Question 1

What is the interpreted origin for magma that forms flood basalts?

Accepted Answer

A) Rapid subduction over tens of millions of years 
B) Rapid seafloor spreading that forms pillow basalts 
C) Fissures 
D) Flood waters from melting glaciers 
E) None of these are correct. 
A) Rapid subduction over tens of millions of years 
B) Rapid seafloor spreading that forms pillow basalts 
C) Fissures 
D) Flood waters from melting glaciers 
E) None of these are correct.

Question 2

On this map of South America and adjacent areas,which site would have the deepest earthquakes?

Accepted Answer

A) 1,the oceanic trench 
B) 2,below the magmatic belt 
C) 3,along a passive margin 
D) 4,in the middle of the Atlantic Ocean 
E) Both 1 and 2 
A) 1,the oceanic trench 
B) 2,below the magmatic belt 
C) 3,along a passive margin 
D) 4,in the middle of the Atlantic Ocean 
E) Both 1 and 2

Question 3

Which of the following would not be a good idea in an area that has a high risk for earthquakes?

Accepted Answer

A) Construct all new buildings using rigid concrete or masonry 
B) Keep enough food and water for 72 hours in an easily carried backpack 
C) Have hospitals install computerized earthquake warning systems that will shut down natural gas systems and turn on back-up generators 
D) Require that new buildings be built to flex easily 
E) All of these would be a good idea. 
A) Construct all new buildings using rigid concrete or masonry 
B) Keep enough food and water for 72 hours in an easily carried backpack 
C) Have hospitals install computerized earthquake warning systems that will shut down natural gas systems and turn on back-up generators 
D) Require that new buildings be built to flex easily 
E) All of these would be a good idea.

Question 4

On this map of southeastern Asia and adjacent areas,which site would have earthquakes along a midocean ridge?

Accepted Answer

A) 1,in the Indian Ocean 
B) 2,in Tibet 
C) 3,near Japan 
D) 4,near the Tonga island arc 
A) 1,in the Indian Ocean 
B) 2,in Tibet 
C) 3,near Japan 
D) 4,near the Tonga island arc

Question 5

Which of the following types of eruptions is among the most deadly of natural disasters?

Accepted Answer

A) caldera-forming 
B) cinder cone-forming 
C) basaltic shield-forming 
D) geysers 
A) caldera-forming 
B) cinder cone-forming 
C) basaltic shield-forming 
D) geysers

Question 6

Which represents the largest igneous eruptions on Earth?

Accepted Answer

A) Flood basalts 
B) Rhyolite ash columns 
C) Curtains of fire 
A) Flood basalts 
B) Rhyolite ash columns 
C) Curtains of fire

Question 7

Which of the following cannot cause a tsunami?

Accepted Answer

A) Faulting 
B) An underwater landslide 
C) A volcanic eruption 
D) A strike-slip fault on land 
E) All of these can cause a tsunami. 
A) Faulting 
B) An underwater landslide 
C) A volcanic eruption 
D) A strike-slip fault on land 
E) All of these can cause a tsunami.

Question 8

Which of the following are true for horsts and grabens?

Accepted Answer

A) A horst is a block that is uplifted relative to blocks on either side. 
B) A graben is a block that is dropped down relative to blocks on either side. 
C) They may form associated with multiple normal faults. 
D) These are all true of horsts and grabens. 
A) A horst is a block that is uplifted relative to blocks on either side. 
B) A graben is a block that is dropped down relative to blocks on either side. 
C) They may form associated with multiple normal faults. 
D) These are all true of horsts and grabens.

Question 9

What is a main hazard of this type of volcano?

Accepted Answer

A) Hot fragments thrown a short distance from the volcano 
B) Burning,building collapse,and suffocation from widely distributed pyroclastic material 
C) Destruction by viscous lava flows that can flow far from the volcano 
D) Volcanic mudflows and landslides 
E) Relatively small pyroclastic eruptions caused by localized explosions or collapse 
A) Hot fragments thrown a short distance from the volcano 
B) Burning,building collapse,and suffocation from widely distributed pyroclastic material 
C) Destruction by viscous lava flows that can flow far from the volcano 
D) Volcanic mudflows and landslides 
E) Relatively small pyroclastic eruptions caused by localized explosions or collapse

Question 10

Which of the following volcanoes is generally the largest?

Accepted Answer

A) Cinder cone 
B) Dome 
C) Composite volcano 
D) Shield volcano 
A) Cinder cone 
B) Dome 
C) Composite volcano 
D) Shield volcano

Question 11

Which of the following are erupted by volcanoes?

Accepted Answer

A) Lava 
B) Ash 
C) Pumice 
D) All of these are correct. 
A) Lava 
B) Ash 
C) Pumice 
D) All of these are correct.

Question 12

Which of the following is not a typical hazard posed to human-made structures by lava flows?

Accepted Answer

A) Burning 
B) High winds 
C) Crushing 
D) Burying 
A) Burning 
B) High winds 
C) Crushing 
D) Burying

Question 13

The type of fault shown in this figure is a

Accepted Answer

A) normal fault. 
B) reverse fault. 
C) strike-slip fault. 
D) thrust fault. 
A) normal fault. 
B) reverse fault. 
C) strike-slip fault. 
D) thrust fault.

Question 14

Volcanic domes grow from lava being injected into the interior of mounds of cooled lava and from the breaking out and moving down the flanks of

Accepted Answer

A) viscous lava flows. 
B) runny lava flows. 
C) basaltic lava flows. 
A) viscous lava flows. 
B) runny lava flows. 
C) basaltic lava flows.

