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| The point beneath Earth's surface where rock breaks under stress and causes an earthquake. |
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| A vibration that travels through Earth carrying the energy released during an earthquake. |
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| A type of seismic wave that compressed and expands the ground. |
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Definition
| A type os seismic wave that moves the ground up and down or side to side. |
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Definition
| A type of seismic wave that forms when P waves and S waves reach Earth's surface. |
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| A device that records ground movements cause by seismic waves as they move through Earth. |
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Definition
| The measurement of an earthquakes strength based on seismic waves and movement along faults. |
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| A scale that rates earthquakes according to their intensity and how much damage they caused. |
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| A scale that rates seismic waves as measured by a mechanical seismograph. |
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Definition
| A scale that rates earthquakes by estimating the total energy released by an earthquake. |
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Term
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Definition
| The point on Earth's surface directly above an earthquakes focus |
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