Question 1

What causes tsunamis, and why are they so destructive?

Accepted Answer

Many tsunamis are caused by the displace

Question 2

The analyses of the alignment of the planets and moon are a scientifically accepted method used to predict earthquakes.

Accepted Answer

A) True 
 B)False

Question 3

Explain the differences between the magnitude and the intensity of an earthquake, in terms of how each is measured or observed.

Accepted Answer

Magnitude is measured by instr

Question 4

The composition of the mantle is:

Accepted Answer

A)  peridotite. 
B)  basalt. 
C)  granite. 
D)  iron. 
E)  iron and nickel metal. 
A)  peridotite. 
B)  basalt. 
C)  granite. 
D)  iron. 
E)  iron and nickel metal.

Question 5

Why is the Modified Mercalli Intensity Scale no longer the main method used for measuring the size of earthquakes?

Accepted Answer

The Mercalli scale measures intensity, w

Question 6

The focus of the most destructive earthquakes is almost always:

Accepted Answer

A)  shallow. 
B)  intermediate. 
C)  deep. 
D)  internediate and deep. 
E)  shallow, intermediate, or deep. 
A)  shallow. 
B)  intermediate. 
C)  deep. 
D)  internediate and deep. 
E)  shallow, intermediate, or deep.

Question 7

One of the strongest earthquakes ever recorded in North America was the intraplate quake known as the:

Accepted Answer

A)  1811 New Madrid, Missouri, earthquake. 
B)  1886 Charleston, Carolina, earthquake. 
C)  1906 San Francisco earthquake. 
D)  1964 Anchorage, Alaska, earthquake. 
E)  1984 Mount St. Helens, Washington, earthquake. 
A)  1811 New Madrid, Missouri, earthquake. 
B)  1886 Charleston, Carolina, earthquake. 
C)  1906 San Francisco earthquake. 
D)  1964 Anchorage, Alaska, earthquake. 
E)  1984 Mount St. Helens, Washington, earthquake.

Question 8

The term that best describes a tsunami is not "tidal wave" but ____________________.

Accepted Answer

The answer of The term that best describes a tsunami...

Question 9

Describe what seismographs do and how they work.

Accepted Answer

Seismographs are instruments that detect

Question 10

The magnitude of an earthquake measures:

Accepted Answer

A)  its intensity. 
B)  the damage created. 
C)  the energy released. 
D)  the duration of trembling. 
E)  its intensity and the duration of trembling. 
A)  its intensity. 
B)  the damage created. 
C)  the energy released. 
D)  the duration of trembling. 
E)  its intensity and the duration of trembling.

Question 11

Why do most earthquakes occur along the circum-Pacific belt?

Accepted Answer

Convergent plate boundaries line the Pac

Question 12

The study of earthquakes is called ____________________.

Accepted Answer

The answer of The study of earthquakes is called ____________________....

Question 13

Explain how geologists calculate the distance between the epicenter of an earthquake and a given seismograph.

Accepted Answer

By measuring the difference be

Question 14

Explain the differences between the magnitude and the intensity of an earthquake, in terms of how many intensities and magnitudes a single, given earthquake can have.

Accepted Answer

An earthquake can have only on

Question 15

An instrument that detects, records, and measures vibrations produced by an earthquake is called a(n) ____________________.

Accepted Answer

The answer of An instrument that detects, records, and measures...

Question 16

The velocities of P- and S-waves are determined by these two properties of the material they are passing through: ____________________ and ____________________.

Accepted Answer

density, e

Question 17

The major boundary that occurs at a depth of about 30 km below Earth's surface is the:

Accepted Answer

A)  low-velocity zone. 
B)  Moho. 
C)  inner core-outer core transition. 
D)  core-mantle boundary. 
E)  none of the above 
A)  low-velocity zone. 
B)  Moho. 
C)  inner core-outer core transition. 
D)  core-mantle boundary. 
E)  none of the above

Question 18

Why are there so few earthquakes within plate interiors?

Accepted Answer

At plate boundaries, adjacent

Question 19

The minimum number of seismograph records needed to locate the epicenter of an earthquake is ____________________.

