Earthquakes Answers
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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.2
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The diagram shows circles drawn by geologists trying to determine the location of an earthquake’s epicenter.
A
location of an epicenterB
location of a focusC
location of a seismographD
location of a wave3
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.4
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.5
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.6
What happens when stress builds at faults?
A
Energy is absorbed.B
Rock can bend and break.C
Plates form on the lithosphere.D
Earthquakes develop at Earth’s surface.7
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.8
Which of these factors is involved in earthquake formation?
A
plates getting largerB
rocks breakingC
stress that decreasesD
faults that remain stationary9
Which phrase describes a feature of an earthquake’s epicenter?
A
starting point of an earthquakeB
place around the center of an earthquakeC
region directly above the focusD
point about 100 kilometers deep in the lithosphere10
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.Did you find these answers helpful?
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