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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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.3
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 wave4
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.5
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.6
Which of these factors is involved in earthquake formation?
A
plates getting largerB
rocks breakingC
stress that decreasesD
faults that remain stationary7
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 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.9
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.10
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 lithosphereDid you find these answers helpful?
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