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