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Earthquake Waves

TermDefinition
earthquake A vibration of the earth produced by a rapid release of energy.
focus The point within the earth where the earthquake starts.
epicenter
elastic rebound
aftershock the movement that follows a major earthquake.
foreshock Small earthquakes before a major earthquake.
intensity measures the amount of shaking at a particular location.
magnitude measures the size of the earthquake as its source.
Mercalli Scale measures intensity based on observed effects of an earthquake on earth's surface.
Richter Scale Measures earthquake energy a from seismic waves using a seismograph
seismograph
seismogram
wave disturbance that translates energy.
transverse wave wave particles vibrate perpindicular to wave direction.
Longitudinal wave wave particles vibrate parallel to wave direction
medium material a wave move through
crest upward displacementof a wave
trough downward displacement of a wave
amplitude distance between consecutive waves
wavelength primary body wave
P waves
S waves
surface waves
travel time graph
triangulation
Created by: *Davosea_Dawson*
Popular Earth Science sets

 

 



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