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Earthquakes Waves

Earthquakes and Seismic Waves

TermDefinition
Earthquake
Focus The place where an earthquake starts
Epicenter The location on the surface directly above the focus
Elastic Rebound
Aftershock Tremors directly following a major earthquake
Foreshock Tremors directly before a major earthquake
Intensity
Magnitude
Mercalli Scale
Richter Scale
Seismograph
Seismogram
Wave Disturbance that transmits energy
Transverse Wave Wave particles vibrate perpendicular to wave direction
Longitudinal Wave Wave particles vibrate parallel to wave direction
Medium Material a wave moves through
Crest Upward displacement of wave
Trough Downward displacement of wave
Amplitude Height of wave
Wavelength Distance between consecutive waves
P Waves Primary Waves; fastest; least damaging; longitudinal wave
S Waves
Surface Waves
Travel-Time Graph
Triangulation
Created by: casectho
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