Question 1

Should scientists be encouraged to make short term earthquake predictions even though the current methods for such predictions are very unreliable?

Accepted Answer

Maybe… If we had a regular earthquake re...

Question 2

Seismic gaps are places where scientists think that _______.

Accepted Answer

A)   faults are creeping smoothly
B)   faults are storing elastic strain
C)   faults are storing stress
D)   earthquakes are unlikely to occur

Question 3

The 2011 earthquake and tsunami in Japan killed approximately 21,000 people while the 2010 earthquake in Haiti killed approximately 316,000 people because _______.

Accepted Answer

A)   the earthquake in Haiti was a larger magnitude released more energy. than the one in Japan
B)   the construction methods in Haiti were not as good as those used in Japan
C)   the population of Haiti was much greater than that of northern Japan where the earthquake occurred
D)   the earthquake in Haiti generated a very large tsunami that killed most of the people
E)   All of the above were factors.

Question 4

On a typical seismogram,_______ will show the highest amplitudes.

Accepted Answer

A)   S waves
B)   surface waves
C)   body waves
D)   P waves

Question 5

The deepest well that has ever been drilled on the earth is _______deep, about 1/500th of the radius of the earth.

Accepted Answer

A)   31.4 km
B)   20.7 km
C)   12.3 km
D)   40.5 km

Question 6

A tsunami can occur _______.

Accepted Answer

A)   when an earthquake occurs in the seafloor like along an oceanic plate boundary
B)   any time there is an earthquake anywhere
C)   when an explosive volcanic eruption occurs in someplace like Hawaii or Alaska
D)   when an earthquake occurs along a coastline like in Japan or Indonesia
E)   All of the above are correct.

Question 7

See the image below of a subduction zone. not have earthquakes " class="answers-bank-image d-inline" rel="preload" > What is the most likely area where you will see major earthquakes?

Accepted Answer

A)   in the ocean
B)   where the magma is beginning to rise
C)   in the mountain belt
D)   Nowhere. Subduction zones do not have earthquakes

Question 8

Would earthquakes of similar magnitudes in different regions of the Earth cause approximately the same levels of damage necessarily? In your explanation, consider both geologic and human- induced factors.

Accepted Answer

No. The magnitude of an earthquake and t...

Question 9

Examine the words and/or phrases below and determine the relationship among the majority of words/phrases. Choose the option that does not fit the pattern.

Accepted Answer

A)   core
B)   lithosphere
C)   mantle
D)   asthenosphere

Question 10

Faults are "locked" because_______.

Accepted Answer

A)   high confining pressure increases friction on the fault
B)   major faults occur at plate boundaries that only move occasionally
C)   otherwise they would have earthquakes all the time
D)   earthquakes only form when the rocks are free to move
E)   elastic rebound occurs on faults

Question 11

Which of the following is not a way that seismic waves travel in the earth?

Accepted Answer

A)   diffraction
B)   diffusion
C)   refraction
D)   reflection

Question 12

A seismograph works because there is a _______.

Accepted Answer

A)   liquid medium in the instrument allowing only P waves to pass through
B)   suspended weight that moves independently of Earth
C)   rotating paper drum that causes mini- earthquakes
D)   vertical ground motion causing the pen to move

Question 13

Liquification, where normally solid material behaves more like a fluid during an earthquake, occurs because_______ .

Accepted Answer

A)   rock particles dissolve and mix with the fluids in the subsurface to become a liquid
B)   friction from the vibrations melt rock and produce magmas
C)   cracking in the rocks allows fluids to flow into the area and increase the amount of liquids in the subsurface
D)   pore spaces between particles in unconsolidated sediments close and displace fluids

Question 14

Oceanic crust is _______than continental crust.

Accepted Answer

A)   lighter
B)   denser
C)   thicker
D)   more granitic

Question 15

The position on Earth's surface directly above the earthquake source is called the _______.

Accepted Answer

A)   seismic zone
B)   inertial point
C)   epicenter
D)   focus

Question 16

Modern seismographs rely on_______ to record the ground motion from an earthquake.

