Earthquakes and Seismic Waves Answers

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1
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The point beneath Earth’s surface where rock breaks under stress and triggers an earthquake is called the

A
syncline.
B
footwall.
C
epicenter.
D
focus.
2
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Please select the word from the list that best fits the definition

A
epicenter
B
focus
C
seismic waves
D
S waves
E
surface waves
F
Mercalli
G
Richter
H
Moment Magnitude
3

Please select the word from the list that best fits the definition Which scale of measurement measures the magnitude or strength of an earthquake based on seismic waves?

A
Mercali
B
Richter
C
Moment Magnitude
D
Focus
4

Which scale would most likely be used to tell how much earthquake damage was done to homes and other buildings?

A
the Richter scale
B
the Mercalli scale
C
the moment magnitude scale
D
the seismic scale
5

The Richter scale describes the effects of an earthquake on people, buildings, and land at a given location.

A
T
B
F
6

The rating system that estimates the total energy released by an earthquake is called the

A
Richter scale.
B
moment magnitude scale.
C
mechanical seismograph scale.
D
Mercalli scale.
7

Please select the word from the list that best fits the definition

A
epicenter
B
focus
C
seismic waves
D
S waves
E
surface waves
F
Mercalli
G
Richter
H
Moment Magnitude
8

When an earthquake occurs, S waves are the first seismic waves to arrive at a given location.

A
T
B
F
9

What type of earthquake wave can travel through both liquids and solids?

A
P waves
B
S waves
C
focus waves
D
surface waves
10

The type of seismic waves that arrive at the surface first and move by compressing and expanding the ground like an accordion are called

A
S waves.
B
P waves.
C
Surface waves.
D
Mercalli waves.

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