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13 Cards in this Set
- Front
- Back
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Seismic wave |
Vibrations that travel through the Earth and releases energy during an earthquake |
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P wave |
First to arrive |
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S wave |
Second to arrive |
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Service waves |
Move slower than P and S waves, but produce the most damage |
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Magnitude |
Measurement of how big something is |
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Mercalli scale |
Rates earthquakes according to their intensity |
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Intensity |
The strength in ground movement in a given place |
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Richter scale |
Measures the size of the seismic waves |
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Moment magnitude scale |
Rates the total energy released by the earthquake |
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Epicenter |
Point of the Earth's surface directly above the focus |
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Focus |
Point under the Earth were rocks break caused by stress that causes an earthquake |
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Seismograph |
Records ground movement caused by waves in the Earth |
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Earthquake |
Shaking of the Earth resulted in rocks and plates moving beneath the Earth |