Question 15

The igneous feature shown in this figure is a

Accepted Answer

A) dike. 
B) sill. 
C) volcanic neck. 
D) laccolith. 
A) dike. 
B) sill. 
C) volcanic neck. 
D) laccolith.

Question 16

How would the force and stress on the wooden pillar in this figure change if the stone weight was the same size but the wooden pillar was narrower?

Accepted Answer

A) The amount of force and amount of stress would be unchanged. 
B) The amount of force and the amount of stress would both increase. 
C) The amount of force and the amount of stress would both decrease. 
D) The force would remain the same,but the amount of stress would increase. 
E) The force would remain the same,but the amount of stress would decrease. 
A) The amount of force and amount of stress would be unchanged. 
B) The amount of force and the amount of stress would both increase. 
C) The amount of force and the amount of stress would both decrease. 
D) The force would remain the same,but the amount of stress would increase. 
E) The force would remain the same,but the amount of stress would decrease.

Question 17

Which of the following are dangerous aspects of composite volcanoes?

Accepted Answer

A) Pyroclastic flows 
B) Landslides and mudflows 
C) An eruption column 
D) All of these are correct. 
A) Pyroclastic flows 
B) Landslides and mudflows 
C) An eruption column 
D) All of these are correct.

Question 18

Most large earthquakes on subduction zones occur because of

Accepted Answer

A) warming of cold oceanic crust. 
B) melting of cold oceanic crust. 
C) melting of the mantle. 
D) energy released in erupting volcanoes. 
E) faulting along the plate boundary. 
A) warming of cold oceanic crust. 
B) melting of cold oceanic crust. 
C) melting of the mantle. 
D) energy released in erupting volcanoes. 
E) faulting along the plate boundary.

Question 19

What are some factors that could allow flood basalts to have high-volume eruptions?

Accepted Answer

A) A large amount of magma is generated in the mantle. 
B) Magma rises to the surface along thick dikes. 
C) The magma is hot and has a low viscosity. 
D) All of these are correct. 
A) A large amount of magma is generated in the mantle. 
B) Magma rises to the surface along thick dikes. 
C) The magma is hot and has a low viscosity. 
D) All of these are correct.

Question 20

Which of the following are characteristics typical of volcanic domes?

Accepted Answer

A) Steep-sided 
B) Rubble-covered surface 
C) Often occur in clusters 
D) All of these are correct. 
A) Steep-sided 
B) Rubble-covered surface 
C) Often occur in clusters 
D) All of these are correct.

What is the interpreted origin for magma that forms flood basalts?

On this map of South America and adjacent areas,which site would have the deepest earthquakes?

Which of the following would not be a good idea in an area that has a high risk for earthquakes?

On this map of southeastern Asia and adjacent areas,which site would have earthquakes along a midocean ridge?

Which of the following types of eruptions is among the most deadly of natural disasters?

Which represents the largest igneous eruptions on Earth?

Which of the following cannot cause a tsunami?

Which of the following are true for horsts and grabens?

What is a main hazard of this type of volcano?

Which of the following volcanoes is generally the largest?

Which of the following are erupted by volcanoes?

Which of the following is not a typical hazard posed to human-made structures by lava flows?

The type of fault shown in this figure is a

Volcanic domes grow from lava being injected into the interior of mounds of cooled lava and from the breaking out and moving down the flanks of

The igneous feature shown in this figure is a

How would the force and stress on the wooden pillar in this figure change if the stone weight was the same size but the wooden pillar was narrower?

Which of the following are dangerous aspects of composite volcanoes?

Most large earthquakes on subduction zones occur because of

What are some factors that could allow flood basalts to have high-volume eruptions?

Which of the following are characteristics typical of volcanic domes?

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Exam 11: Volcanoes,deformation,and Earthquakes

What is the interpreted origin for magma that forms flood basalts?

On this map of South America and adjacent areas,which site would have the deepest earthquakes?

Which of the following would not be a good idea in an area that has a high risk for earthquakes?

On this map of southeastern Asia and adjacent areas,which site would have earthquakes along a midocean ridge?

Which of the following types of eruptions is among the most deadly of natural disasters?

Which represents the largest igneous eruptions on Earth?

Which of the following cannot cause a tsunami?

Which of the following are true for horsts and grabens?

What is a main hazard of this type of volcano?

Which of the following volcanoes is generally the largest?

Which of the following are erupted by volcanoes?

Which of the following is not a typical hazard posed to human-made structures by lava flows?

The type of fault shown in this figure is a

Volcanic domes grow from lava being injected into the interior of mounds of cooled lava and from the breaking out and moving down the flanks of

The igneous feature shown in this figure is a

How would the force and stress on the wooden pillar in this figure change if the stone weight was the same size but the wooden pillar was narrower?

Which of the following are dangerous aspects of composite volcanoes?

Most large earthquakes on subduction zones occur because of

What are some factors that could allow flood basalts to have high-volume eruptions?

Which of the following are characteristics typical of volcanic domes?

The Nature of Physical Geography

Energy and Matter in the Atmosphere

Atmospheric Motion

Atmospheric Moisture

Weather Systems and Severe Weather

Atmosphere-Ocean-Cryosphere Interactions

Climates Around the World

Water Resources

Understanding Landscapes

Plate Tectonics and Regional Features

Weathering and Mass Wasting

Streams and Flooding

Glaciers and Glacial Landforms

Coasts and Changing Sea Levels

Soils

Ecosystems and Biogeochemical Cycles

Biomes

Filters