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analyzing earthquake
| Term | Definition |
|---|---|
| body wave | an earthquake wave that travels through the body of earth rather than on its surface |
| aftershock | an earthquake that occurs later along the same fault zone as a major earthquake |
| p-wave | a primary earthquake wave that travels through the body of the earth |
| s-wave | a secondary wave so named because it travel slower than a primary wave after an earthquake |
| surface wave | an earthquake wave that travels at or near the surface of earth |
| epicenter | location on earths surface directly above an earthquakes focus or origin |
| focus | Location beneath Earth's surface where the energy of an earthquake is released |