Accepted Answer

A)   buoyancy
B)   inertia
C)   density
D)   mass

Question 17

_______is the weak layer.

Accepted Answer

A)   Continental crust
B)   Asthenosphere
C)   Mantle
D)   Lithosphere
E)   Oceanic crust

Question 18

The next large earthquake on the San Andreas Fault zone in California is considered likely to be _______.

Accepted Answer

A)   in northern California because the last major earthquake was in central California and the plate boundary is moving the stress to the northwest
B)   in Southern California because it has been nearly 300 years since the last major earthquake in that area
C)   in San Francisco because large earthquakes there are thought to occur every 75 years and the last large earthquake was in 1906
D)   All of the fault system is considered equally likely because the plate motion is uniform and all areas are affected equally.

Question 19

During the Alaskan earthquake of 1964, the buildings that survived the best were made of_______ .

Accepted Answer

A)   brick
B)   wood
C)   mud
D)   stone

Question 20

Major earthquakes are often followed by somewhat smaller events known as_______ .

Accepted Answer

A)   aftershocks
B)   hyposhocks
C)   tremors
D)   foreshocks

Exam 5: Earthquakes and Earths Interior

Modern seismographs rely on_______ to record the ground motion from an earthquake.

Correct AnswerverifiedShow Answer

During the Alaskan earthquake of 1964, the buildings that survived the best were made of_______ .

Correct AnswerverifiedShow Answer

Faults are "locked" because_______.

Correct AnswerverifiedShow Answer

Liquification, where normally solid material behaves more like a fluid during an earthquake, occurs because_______ .

Correct AnswerverifiedShow Answer

Examine the words and/or phrases below and determine the relationship among the majority of words/phrases. Choose the option that does not fit the pattern.

Correct AnswerverifiedShow Answer

Would earthquakes of similar magnitudes in different regions of the Earth cause approximately the same levels of damage necessarily? In your explanation, consider both geologic and human- induced factors.

Correct AnswerverifiedNo. The magnitude of an earthquake and t...View AnswerShow Answer

The position on Earth's surface directly above the earthquake source is called the _______.

Correct AnswerverifiedShow Answer

Seismic gaps are places where scientists think that _______.

Correct AnswerverifiedShow Answer

_______is the weak layer.

Correct AnswerverifiedShow Answer

Oceanic crust is _______than continental crust.

Correct AnswerverifiedShow Answer

The 2011 earthquake and tsunami in Japan killed approximately 21,000 people while the 2010 earthquake in Haiti killed approximately 316,000 people because _______.

Correct AnswerverifiedShow Answer

Which of the following is not a way that seismic waves travel in the earth?

Correct AnswerverifiedShow Answer

On a typical seismogram,_______ will show the highest amplitudes.

Correct AnswerverifiedShow Answer

The deepest well that has ever been drilled on the earth is _______deep, about 1/500th of the radius of the earth.

Correct AnswerverifiedShow Answer

The next large earthquake on the San Andreas Fault zone in California is considered likely to be _______.

Correct AnswerverifiedShow Answer

See the image below of a subduction zone. What is the most likely area where you will see major earthquakes?

Correct AnswerverifiedShow Answer

Major earthquakes are often followed by somewhat smaller events known as_______ .

Correct AnswerverifiedShow Answer

Should scientists be encouraged to make short term earthquake predictions even though the current methods for such predictions are very unreliable?

Correct AnswerverifiedMaybe… If we had a regular earthquake re...View AnswerShow Answer

A tsunami can occur _______.

Correct AnswerverifiedShow Answer

A seismograph works because there is a _______.

Correct AnswerverifiedShow Answer

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No. The magnitude of an earthquake and t...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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The deepest well that has ever been drilled on the earth is _______deep, about 1/500^thof the radius of the earth.

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Maybe… If we had a regular earthquake re...
View Answer

Correct Answer
verified

Correct Answer
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