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Definition
| is shaking of earths crust caused by a release of energy. |
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Definition
| is a breake in the lithosphere along which movement has occured. |
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Definition
| the point at which the first movement occures during an earthquake. |
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Definition
| the point on earths surface directly above the focus is the earthquake. |
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Definition
| waves that travel from the focus of an earthquake through earth. |
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Definition
| the body waves known as compressianal waves,primary waves,or P waves squeeze and stretch rock materials as they pass through earth. |
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Definition
| the body waves called shear waves,secondary waves,or S waves caused particles of rock material to move at right angles to the direction in which the waves are traveling. |
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Definition
| earthquake waves that travel along earths surface;Love waves and Rayleigh waves are two types of surface waves. |
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Definition
| an instrument that detects and records waves produced by earthquakes. |
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Definition
| the recording of an earthquake made by a seismograph |
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Definition
| the measure of the amont of energy released in an earthquake. |
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Term
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Definition
| an upfold in rock layeres. |
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Term
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Definition
| a downfold in rock layers. |
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Definition
| a fault in which the hanging wall moves down with respect to the footwall |
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Term
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Definition
| a fault where the hanging wall moves up with respect to the footwall |
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Term
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Definition
| a reverse fault in which the fault plane dips 45 degrees or less from the horizontal |
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Term
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Definition
| a fault where the rocks on oppsite sides of the fault plane move horizontally. |
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Term
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Definition
| a crack or break in the bedrock along which no movement has occured. |
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