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earthquake waves
| Term | Definition |
|---|---|
| earthquake | |
| focus | |
| epicenter | |
| elastic rebound | |
| aftershock | |
| foreshock | |
| intensity | |
| magnitude | |
| mercalli | |
| scale | |
| richter scale | |
| seismograph | |
| seismogram | |
| wave | disturbance that transmits energy |
| transverse wave | wave particles vibrate perpendicular to a wave direction |
| longitudinal wave | wave particles vibrate parallel to a wave direction |
| medium | material a wave moves through |
| crest | upward displacement of a wave wave |
| trough | downword displacement of a wave |
| amplitude | height of a wave |
| wavelength | distance between consecutive waves |
| P waves | primary body wave (earthquake); least damaging; longitudinal wave |
| S waves | |
| surface waves | |
| travel time graph | |
| triangulation |