Question 1

An accretionary wedge is a typical feature found along subduction zones.

Accepted Answer

A) True 
 B)False  True

Question 2

Which one of the following statements about the crust is NOT true?

Accepted Answer

A) It is the thinnest of the major subdivisions. 
B) It is thickest where prominent mountains exist. 
C) Continental rocks are compositionally different than oceanic rocks. 
D) Oceanic crust has an average composition of granite. 
A) It is the thinnest of the major subdivisions. 
B) It is thickest where prominent mountains exist. 
C) Continental rocks are compositionally different than oceanic rocks. 
D) Oceanic crust has an average composition of granite. D

Question 3

The distance between a seismological recording station and the earthquake source is determined from the ________.

Accepted Answer

A) earthquake magnitude 
B) intensity of the earthquake 
C) length of the seismic record 
D) arrival times of P and S waves 
A) earthquake magnitude 
B) intensity of the earthquake 
C) length of the seismic record 
D) arrival times of P and S waves D

Question 4

Match the items in the first column with the correct descriptions in the second column.
A)permanent changes in rock shape due to stresses that exceed the strength of the rock
B)long, low cliffs produced at Earth's surface where a fault's vertical offset is exposed
C)the spot along a fault where movement takes place during an earthquake
D)a fold that is highest in the middle
E)the spot on Earth's surface directly above a fault where movement takes place during an earthquake
F)a fracture along which blocks of rock move relative to each other
G)a fold that is lowest in the middle
H)a broad upwarped feature that is roughly circular or oval-shaped when viewed from above
-1)deformation
2)fault scarp
3)fault
4)hypocenter
5)epicenter
6)anticline
7)syncline
8)dome

Accepted Answer

1)A 2)B 3)

Question 5

With regard to earthquakes, what distinguishes intensity from magnitude?

Accepted Answer

A) Intensity is a measure of how much energy is released by the earthquake, but magnitude is a rough measure of local shaking. 
B) Magnitude is a measure of how much energy is released by the earthquake, but intensity is a rough measure of local shaking. 
C) Intensity and magnitude both depend on people reporting their experiences. 
D) Magnitude cannot be measured from a distance using seismograms. 
A) Intensity is a measure of how much energy is released by the earthquake, but magnitude is a rough measure of local shaking. 
B) Magnitude is a measure of how much energy is released by the earthquake, but intensity is a rough measure of local shaking. 
C) Intensity and magnitude both depend on people reporting their experiences. 
D) Magnitude cannot be measured from a distance using seismograms.

Question 6

________ are accreted crustal fragments that have distinct geologic histories from that of the adjoining crust.

Accepted Answer

The answer of ________ are accreted crustal fragments that have...

Question 7

The iron and nickel that are thought to dominate the core originally came from ________, the "building blocks" that originally formed Earth.

Accepted Answer

The answer of The iron and nickel that are thought...

Question 8

The amount of destruction caused by earthquake vibrations is affected by the ________.

Accepted Answer

A) design of structures like roads and buildings 
B) intensity and duration of the seismic vibrations 
C) nature of the surface material 
D) all of the above 
A) design of structures like roads and buildings 
B) intensity and duration of the seismic vibrations 
C) nature of the surface material 
D) all of the above

Question 9

Earth's divergent oceanic ridge system produces a belt of earthquake activity where seafloor spreading generates many frequent quakes of small magnitude.

Accepted Answer

A) True 
 B)False

Question 10

The ________ is the site of initial rupturing associated with an earthquake.

Accepted Answer

hypocenter

Question 11

Which one of the following is true of most tsunamis?

Accepted Answer

A) They are faster than seismic surface waves. 
B) Their wave heights decrease and wavelengths increase as they move into shallower water. 
C) They are usually started by sudden movement on a megathrust fault, and have wavelengths that are many kilometers long and wave heights of less than a meter. 
D) They only occur in the Pacific Ocean basin. 
A) They are faster than seismic surface waves. 
B) Their wave heights decrease and wavelengths increase as they move into shallower water. 
C) They are usually started by sudden movement on a megathrust fault, and have wavelengths that are many kilometers long and wave heights of less than a meter. 
D) They only occur in the Pacific Ocean basin.

Question 12

Which of the following statements about the mantle is TRUE?

Accepted Answer

A) The lithospheric mantle moves independently of the overlying plates. 
B) The asthenosphere and lower mantle are made of roughly the same composition material, only it behaves differently in the asthenosphere. 
C) The lower mantle is significantly less dense than the upper mantle. 
D) The upper mantle is liquid, but the lower mantle is solid. 
A) The lithospheric mantle moves independently of the overlying plates. 
B) The asthenosphere and lower mantle are made of roughly the same composition material, only it behaves differently in the asthenosphere. 
C) The lower mantle is significantly less dense than the upper mantle. 
D) The upper mantle is liquid, but the lower mantle is solid.

Question 13

Match the earthquake hazard in the first column with the correct location in the second column.
A)regions with unstable slopes
B)coastal regions
C)cities with vulnerable water lines
D)areas of loose sediment
-9)tsunami
10)liquefaction 
11)landslides 
12)fires

Accepted Answer

The answer of Match the earthquake hazard in the first...

Question 14

Where is the epicenter of an earthquake?

