Earthquakes Answers
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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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Which factor does the moment magnitude scale estimate?
A
damageB
locationC
wave strengthD
energy released3
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.4
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.5
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 wave6
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.7
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.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.Did you find these answers helpful?
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