Question 1

Shield volcanoes are the most dangerous volcanoes because they are so big.

Accepted Answer

A) True 
 B)False

Question 2

Heat from volcanic areas can be used to generate electrical power.

Accepted Answer

A) True 
 B)False

Question 3

An eruption of the Long Valley or Yellowstone volcano could have catastrophic consequences for the entire globe. Explain how an eruption might affect most of the United States and how it might affect the planet. Is it possible to prepare for an eruption of this magnitude? How? Why not?

Accepted Answer

If the Long Valley or Yellowstone volcan

Question 4

What is a pyroclastic flow?

Accepted Answer

A)  A fast-moving avalanche of hot rock, ash and glass fragments 
B)  A slurry-like flow of hot ash, mud, and water 
C)  An avalanche of ash and water 
D)  A flow of volcanic rock pieces and molten lava 
E)  A flow of lava and water 
A)  A fast-moving avalanche of hot rock, ash and glass fragments 
B)  A slurry-like flow of hot ash, mud, and water 
C)  An avalanche of ash and water 
D)  A flow of volcanic rock pieces and molten lava 
E)  A flow of lava and water

Question 5

Which of the following natural hazards is NOT caused by volcanoes?

Accepted Answer

A)  Climate change 
B)  Landslides 
C)  Fire 
D)  Tsunami 
E)  Tornadoes 
A)  Climate change 
B)  Landslides 
C)  Fire 
D)  Tsunami 
E)  Tornadoes

Question 6

There have never been any caldera eruptions in the U.S. and probably won't be in the future.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following was NOT a hazard associated with the explosion of Mt. St. Helens?

Accepted Answer

A)  Landslide 
B)  Mudslide 
C)  Ash fall 
D)  Lava flows that built up the north side of the volcano 
A)  Landslide 
B)  Mudslide 
C)  Ash fall 
D)  Lava flows that built up the north side of the volcano

Question 8

Which volcano type is composed mostly of pyroclastic debris?

Accepted Answer

A)  Shield volcano 
B)  Stratovolcano 
C)  Lava dome 
D)  Cinder cone 
E)  Composite cone 
A)  Shield volcano 
B)  Stratovolcano 
C)  Lava dome 
D)  Cinder cone 
E)  Composite cone

Question 9

If a basaltic lava flow were coming toward you, you could probably outrun it.

Accepted Answer

A) True 
 B)False

Question 10

Hilo, Hawaii is near one of the largest volcanoes, Mauna Loa. If you were put in charge of education for the city of Hilo, what hazards would you alert people of about Mauna Loa? In addition, what type of warning systems would you put in place and what would you tell people to do in case of a potential hazard?

Accepted Answer

Potential hazards from Mauna Loa include

Question 11

Which of the following is NOT a benefit of volcanoes to the Earth and its inhabitants?

Accepted Answer

A)  Volcanic soils have minerals that grow certain types of plants. 
B)  Volcanic processes can create valuable deposits of metals and minerals that are useful for building. 
C)  Volcanoes are beautiful and provide areas for recreation. 
D)  Heat from volcanoes can be harnessed to produce energy. 
E)  Many of the world's major oil fields are in volcanic rock. 
A)  Volcanic soils have minerals that grow certain types of plants. 
B)  Volcanic processes can create valuable deposits of metals and minerals that are useful for building. 
C)  Volcanoes are beautiful and provide areas for recreation. 
D)  Heat from volcanoes can be harnessed to produce energy. 
E)  Many of the world's major oil fields are in volcanic rock.

Question 12

The eruption of Mt. St. Helens was an isolated event and didn't have much impact outside the local area.

Accepted Answer

A) True 
 B)False

Question 13

Tephra can come in many different sizes from dust size to large pieces called bombs.

Accepted Answer

A) True 
 B)False

Question 14

In the past 50 years, have there been any deaths attributed to a volcanic eruption?

Accepted Answer

A)  Yes. Thousands of people have died as a result of an eruption. 
B)  Yes. A few unfortunate people have been killed due to volcanic eruptions. 
C)  No. All people were given enough warning and nobody has been killed in recent times. 
D)  No. Recent volcanic eruptions have been in remote areas where there were no deaths. 
E)  No. There have been no volcanic eruptions in recent times. 
A)  Yes. Thousands of people have died as a result of an eruption. 
B)  Yes. A few unfortunate people have been killed due to volcanic eruptions. 
C)  No. All people were given enough warning and nobody has been killed in recent times. 
D)  No. Recent volcanic eruptions have been in remote areas where there were no deaths. 
E)  No. There have been no volcanic eruptions in recent times.

Question 15

What are the main activities involved in forecasting a volcano?

Accepted Answer

The main activities involved in forecast

Question 16

Which of the following is FALSE about caldera eruptions?