Accepted Answer

A) where the rock on either side of a fault moves 
B) on Earth's surface, directly above the hypocenter 
C) where the fault meets Earth's surface 
D) wherever we find the most damage from the earthquake 
A) where the rock on either side of a fault moves 
B) on Earth's surface, directly above the hypocenter 
C) where the fault meets Earth's surface 
D) wherever we find the most damage from the earthquake

Question 15

Match between columns
                        Premises:  regions with unstable slopes
 coastal regions
 cities with vulnerable water lines
 areas of loose sediment

Accepted Answer

The Answer of tsunami and liquefaction and landslides and fires is...

Question 16

Subduction leads to orogenesis.

Accepted Answer

A) True 
 B)False

Question 17

When an earthquake occurs, energy radiates in all directions from its source region, called the ________, the spot in Earth's crust where a fault slips.

Accepted Answer

A) hypocenter 
B) epicenter 
C) scarp 
D) seismic zone 
A) hypocenter 
B) epicenter 
C) scarp 
D) seismic zone

Question 18

A normal fault has little or no vertical movements of the two blocks.

Accepted Answer

A) True 
 B)False

Question 19

Approximately how much more energy is released in an earthquake of Richter magnitude 6.5 than in a magnitude 5.5 earthquake?

Accepted Answer

A) 3)2 
B) 32 
C) 320 
D) 3,200 
A) 3)2 
B) 32 
C) 320 
D) 3,200

Question 20

Earth's core is interpreted to consist mainly of ________.

Accepted Answer

A) granite 
B) basalt 
C) iron and nickel 
D) mostly solid rock with a small amount of melt due to the temperature-pressure regime 
A) granite 
B) basalt 
C) iron and nickel 
D) mostly solid rock with a small amount of melt due to the temperature-pressure regime

An accretionary wedge is a typical feature found along subduction zones.

Which one of the following statements about the crust is NOT true?

The distance between a seismological recording station and the earthquake source is determined from the ________.

With regard to earthquakes, what distinguishes intensity from magnitude?

________ are accreted crustal fragments that have distinct geologic histories from that of the adjoining crust.

The iron and nickel that are thought to dominate the core originally came from ________, the "building blocks" that originally formed Earth.

The amount of destruction caused by earthquake vibrations is affected by the ________.

Earth's divergent oceanic ridge system produces a belt of earthquake activity where seafloor spreading generates many frequent quakes of small magnitude.

The ________ is the site of initial rupturing associated with an earthquake.

Which one of the following is true of most tsunamis?

Which of the following statements about the mantle is TRUE?

Match the earthquake hazard in the first column with the correct location in the second column. A)regions with unstable slopes B)coastal regions C)cities with vulnerable water lines D)areas of loose sediment -9)tsunami 10)liquefaction 11)landslides 12)fires

Where is the epicenter of an earthquake?

Subduction leads to orogenesis.

When an earthquake occurs, energy radiates in all directions from its source region, called the ________, the spot in Earth's crust where a fault slips.

A normal fault has little or no vertical movements of the two blocks.

Approximately how much more energy is released in an earthquake of Richter magnitude 6.5 than in a magnitude 5.5 earthquake?

Earth's core is interpreted to consist mainly of ________.

Matter and Minerals

Rocks: Materials of the Solid Earth

Landscapes Fashioned by Water

Glacial and Arid Landscapes

Plate Tectonics: A Scientific Revolution Unfolds

Volcanoes and Other Igneous Activity

Geologic Time

Oceans: The Last Frontier

The Restless Ocean

Heating the Atmosphere

Moisture, Clouds, and Precipitation

The Atmosphere in Motion

Weather Patterns and Severe Weather

The Nature of the Solar System

Beyond Our Solar System

Filters

Exam 6: Restless Earth: Earthquakes, Geologic Structures, and Mountain Building

An accretionary wedge is a typical feature found along subduction zones.

Which one of the following statements about the crust is NOT true?

The distance between a seismological recording station and the earthquake source is determined from the ________.

With regard to earthquakes, what distinguishes intensity from magnitude?

________ are accreted crustal fragments that have distinct geologic histories from that of the adjoining crust.

The iron and nickel that are thought to dominate the core originally came from ________, the "building blocks" that originally formed Earth.

The amount of destruction caused by earthquake vibrations is affected by the ________.

Earth's divergent oceanic ridge system produces a belt of earthquake activity where seafloor spreading generates many frequent quakes of small magnitude.

The ________ is the site of initial rupturing associated with an earthquake.

Which one of the following is true of most tsunamis?

Which of the following statements about the mantle is TRUE?

Match the earthquake hazard in the first column with the correct location in the second column. A)regions with unstable slopes B)coastal regions C)cities with vulnerable water lines D)areas of loose sediment -9)tsunami 10)liquefaction 11)landslides 12)fires

Where is the epicenter of an earthquake?

Subduction leads to orogenesis.

When an earthquake occurs, energy radiates in all directions from its source region, called the ________, the spot in Earth's crust where a fault slips.

A normal fault has little or no vertical movements of the two blocks.

Approximately how much more energy is released in an earthquake of Richter magnitude 6.5 than in a magnitude 5.5 earthquake?

Earth's core is interpreted to consist mainly of ________.

Matter and Minerals

Rocks: Materials of the Solid Earth

Landscapes Fashioned by Water

Glacial and Arid Landscapes

Plate Tectonics: A Scientific Revolution Unfolds

Volcanoes and Other Igneous Activity

Geologic Time

Oceans: The Last Frontier

The Restless Ocean

Heating the Atmosphere

Moisture, Clouds, and Precipitation

The Atmosphere in Motion

Weather Patterns and Severe Weather

The Nature of the Solar System

Beyond Our Solar System

Filters