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6 Cards in this Set

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  • Back
ASPERITIES
rough places on a fault surface where friction is higher than average
equation for earthquake size (seismic moment)
size of earthquake = shear strenght of rock x fault area x fault displacement
P wave
like sound waves, move fast through solid rock
S wave
cause shear force on solid earth, arrive secondary to P waves
Raliegh Waves
SURFACE WAVES, similar to a water wave on the surface
Love waves
rock moves side to side when wave passes