Accepted Answer

A)  Caldera eruptions are extremely violent in nature. 
B)  Caldera eruptions are very rare. 
C)  Caldera eruptions erupt enough ash to potentially alter global climate. 
D)  Caldera eruptions result in towering volcanic mountains. 
E)  Caldera eruptions have occurred in the United States in geologic history. 
A)  Caldera eruptions are extremely violent in nature. 
B)  Caldera eruptions are very rare. 
C)  Caldera eruptions erupt enough ash to potentially alter global climate. 
D)  Caldera eruptions result in towering volcanic mountains. 
E)  Caldera eruptions have occurred in the United States in geologic history.

Question 17

Most volcanoes are found near tectonic plate boundaries because that's where the magma is located.

Accepted Answer

A) True 
 B)False

Question 18

Mauna Loa in Hawaii is an example of a shield volcano built over a hotspot.

Accepted Answer

A) True 
 B)False

Question 19

If a volcanic eruption is predicted for your area, what is the best course of action?

Accepted Answer

A)  Board up your windows and doors 
B)  Bring food and water into your basement and stay there 
C)  Build a firebreak around your home 
D)  Build a moat around your home 
E)  Evacuate 
A)  Board up your windows and doors 
B)  Bring food and water into your basement and stay there 
C)  Build a firebreak around your home 
D)  Build a moat around your home 
E)  Evacuate

Question 20

Which is NOT a location where volcanoes are found?

Accepted Answer

A)  Alaska 
B)  Central United States 
C)  Hawaii 
D)  Pacific Northwest United States 
E)  Yellowstone National Park 
A)  Alaska 
B)  Central United States 
C)  Hawaii 
D)  Pacific Northwest United States 
E)  Yellowstone National Park

Shield volcanoes are the most dangerous volcanoes because they are so big.

Heat from volcanic areas can be used to generate electrical power.

An eruption of the Long Valley or Yellowstone volcano could have catastrophic consequences for the entire globe. Explain how an eruption might affect most of the United States and how it might affect the planet. Is it possible to prepare for an eruption of this magnitude? How? Why not?

What is a pyroclastic flow?

Which of the following natural hazards is NOT caused by volcanoes?

There have never been any caldera eruptions in the U.S. and probably won't be in the future.

Which of the following was NOT a hazard associated with the explosion of Mt. St. Helens?

Which volcano type is composed mostly of pyroclastic debris?

If a basaltic lava flow were coming toward you, you could probably outrun it.

Which of the following is NOT a benefit of volcanoes to the Earth and its inhabitants?

The eruption of Mt. St. Helens was an isolated event and didn't have much impact outside the local area.

Tephra can come in many different sizes from dust size to large pieces called bombs.

In the past 50 years, have there been any deaths attributed to a volcanic eruption?

What are the main activities involved in forecasting a volcano?

Which of the following is FALSE about caldera eruptions?

Most volcanoes are found near tectonic plate boundaries because that's where the magma is located.

Mauna Loa in Hawaii is an example of a shield volcano built over a hotspot.

If a volcanic eruption is predicted for your area, what is the best course of action?

Which is NOT a location where volcanoes are found?

Introduction to Natural Hazards

Internal Structure of the Earth and Plate Tectonics

Earthquakes

Tsunamis

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

Exam 5: Volcanoes

Shield volcanoes are the most dangerous volcanoes because they are so big.

Heat from volcanic areas can be used to generate electrical power.

An eruption of the Long Valley or Yellowstone volcano could have catastrophic consequences for the entire globe. Explain how an eruption might affect most of the United States and how it might affect the planet. Is it possible to prepare for an eruption of this magnitude? How? Why not?

What is a pyroclastic flow?

Which of the following natural hazards is NOT caused by volcanoes?

There have never been any caldera eruptions in the U.S. and probably won't be in the future.

Which of the following was NOT a hazard associated with the explosion of Mt. St. Helens?

Which volcano type is composed mostly of pyroclastic debris?

If a basaltic lava flow were coming toward you, you could probably outrun it.

Which of the following is NOT a benefit of volcanoes to the Earth and its inhabitants?

The eruption of Mt. St. Helens was an isolated event and didn't have much impact outside the local area.

Tephra can come in many different sizes from dust size to large pieces called bombs.

In the past 50 years, have there been any deaths attributed to a volcanic eruption?

What are the main activities involved in forecasting a volcano?

Which of the following is FALSE about caldera eruptions?

Most volcanoes are found near tectonic plate boundaries because that's where the magma is located.

Mauna Loa in Hawaii is an example of a shield volcano built over a hotspot.

If a volcanic eruption is predicted for your area, what is the best course of action?

Which is NOT a location where volcanoes are found?

Introduction to Natural Hazards

Internal Structure of the Earth and Plate Tectonics

Earthquakes

Tsunamis

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