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Earthquake Waves

All about earth quakes yay fun.

TermDefinition
earthquake a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust
focus the point of origin of an earthquake
epicenter The point that the earthquake hits.
elastic rebound as rocks gain energy they bend then when it's too much they snap back into place causing a lot of energy.
after shock Small tremors after the initial quake.
fore shock Small tremors before the initial quake.
intensity how much an earthquake shakes
magnitude The size of the earthquake
Mercalli scale The amount of damage an earthquake does to man made objects or people.
Ritcher scale scale that ranks earthquake magnitude based on seismograms.
seismograph The object used to make seismogram.
seismogram A reading of how much an earthquake shakes.
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
through downward displacement
amplitude Height of a wave
wavelength Difference between consecutive waves.
P waves Primary body wave (earthquake); fastest; least damaging
S waves Secondary body waves (earthquake); Slower; More damaging
surface waves The largest, slowest waves. Most damaging.
travel-time graph something that I do not know.
triangulation formation of or division into triangles.
Created by: joselvan
Popular Earth Science sets

 

 



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