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Earthquakes & Seismi
Question | Answer |
---|---|
Earthquakes | |
Focus | |
Epicenter | |
Elastic rebound | |
Aftershock | |
Foreshock | |
Intensity | |
Magnitude | |
Mercalli scale | |
Richter scale | |
Seismorgraph | |
Seismogram | |
Wave | Disturbance that transmits energy |
Transverse wave | Wave particies vibrate perpendicular to wave dirction |
Longitudinal wave | Wave particies vibrate parallel to wave dirction |
Medium | Material a wave moves through |
Crest trough | Upward displacement of a wave |
Amplitude | Downward displacement of a wave |
Wavelength | Distance between consecutive waves |
P waves | primary body wave (earthquake); faster, least damaging ; longitudinal |
S waves | |
Suface waves | |
Travel-time graph | |
Triangulation |