Earthquakes Answers
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Which of these factors is involved in earthquake formation?
A
plates getting largerB
rocks breakingC
stress that decreasesD
faults that remain stationary2
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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 the focus of an earthquake?
A
It creates stress in rock.B
It develops in the lithosphere.C
It lies above the surface where rock breaks.D
It begins about 5 kilometers below Earth’s surface.4
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.5
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.6
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 lithosphere7
Which statement describes the moment magnitude scale?
A
It measures only small earthquakes.B
It uses data collected by a seismograph.C
It shows only the strength of seismic waves that were produced.D
It determines the amount of damage caused by an earthquake.8
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.9
Which statement describes the Mercalli scale?
A
This scale measures seismic waves based on their size.B
This scale rates an earthquake according to how much damage it causes.C
This scale produces a single rating for earthquakes that reach the surface.D
This scale measures the magnitude of an earthquake based on the size of seismic waves.10
Which factor does the moment magnitude scale estimate?
A
damageB
locationC
wave strengthD
energy releasedDid you find these answers helpful?
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