Question 1

When are tsunami warning systems ineffective?

Accepted Answer

When tsunami are generated by

Question 2

What is the most dangerous location in a tsunami hazard?

Accepted Answer

A)  a straight stretch of coast directly exposed to the open sea 
B)  a rocky point protruding into the ocean in deep water 
C)  a bay with a nice sandy beach at its end 
D)  a small boat in the deep ocean 
E)  a large boat 300 kilometers offshore 
A)  a straight stretch of coast directly exposed to the open sea 
B)  a rocky point protruding into the ocean in deep water 
C)  a bay with a nice sandy beach at its end 
D)  a small boat in the deep ocean 
E)  a large boat 300 kilometers offshore

Question 3

Which is the more dangerous location in a tsunami hazard: a straight stretch of open coast,a rocky point,or a bay? Why?

Accepted Answer

A bay,because it focuses the w

Question 4

In the open sea,tsunami reach an average wave height of about:

Accepted Answer

A)  1 or 2 meters. 
B)  10 meters. 
C)  100 meters. 
D)  1,000 meters. 
E)  10,000 meters. 
A)  1 or 2 meters. 
B)  10 meters. 
C)  100 meters. 
D)  1,000 meters. 
E)  10,000 meters.

Question 5

Which of the following submarine faults CANNOT cause tsunami waves?

Accepted Answer

A)  strike-slip faults 
B)  normal faults 
C)  subduction-zone faults 
D)  thrust faults 
E)  breakaway faults of major landslides 
A)  strike-slip faults 
B)  normal faults 
C)  subduction-zone faults 
D)  thrust faults 
E)  breakaway faults of major landslides

Question 6

What are some measures that can be taken to minimize damages from tsunami waves?

Accepted Answer

Streets and buildings of coastal develop

Question 7

What are the approximate wavelengths of tsunami waves?

Accepted Answer

A)  36 meters 
B)  360 meters 
C)  3.6 kilometer 
D)  36 kilometers 
E)  360 kilometers 
A)  36 meters 
B)  360 meters 
C)  3.6 kilometer 
D)  36 kilometers 
E)  360 kilometers

Question 8

About how high are the largest earthquake-caused tsunami waves in the open ocean?

Accepted Answer

A)  about 15 meters high 
B)  about 1 meter high 
C)  about 50 meters high 
D)  about 300 meters high 
E)  about 1 kilometer high 
A)  about 15 meters high 
B)  about 1 meter high 
C)  about 50 meters high 
D)  about 300 meters high 
E)  about 1 kilometer high

Question 9

What are the approximate times between tsunami wave crests?

Accepted Answer

A)  30 seconds to 1 minute 
B)  1 to 3 minutes 
C)  10 to 35 minutes 
D)  2 to 3 hours 
E)  10 to 12 hours 
A)  30 seconds to 1 minute 
B)  1 to 3 minutes 
C)  10 to 35 minutes 
D)  2 to 3 hours 
E)  10 to 12 hours

Question 10

What was the magnitude (give the number)of that earthquake?

Accepted Answer

The answer of What was the magnitude (give the number)of...

Question 11

Where,specifically,was that initial event?

Accepted Answer

The answer of Where,specifically,was that initial event?...

Question 12

Which wave of a major tsunami is most likely to be the highest?

Accepted Answer

A)  first 
B)  third or fourth 
C)  second 
D)  tenth 
E)  twentieth 
A)  first 
B)  third or fourth 
C)  second 
D)  tenth 
E)  twentieth

Question 13

How dangerous are tsunami in the open ocean,and why?

Accepted Answer

They are not dangerous at all.

Question 14

What are the approximate tsunami-wave velocities over the continental shelf or near shore?

Accepted Answer

A)  about 1 km/hour 
B)  about 10 km/hour 
C)  about 150-300 km/hour 
D)  about 700-800 km/hour 
E)  about 2,000 km/hour 
A)  about 1 km/hour 
B)  about 10 km/hour 
C)  about 150-300 km/hour 
D)  about 700-800 km/hour 
E)  about 2,000 km/hour

Question 15

About how high are the largest earthquake-caused tsunami waves in bays?

Accepted Answer

A)  about 3 meters 
B)  about 30 meters 
C)  about 300 meters 
D)  about 3000 meters 
E)  about 30,000 meters 
A)  about 3 meters 
B)  about 30 meters 
C)  about 300 meters 
D)  about 3000 meters 
E)  about 30,000 meters

Question 16

What was the specific kind of that initial event (the variety of the general event noted in part a)and the exact nature of it?

Accepted Answer

Earthquake on a subd

Question 17

Discuss options to mitigate the effects of a tsunami on an area.

