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EARTHQUAKE WAVES
earth science terms for earthwuakes and seismic waves.
| Term | Definition |
|---|---|
| earthquake | |
| focus | |
| epicenter | |
| elastic rebound | |
| small quakes after a major earthquake | aftershock |
| small quakes before a major earthquake | foreshock |
| intensity | |
| magnitude | |
| Mercalli Scale | |
| Richter Scale | |
| instrument used to | seismograph |
| graph | siesmogram |
| disturbance that transmits energy | wave |
| wave particules 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 wave | amplitude |
| distance between consecutive waves | wavelength |
| primary waves that are least storngest yet fast | P waves |
| secondary body wave | S waves |
| surface waves | |
| travel-time graph | |
| tringulation |