Accepted Answer

The answer of The minimum number of seismograph records needed...

Question 20

What is an earthquake? What are foreshocks and aftershocks?

Accepted Answer

An earthquake is the shaking or tremblin

What causes tsunamis, and why are they so destructive?

The analyses of the alignment of the planets and moon are a scientifically accepted method used to predict earthquakes.

Explain the differences between the magnitude and the intensity of an earthquake, in terms of how each is measured or observed.

The composition of the mantle is:

Why is the Modified Mercalli Intensity Scale no longer the main method used for measuring the size of earthquakes?

The focus of the most destructive earthquakes is almost always:

One of the strongest earthquakes ever recorded in North America was the intraplate quake known as the:

The term that best describes a tsunami is not "tidal wave" but ____________________.

Describe what seismographs do and how they work.

The magnitude of an earthquake measures:

Why do most earthquakes occur along the circum-Pacific belt?

The study of earthquakes is called ____________________.

Explain how geologists calculate the distance between the epicenter of an earthquake and a given seismograph.

Explain the differences between the magnitude and the intensity of an earthquake, in terms of how many intensities and magnitudes a single, given earthquake can have.

An instrument that detects, records, and measures vibrations produced by an earthquake is called a(n) ____________________.

The velocities of P- and S-waves are determined by these two properties of the material they are passing through: and .

The major boundary that occurs at a depth of about 30 km below Earth's surface is the:

Why are there so few earthquakes within plate interiors?

The minimum number of seismograph records needed to locate the epicenter of an earthquake is ____________________.

What is an earthquake? What are foreshocks and aftershocks?

Understanding Earth: a Dynamic and Evolving Planet

Plate Tectonics: a Unifying Theory

Minerals: the Building Blocks of Rocks

Igneous Rocks and Intrusive Igneous Activity

Volcanoes and Volcanism

Weathering, Soil, and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Deformation, Mountain Building, and the Continents

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Shorelines and Shoreline Processes

Geologic Time: Concepts and Principles

Earth History

Life History

Filters

Exam 8: Earthquakes and Earths Interior

What causes tsunamis, and why are they so destructive?

The analyses of the alignment of the planets and moon are a scientifically accepted method used to predict earthquakes.

Explain the differences between the magnitude and the intensity of an earthquake, in terms of how each is measured or observed.

The composition of the mantle is:

Why is the Modified Mercalli Intensity Scale no longer the main method used for measuring the size of earthquakes?

The focus of the most destructive earthquakes is almost always:

One of the strongest earthquakes ever recorded in North America was the intraplate quake known as the:

The term that best describes a tsunami is not "tidal wave" but ____________________.

Describe what seismographs do and how they work.

The magnitude of an earthquake measures:

Why do most earthquakes occur along the circum-Pacific belt?

The study of earthquakes is called ____________________.

Explain how geologists calculate the distance between the epicenter of an earthquake and a given seismograph.

Explain the differences between the magnitude and the intensity of an earthquake, in terms of how many intensities and magnitudes a single, given earthquake can have.

An instrument that detects, records, and measures vibrations produced by an earthquake is called a(n) ____________________.

The velocities of P- and S-waves are determined by these two properties of the material they are passing through: ____________________ and ____________________.

The major boundary that occurs at a depth of about 30 km below Earth's surface is the:

Why are there so few earthquakes within plate interiors?

The minimum number of seismograph records needed to locate the epicenter of an earthquake is ____________________.

What is an earthquake? What are foreshocks and aftershocks?

Understanding Earth: a Dynamic and Evolving Planet

Plate Tectonics: a Unifying Theory

Minerals: the Building Blocks of Rocks

Igneous Rocks and Intrusive Igneous Activity

Volcanoes and Volcanism

Weathering, Soil, and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Deformation, Mountain Building, and the Continents

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Shorelines and Shoreline Processes

Geologic Time: Concepts and Principles

Earth History

Life History

Filters

The velocities of P- and S-waves are determined by these two properties of the material they are passing through: and .