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6 Cards in this Set
- Front
- Back
earthquake |
Shaking of the earth's crust |
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seismograph |
Instrument that detects and records earthquake waves.
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focus |
Point inside the earth where rock first moves, starting an earthquake.
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epicenter |
Point on the earth's surface directly over the focus of an earthquake.
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Richter scale |
Scale used to measure the strength of an earthquake.
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tsunami |
Large sea wave caused by vibrations of the earth.
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