Term
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Definition
| Vibration of the lithosphere |
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Term
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Definition
| Distorted plates 'spring' back to their original shape |
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Term
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Definition
| Place 'inside' the earth where quake actually occurs |
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Term
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Definition
| Shallow focus (close to earth's surface) |
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Term
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Definition
| Shallow-deep (far away from earth's surface) |
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Term
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Definition
| Shallow-medium (medium close to earth's surface) |
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Term
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Definition
| Point on the surface directly above the focus |
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Term
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Definition
| Crack that separates 2 plates |
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Term
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Definition
| Fast moving, longitudinal, travel through solid & liquid - body wave |
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Term
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Definition
| Slow, transverse, travel through solids only - body wave |
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Term
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Definition
| Slower than S, surface wave, so can be seen |
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Term
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Definition
| Calculate distance to quake |
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Term
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Definition
| Wave caused by movement of the sea floor |
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Term
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Definition
| Place where neither P waves nor S waves are received |
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Term
| 2 main reasons why buildings collapse during earthquakes |
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Definition
| Ground shaking & foundation failure |
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Term
| 3 things about earthquakes that seismologists hope to succeed in predicting |
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Definition
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