Question 1

Match the following options to its correct definition.
-Stratovolcano

Accepted Answer

A)  Crater Lake 
B)  Columbia River Plateau 
C)  Island of Hawaii 
D)  Paracutin 
E)  Mount Fuji 
A)  Crater Lake 
B)  Columbia River Plateau 
C)  Island of Hawaii 
D)  Paracutin 
E)  Mount Fuji E

Question 2

The Unzen volcano (VEI of 2) in Japan in 1792 killed more people than Mt. St. Helens (VEI of 5) in 1980. Why is this?

Accepted Answer

A)  The Unzen volcano was a larger eruption than Mt. St. Helens. 
B)  The Unzen volcano lasted longer than Mt. St. Helens. 
C)  The Unzen volcano emitted more gases and dust into the atmosphere than Mt. St. Helens. 
D)  The Unzen volcano triggered a tsunami and lahar. 
E)  The Unzen volcano was a more explosive eruption than Mt. St. Helens. 
A)  The Unzen volcano was a larger eruption than Mt. St. Helens. 
B)  The Unzen volcano lasted longer than Mt. St. Helens. 
C)  The Unzen volcano emitted more gases and dust into the atmosphere than Mt. St. Helens. 
D)  The Unzen volcano triggered a tsunami and lahar. 
E)  The Unzen volcano was a more explosive eruption than Mt. St. Helens. D

Question 3

Volcanoes associated with the Cascadia Subduction Zone are:

Accepted Answer

A)  located near a divergent plate boundary. 
B)  historically have erupted with a low VEI. 
C)  are not considered a hazard in the U.S.. 
D)  called hot spot volcanoes. 
E)  located in Oregon, Washington and northern California. 
A)  located near a divergent plate boundary. 
B)  historically have erupted with a low VEI. 
C)  are not considered a hazard in the U.S.. 
D)  called hot spot volcanoes. 
E)  located in Oregon, Washington and northern California. E

Question 4

Match the following options to its correct definition.
-Cinder cone

Accepted Answer

A)  Crater Lake 
B)  Columbia River Plateau 
C)  Island of Hawaii 
D)  Paracutin 
E)  Mount Fuji 
A)  Crater Lake 
B)  Columbia River Plateau 
C)  Island of Hawaii 
D)  Paracutin 
E)  Mount Fuji

Question 5

Mafic magmas usually contain high amount of silicon and low amounts of iron.

Accepted Answer

A) True 
 B)False

Question 6

Paricutin in Mexico is an example of a volcanic lava dome.

Accepted Answer

A) True 
 B)False

Question 7

What are some volcanic hazards that could face a geologist working on a volcano?

Accepted Answer

A)  suffocation by gases emitted by the volcano 
B)  earthquakes caused by moving magma 
C)  landslides triggered by the volcano 
D)  getting burned by lava 
E)  all of the above 
A)  suffocation by gases emitted by the volcano 
B)  earthquakes caused by moving magma 
C)  landslides triggered by the volcano 
D)  getting burned by lava 
E)  all of the above

Question 8

Volcanoes on planets and moons other than Earth are typically larger, often by significant factors. What factors do you think control the type, size, explosivity of volcanoes on other planets?

Accepted Answer

The type, size, and explosivity of volca

Question 9

Cinder cone activity usually lasts millions of years.

Accepted Answer

A) True 
 B)False

Question 10

At a volcano alert level of orange, the volcano:

Accepted Answer

A)  is at a non-eruptive state. 
B)  is showing decreased volcanic activity but needs to be monitored for possible renewed increase. 
C)  the volcano is dormant. 
D)  is exhibiting signs of escalated unrest with increasing potential of eruption. 
E)  is ready to erupt soon and will likely emit significant amounts of ash. 
A)  is at a non-eruptive state. 
B)  is showing decreased volcanic activity but needs to be monitored for possible renewed increase. 
C)  the volcano is dormant. 
D)  is exhibiting signs of escalated unrest with increasing potential of eruption. 
E)  is ready to erupt soon and will likely emit significant amounts of ash.

Question 11

What is a lahar?

Accepted Answer

A)  a vent where gases escape the volcano 
B)  a basaltic dome that erupts after the main volcanic explosions end 
C)  a landslide triggered by a volcano 
D)  a type of magma that contains high amounts of silica 
E)  an example of pyroclastic material 
A)  a vent where gases escape the volcano 
B)  a basaltic dome that erupts after the main volcanic explosions end 
C)  a landslide triggered by a volcano 
D)  a type of magma that contains high amounts of silica 
E)  an example of pyroclastic material

Question 12

What is VEI?

Accepted Answer

A)  Volcanic Entity Identity 
B)  Volcanic Explosivity Index 
C)  Volcanism Explosive Integer 
D)  Volcanic Expiration Integer 
E)  Volcanism Ending It 
A)  Volcanic Entity Identity 
B)  Volcanic Explosivity Index 
C)  Volcanism Explosive Integer 
D)  Volcanic Expiration Integer 
E)  Volcanism Ending It

Question 13

Lava flows are the main hazard of:

Accepted Answer

A)  stratovolcanoes. 
B)  calderas. 
C)  cinder cones. 
D)  shield volcanoes. 
E)  subduction zones. 
A)  stratovolcanoes. 
B)  calderas. 
C)  cinder cones. 
D)  shield volcanoes. 
E)  subduction zones.

