from the earthquake?

Accepted Answer

Better enf

Question 10

What is the approximate frequency of shaking,or back-and-forth sway,of a typical 20-story building?

Accepted Answer

0.2 back-and-forth m

Question 11

For very long faults such as those in westernmost North America,what historic information can be,and has been,used to infer where the next large earthquake may be?

Accepted Answer

A)  the part of the fault with the most frequent earthquakes 
B)  the part of the fault that creeps slowly and may be building to a sudden break 
C)  the part of the fault where there is a seismic gap 
D)  the part of the fault with the largest earthquake in the past 
E)  the part of the fault closest to the largest population 
A)  the part of the fault with the most frequent earthquakes 
B)  the part of the fault that creeps slowly and may be building to a sudden break 
C)  the part of the fault where there is a seismic gap 
D)  the part of the fault with the largest earthquake in the past 
E)  the part of the fault closest to the largest population

Question 12

The best-known successful prediction of a major earthquake was where and when?

Accepted Answer

A)  Fargo, North Dakota, in 1957 
B)  Haicheng, China, in 1975 
C)  Los Angeles in 1994 
D)  Hokkaido, Japan, in 1998 
E)  Banda Aceh, Sumatra, in 2004 
A)  Fargo, North Dakota, in 1957 
B)  Haicheng, China, in 1975 
C)  Los Angeles in 1994 
D)  Hokkaido, Japan, in 1998 
E)  Banda Aceh, Sumatra, in 2004

Question 13

The 1989 Loma Prieta Earthquake occurred on which Californian fault?

Accepted Answer

A)  San Andreas Fault 
B)  Hayward Fault 
C)  Calavares Fault 
D)  Loma Prieta Fault 
E)  San Jacinto Fault 
A)  San Andreas Fault 
B)  Hayward Fault 
C)  Calavares Fault 
D)  Loma Prieta Fault 
E)  San Jacinto Fault

Question 14

You are on the 20th floor of your office building when the ground starts shaking-an earthquake is occurring! One of your coworkers bolts for the stairwell to try to flee the building.Do you let them continue down the stairs or stop them? Why?

Accepted Answer

If there were enough time,you could let

Question 15

Some major faults show migration of earthquakes along the fault with time (that is,over the past few hundred or a thousand years).Name one such fault-or indicate exactly where it is.When was the last major earthquake on that fault?

Accepted Answer

North Anat

Question 16

Where in the United States,east of the Rocky Mountains,is there seismic risk comparable to California?

Accepted Answer

The New Madrid area

Question 17

Which of the following would be the safest place to be in an earthquake?

Accepted Answer

A)  in bed 
B)  in a brick building 
C)  in a building with concrete walls 
D)  in a frame (wood) house 
E)  in a building with stone walls well cemented together 
A)  in bed 
B)  in a brick building 
C)  in a building with concrete walls 
D)  in a frame (wood) house 
E)  in a building with stone walls well cemented together

Freeway overpasses often collapse in a strong earthquake,even though their supports are made of concrete and heavy-duty steel reinforcing bars.Why?

Which of the following is NOT true of many old brick or stone buildings in an earthquake?

Which of the following make(s)the safest house walls during an earthquake?

Why does the North Anatolian Fault of Turkey kill many more people than the San Andreas Fault?

There has been at least one highly successful prediction of a major earthquake that saved a very large number of lives.Where and when was that earthquake? What information led to the prediction?

Why do so many people in certain regions get sick and often die from sickness after an earthquake?

Where is the safest place to be in an earthquake?

Which of the following have NOT been used to suggest that an earthquake may be coming?

In the case of the 2008 earthquake in Wenchuan (Sichuan),China,what could have been done to reduce the number of casualties that resulted from the earthquake?

What is the approximate frequency of shaking,or back-and-forth sway,of a typical 20-story building?

For very long faults such as those in westernmost North America,what historic information can be,and has been,used to infer where the next large earthquake may be?

The best-known successful prediction of a major earthquake was where and when?

The 1989 Loma Prieta Earthquake occurred on which Californian fault?

You are on the 20th floor of your office building when the ground starts shaking-an earthquake is occurring! One of your coworkers bolts for the stairwell to try to flee the building.Do you let them continue down the stairs or stop them? Why?

Some major faults show migration of earthquakes along the fault with time (that is,over the past few hundred or a thousand years).Name one such fault-or indicate exactly where it is.When was the last major earthquake on that fault?

Where in the United States,east of the Rocky Mountains,is there seismic risk comparable to California?

Which of the following would be the safest place to be in an earthquake?

Natural Hazards and Disasters

Plate Tectonics and Physical Hazards

Earthquakes and Their Causes

Tsunami

Volcanoes: Tectonic Environments and Eruptions

Volcanoes: Hazards and Mitigation

Landslides and Other Downslope Movements

Sinkholes, Land Subsidence, and Swelling Soils

Weather, Thunderstorms, And Tornadoes

Climate Change

Streams And Flood Processes

Floods And Human Interactions

Waves,Beaches,And Coastal Erosion

Hurricanes and Nor’easters

Wildfires

Impact of Asteroids and Comets

The Future: Where Do We Go From Here?

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Exam 4: Earthquake Prediction and Mitigation

Freeway overpasses often collapse in a strong earthquake,even though their supports are made of concrete and heavy-duty steel reinforcing bars.Why?

Which of the following is NOT true of many old brick or stone buildings in an earthquake?

Which of the following make(s)the safest house walls during an earthquake?

Why does the North Anatolian Fault of Turkey kill many more people than the San Andreas Fault?

There has been at least one highly successful prediction of a major earthquake that saved a very large number of lives.Where and when was that earthquake? What information led to the prediction?

Why do so many people in certain regions get sick and often die from sickness after an earthquake?

Where is the safest place to be in an earthquake?

Which of the following have NOT been used to suggest that an earthquake may be coming?

In the case of the 2008 earthquake in Wenchuan (Sichuan),China,what could have been done to reduce the number of casualties that resulted from the earthquake?

What is the approximate frequency of shaking,or back-and-forth sway,of a typical 20-story building?

For very long faults such as those in westernmost North America,what historic information can be,and has been,used to infer where the next large earthquake may be?

The best-known successful prediction of a major earthquake was where and when?

The 1989 Loma Prieta Earthquake occurred on which Californian fault?

You are on the 20th floor of your office building when the ground starts shaking-an earthquake is occurring! One of your coworkers bolts for the stairwell to try to flee the building.Do you let them continue down the stairs or stop them? Why?

Some major faults show migration of earthquakes along the fault with time (that is,over the past few hundred or a thousand years).Name one such fault-or indicate exactly where it is.When was the last major earthquake on that fault?

Where in the United States,east of the Rocky Mountains,is there seismic risk comparable to California?

Which of the following would be the safest place to be in an earthquake?

Natural Hazards and Disasters

Plate Tectonics and Physical Hazards

Earthquakes and Their Causes

Tsunami

Volcanoes: Tectonic Environments and Eruptions

Volcanoes: Hazards and Mitigation

Landslides and Other Downslope Movements

Sinkholes, Land Subsidence, and Swelling Soils

Weather, Thunderstorms, And Tornadoes

Climate Change

Streams And Flood Processes

Floods And Human Interactions

Waves,Beaches,And Coastal Erosion

Hurricanes and Nor’easters

Wildfires

Impact of Asteroids and Comets

The Future: Where Do We Go From Here?

Filters