AnswersAZ-Earth and Space Science A SC301Earthquakes

Earthquakes Answers

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1
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Which strategy do geologists use to locate the center of an earthquake?

A
They only analyze local data.
B
They collect data from seismographs.
C
They measure arrival times of surface waves.
D
They draw squares on maps for measurements.
2
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How are S waves and P waves similar?

A
They shake the ground.
B
They travel through liquids.
C
They arrive at the same time.
D
They vibrate from side to side.
3

Which of these factors is involved in earthquake formation?

A
plates getting larger
B
rocks breaking
C
stress that decreases
D
faults that remain stationary
4

Which factor does the moment magnitude scale estimate?

A
damage
B
location
C
wave strength
D
energy released
5

Which statement describes S waves?

A
They move side to side.
B
They arrive before P waves.
C
They travel through liquids.
D
They occur at Earth’s surface.
6

Which statement describes a seismograph?

A
It has a flat graphing surface.
B
It is used to locate an earthquake’s focus.
C
It uses a needle on graph paper to measure seismic wave activity.
D
It measures data used to find the difference between the arrival times of surface waves.
7

Which statement describes how geologists use data from seismographs to learn about earthquakes?

A
They often compare information from all over the world.
B
They map the location of an earthquake’s focus.
C
They use one reading to determine the location of an epicenter.
D
They measure the difference between the arrival times of surface waves.
8

Which statement describes the Richter scale?

A
It cannot account for fault movement during an earthquake.
B
It measures large earthquakes far from the seismograph.
C
It estimates the total energy released from an earthquake.
D
It measures magnitude based on the size of seismic waves.
9

Which statement describes P waves?

A
They start as surface waves.
B
They travel through liquids.
C
They vibrate from side to side.
D
They move slower than S waves.
10

Which statement describes surface waves?

A
They arrive before S waves.
B
They travel faster than P waves.
C
They are produced by P and S waves.
D
They travel deep below Earth’s surface.

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