Monitoring Earthquakes – Flashcards
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An Earthquake always occurs where there is a build up of friction along a fault.
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False
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Which of the following monitors both vertical and horizontal movements along a fault?
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GPS satellite system
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Scientists use tiltmeters to locate hidden faults.
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False
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A device that uses wire stretched across a fault to measure horizontal movement of the ground is called a
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creep meter
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Geologists use a creep meter to measure the horizontal movement along a fault.
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True
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With the range of data available, geologists cannot predict exactly where and when earthquakes will occur.
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True
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Laser-ranging devices can detect even tiny movements of the crust along a(n) ______.
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fault
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What does a seismograph record?
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the ground movements caused by seismic waves
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Geologists use a(n) _____ to measure the tilting of the ground along a fault.
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tiltmeter
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The pen on a seismograph swings freely.
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False
