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Earthquake waves
Earth Science terms about earthquakes and seismic waves
| Term | Definition |
|---|---|
| Earthquake | |
| Focus | |
| Epicenter | |
| Elastic rebound | |
| Aftershock | |
| Foreshock | |
| Intensity | |
| Magnitude | |
| Mercalli scale | |
| Ritcher 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 | |
| Surface waves | |
| Travel-time graph | |
| Triangulation |