Question 1

The upper part of the ________ has the approximate composition of peridotite.

Accepted Answer

mantle

Question 2

Long term earthquake prediction is based on ________.

Accepted Answer

A) observations of things like animal behavior,radon gas emissions,and changes in topography 
B) the assumption that large faults break in a cyclical manner 
C) measurements of the plate motions and rate of stress accumulation 
D) measurements of strain accumulation 
A) observations of things like animal behavior,radon gas emissions,and changes in topography 
B) the assumption that large faults break in a cyclical manner 
C) measurements of the plate motions and rate of stress accumulation 
D) measurements of strain accumulation B

Question 3

Most earthquakes occur along ________ plate boundaries.

Accepted Answer

convergent or subduction

Question 4

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

Accepted Answer

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

Question 5

Large megathrust earthquakes in the mountainous regions flanking the Mediterranean sea are generally due to ________.

Accepted Answer

A) the collision of the African Plate with Eurasia 
B) the collision of the African Plate with Southeast Asia 
C) the collision of the Indian Plate with Eurasia 
D) the collision of the Indian Plate with Southeast Asia 
A) the collision of the African Plate with Eurasia 
B) the collision of the African Plate with Southeast Asia 
C) the collision of the Indian Plate with Eurasia 
D) the collision of the Indian Plate with Southeast Asia

Question 6

Seismic gaps are places where scientists think that ________.

Accepted Answer

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

Question 7

Which of the following is not a significant factor contributing to the damage caused by an earthquake?

Accepted Answer

A) the construction techniques and materials used in the region 
B) the proximity to a plate boundary 
C) the duration of the vibrations 
D) the types of ground materials that are built on in the region 
A) the construction techniques and materials used in the region 
B) the proximity to a plate boundary 
C) the duration of the vibrations 
D) the types of ground materials that are built on in the region

Question 8

A magnitude scale is a measure of the energy released.It does not measure the extent of building damage or loss of life.

Accepted Answer

A) True 
 B)False

Question 9

Oceanic crust is composed primarily of ________.

Accepted Answer

A) granite 
B) basalt 
C) sandstone 
D) andesite 
A) granite 
B) basalt 
C) sandstone 
D) andesite

Question 10

________ is the maximum possible damage designation on the Mercalli scale.

Accepted Answer

A) XII 
B) 3 
C) X 
D) 10 
A) XII 
B) 3 
C) X 
D) 10

Question 11

What is the probability that a large earthquake (M > 6.7)will occur in the San Francisco area between 2003 and 2032?

Accepted Answer

A) 23% 
B) 44% 
C) 62% 
D) 85% 
A) 23% 
B) 44% 
C) 62% 
D) 85%

Question 12

Earthquakes result from the sudden release of elastic energy previously stored in rocks surrounding a zone of fault movement.

Accepted Answer

A) True 
 B)False

Question 13

tsunami fire liquefaction amplitude

Accepted Answer

The answer of tsunami fire liquefaction amplitude...

Question 14

Earthquakes along the San Andreas fault zone,for example,are repetitive-they reoccur in roughly the same regions over and over again-separated by decades or centuries because ________.

Accepted Answer

A) there are areas that are weak and always break when small amounts of energy are applied to them 
B) stress continues to build up all the time and when it is great enough to overcome friction there will be an earthquake and then the process will start over again 
C) faults are always moving or creeping so an earthquake will occur whenever two sides meet that have the right properties for an earthquake 
D) plate boundaries move at regular rates so the interactions across plate boundaries are predictable and regular 
A) there are areas that are weak and always break when small amounts of energy are applied to them 
B) stress continues to build up all the time and when it is great enough to overcome friction there will be an earthquake and then the process will start over again 
C) faults are always moving or creeping so an earthquake will occur whenever two sides meet that have the right properties for an earthquake 
D) plate boundaries move at regular rates so the interactions across plate boundaries are predictable and regular

Question 15

The upper part of the ________ has the approximate composition of granite.

Accepted Answer

The answer of The upper part of the ________ has...

Question 16

When an earthquake occurs,energy radiates in all directions from its source.The source is also referred to as the ________.

Accepted Answer

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

Question 17

There are thousands of earthquakes around the world every day.

Accepted Answer

A) True 
 B)False

Question 18

P waves ________.

Accepted Answer

A) propagate only in solids 
B) are faster than S waves and surface waves 
C) have higher amplitudes than do S waves 
D) produce the strongest ground shaking 
A) propagate only in solids 
B) are faster than S waves and surface waves 
C) have higher amplitudes than do S waves 
D) produce the strongest ground shaking

Question 19

Liquifaction,where normally solid material behaves more like a fluid during an earthquake,occurs because ________.

Accepted Answer

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

Question 20

Oceanic crust is less dense than continental crust.

Accepted Answer

A) True 
 B)False

Exam 8: Earthquakes and Earths Interior

The upper part of the ________ has the approximate composition of peridotite.

Long term earthquake prediction is based on ________.

Most earthquakes occur along ________ plate boundaries.

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

Large megathrust earthquakes in the mountainous regions flanking the Mediterranean sea are generally due to ________.

Seismic gaps are places where scientists think that ________.

Which of the following is not a significant factor contributing to the damage caused by an earthquake?

A magnitude scale is a measure of the energy released.It does not measure the extent of building damage or loss of life.

Oceanic crust is composed primarily of ________.

________ is the maximum possible damage designation on the Mercalli scale.

What is the probability that a large earthquake (M > 6.7)will occur in the San Francisco area between 2003 and 2032?

Earthquakes result from the sudden release of elastic energy previously stored in rocks surrounding a zone of fault movement.

tsunami fire liquefaction amplitude

Earthquakes along the San Andreas fault zone,for example,are repetitive-they reoccur in roughly the same regions over and over again-separated by decades or centuries because ________.

The upper part of the ________ has the approximate composition of granite.

When an earthquake occurs,energy radiates in all directions from its source.The source is also referred to as the ________.

There are thousands of earthquakes around the world every day.

P waves ________.

Liquifaction,where normally solid material behaves more like a fluid during an earthquake,occurs because ________.

Oceanic crust is less dense than continental crust.

Introduction to Earth Science

Matter and Minerals

Rocks: Materials of the Solid Earth

Weathering, soil, and Mass Wasting

Running Water and Groundwater

Glaciers, deserts, and Wind

Plate Tectonics: a Scientific Revolution Unfolds

Volcanoes and Other Igneous Activity

Crustal Deformation and Mountain Building

Geologic Time

Earths Evolution Through Geologic Time

The Ocean Floor

Ocean Water and Ocean Life

The Dynamic Ocean

The Atmosphere: Composition,structure,and Temperature

Moisture, clouds, and Precipitation

Air Pressure and Wind

Weather Patterns and Severe Weather

World Climates and Global Climate Change

Origin of Modern Astronomy

Touring Our Solar System

Light,astronomical Observations,and the Sun

Beyond Our Solar System

Filters