Accepted Answer

Tsunami hazards can be mitigated by land

Question 18

Why do ships in the open ocean NOT notice passage of a tsunami wave?

Accepted Answer

A)  The wave goes by so fast that it is gone before anyone notices. 
B)  The long time between wave crests dictates that the wave flanks have almost no slope. 
C)  Ships are carried on the crest of the wave, so they don't feel any up or down motion. 
D)  Although the wave crests are several hundred meters high, the time between them is several hours, so no one notices. 
E)  The wave hits the ship so hard and fast that no one survives to tell about it. 
A)  The wave goes by so fast that it is gone before anyone notices. 
B)  The long time between wave crests dictates that the wave flanks have almost no slope. 
C)  Ships are carried on the crest of the wave, so they don't feel any up or down motion. 
D)  Although the wave crests are several hundred meters high, the time between them is several hours, so no one notices. 
E)  The wave hits the ship so hard and fast that no one survives to tell about it.

Question 19

What type of event has repeatedly generated very high tsunami waves in coastal fjords of southeastern Alaska?

Accepted Answer

A)  a large rockfall into the fjord 
B)  a giant subduction-zone earthquake 
C)  a massive stratovolcano eruption 
D)  an undersea landslide caused by liquefaction of beach sediments 
E)  the toe of a fast-moving glacier suddenly surging forward 
A)  a large rockfall into the fjord 
B)  a giant subduction-zone earthquake 
C)  a massive stratovolcano eruption 
D)  an undersea landslide caused by liquefaction of beach sediments 
E)  the toe of a fast-moving glacier suddenly surging forward

Question 20

About how high are the largest earthquake-caused tsunami waves in bays?

Accepted Answer

The answer of About how high are the largest earthquake-caused...

When are tsunami warning systems ineffective?

What is the most dangerous location in a tsunami hazard?

Which is the more dangerous location in a tsunami hazard: a straight stretch of open coast,a rocky point,or a bay? Why?

In the open sea,tsunami reach an average wave height of about:

Which of the following submarine faults CANNOT cause tsunami waves?

What are some measures that can be taken to minimize damages from tsunami waves?

What are the approximate wavelengths of tsunami waves?

About how high are the largest earthquake-caused tsunami waves in the open ocean?

What are the approximate times between tsunami wave crests?

What was the magnitude (give the number)of that earthquake?

Where,specifically,was that initial event?

Which wave of a major tsunami is most likely to be the highest?

How dangerous are tsunami in the open ocean,and why?

What are the approximate tsunami-wave velocities over the continental shelf or near shore?

About how high are the largest earthquake-caused tsunami waves in bays?

What was the specific kind of that initial event (the variety of the general event noted in part a)and the exact nature of it?

Discuss options to mitigate the effects of a tsunami on an area.

Why do ships in the open ocean NOT notice passage of a tsunami wave?

What type of event has repeatedly generated very high tsunami waves in coastal fjords of southeastern Alaska?

About how high are the largest earthquake-caused tsunami waves in bays?

Natural Hazards and Disasters

Plate Tectonics and Physical Hazards

Earthquakes and Their Causes

Earthquake Prediction and Mitigation

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

Exam 5: Tsunami

When are tsunami warning systems ineffective?

What is the most dangerous location in a tsunami hazard?

Which is the more dangerous location in a tsunami hazard: a straight stretch of open coast,a rocky point,or a bay? Why?

In the open sea,tsunami reach an average wave height of about:

Which of the following submarine faults CANNOT cause tsunami waves?

What are some measures that can be taken to minimize damages from tsunami waves?

What are the approximate wavelengths of tsunami waves?

About how high are the largest earthquake-caused tsunami waves in the open ocean?

What are the approximate times between tsunami wave crests?

What was the magnitude (give the number)of that earthquake?

Where,specifically,was that initial event?

Which wave of a major tsunami is most likely to be the highest?

How dangerous are tsunami in the open ocean,and why?

What are the approximate tsunami-wave velocities over the continental shelf or near shore?

About how high are the largest earthquake-caused tsunami waves in bays?

What was the specific kind of that initial event (the variety of the general event noted in part a)and the exact nature of it?

Discuss options to mitigate the effects of a tsunami on an area.

Why do ships in the open ocean NOT notice passage of a tsunami wave?

What type of event has repeatedly generated very high tsunami waves in coastal fjords of southeastern Alaska?

About how high are the largest earthquake-caused tsunami waves in bays?

Natural Hazards and Disasters

Plate Tectonics and Physical Hazards

Earthquakes and Their Causes

Earthquake Prediction and Mitigation

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