Question 14

Mafic volcanoes have characteristics of all of the following except:

Accepted Answer

A)  they are typically found at hot spots. 
B)  their magma has lower amounts of silica compared to felsic magmas. 
C)  they do not erupt as violently as felsic volcanoes. 
D)  they are typically found at subduction zones. 
E)  their magmas do not contain as much gas as felsic magmas. 
A)  they are typically found at hot spots. 
B)  their magma has lower amounts of silica compared to felsic magmas. 
C)  they do not erupt as violently as felsic volcanoes. 
D)  they are typically found at subduction zones. 
E)  their magmas do not contain as much gas as felsic magmas.

Question 15

Hawaii is an example of a(n):

Accepted Answer

A)  hot spot. 
B)  ocean-ocean transform plate boundary. 
C)  continent-continent divergent plate boundary. 
D)  ocean-continent convergent plate boundary. 
E)  ocean-ocean divergent plate boundary. 
A)  hot spot. 
B)  ocean-ocean transform plate boundary. 
C)  continent-continent divergent plate boundary. 
D)  ocean-continent convergent plate boundary. 
E)  ocean-ocean divergent plate boundary.

Question 16

What influences how hazardous a volcano will be? What is the Volcanic Explosivity Index?

Accepted Answer

Several factors can influence how hazard

Question 17

Explosive volcanoes are generally mafic in composition.

Accepted Answer

A) True 
 B)False

Question 18

What is pahoehoe?

Accepted Answer

A)  gasses that come from volcanoes 
B)  blocky lava 
C)  a made up, silly word 
D)  smooth, ropy lava 
E)  ash that comes out of volcanoes 
A)  gasses that come from volcanoes 
B)  blocky lava 
C)  a made up, silly word 
D)  smooth, ropy lava 
E)  ash that comes out of volcanoes

Question 19

Match the following options to its correct definition.
-Shield volcano

Accepted Answer

A)  Crater Lake 
B)  Columbia River Plateau 
C)  Island of Hawaii 
D)  Paracutin 
E)  Mount Fuji 
A)  Crater Lake 
B)  Columbia River Plateau 
C)  Island of Hawaii 
D)  Paracutin 
E)  Mount Fuji

Question 20

Where does most of the Earth's volcanism occur?

Accepted Answer

A)  at hotspots. 
B)  at subduction zones. 
C)  at divergent plate boundaries. 
D)  at ocean-continent convergent plate boundaries. 
E)  in Los Angeles. 
A)  at hotspots. 
B)  at subduction zones. 
C)  at divergent plate boundaries. 
D)  at ocean-continent convergent plate boundaries. 
E)  in Los Angeles.

Match the following options to its correct definition. -Stratovolcano

The Unzen volcano (VEI of 2) in Japan in 1792 killed more people than Mt. St. Helens (VEI of 5) in 1980. Why is this?

Volcanoes associated with the Cascadia Subduction Zone are:

Match the following options to its correct definition. -Cinder cone

Mafic magmas usually contain high amount of silicon and low amounts of iron.

Paricutin in Mexico is an example of a volcanic lava dome.

What are some volcanic hazards that could face a geologist working on a volcano?

Volcanoes on planets and moons other than Earth are typically larger, often by significant factors. What factors do you think control the type, size, explosivity of volcanoes on other planets?

Cinder cone activity usually lasts millions of years.

At a volcano alert level of orange, the volcano:

What is a lahar?

What is VEI?

Lava flows are the main hazard of:

Mafic volcanoes have characteristics of all of the following except:

Hawaii is an example of a(n):

What influences how hazardous a volcano will be? What is the Volcanic Explosivity Index?

Explosive volcanoes are generally mafic in composition.

What is pahoehoe?

Match the following options to its correct definition. -Shield volcano

Where does most of the Earth's volcanism occur?

What Does Living With Earth Mean

Earth Systems

The Dynamic Geosphere and Plate Tectonics

Geosphere Materials

Earthquakes

Rivers and Flooding

Unstable Land

Changing Coasts

Water Resources

Soil Resources

Mineral Resources

Energy Resources

Atmosphere Resources and Climate Change

Managing Peoples Environmental Impact

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Exam 6: Volcanoes

Match the following options to its correct definition. -Stratovolcano

The Unzen volcano (VEI of 2) in Japan in 1792 killed more people than Mt. St. Helens (VEI of 5) in 1980. Why is this?

Volcanoes associated with the Cascadia Subduction Zone are:

Match the following options to its correct definition. -Cinder cone

Mafic magmas usually contain high amount of silicon and low amounts of iron.

Paricutin in Mexico is an example of a volcanic lava dome.

What are some volcanic hazards that could face a geologist working on a volcano?

Volcanoes on planets and moons other than Earth are typically larger, often by significant factors. What factors do you think control the type, size, explosivity of volcanoes on other planets?

Cinder cone activity usually lasts millions of years.

At a volcano alert level of orange, the volcano:

What is a lahar?

What is VEI?

Lava flows are the main hazard of:

Mafic volcanoes have characteristics of all of the following except:

Hawaii is an example of a(n):

What influences how hazardous a volcano will be? What is the Volcanic Explosivity Index?

Explosive volcanoes are generally mafic in composition.

What is pahoehoe?

Match the following options to its correct definition. -Shield volcano

Where does most of the Earth's volcanism occur?

What Does Living With Earth Mean

Earth Systems

The Dynamic Geosphere and Plate Tectonics

Geosphere Materials

Earthquakes

Rivers and Flooding

Unstable Land

Changing Coasts

Water Resources

Soil Resources

Mineral Resources

Energy Resources

Atmosphere Resources and Climate Change

Managing Peoples Environmental Impact

Filters