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| an event that occers when rocks along plate bounderies shift suddenly and realeasis the stroed energy |
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| the point on the surface of the earth directly above the focus of an earthquake |
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| a break in the earths surface which rock can move |
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| the beginning point of an earthquake from the location from which energy waves are sent |
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| the amount of energy sent from an earthquake |
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| a scale used for indicating thmagnituiedof earthquakes from data of a seismograph |
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Definition
| the vibrations that flow out from the focus of an earthquake |
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| an istrument that recordes how strong and how long earthquakes last |
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| theory of plate techtonics |
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Definition
| the idea of earths crust is made up of moving plates |
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Definition
| giant ocean wave caused by an earthquake vocanoe or landslide occering under or near the ocean |
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