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foreshocks

foreshocks

foreshocks

foreshocks

earthquakes that precede larger earthquakes in the same location

aftershocks

aftershocks

aftershocks

aftershocks

small earthquake or tremors that follow a major earthquake

seismology

seismology

seismology

seismology

the study that earthquakes and the waves they create

greek word “seismos” means “to shake”

seismologists

seismologists

seismologists

seismologists

scientists who study earthquakes

seismic waves

seismic waves

seismic waves

seismic waves

vibrations or energy waves that travel through the earth’s layers and are caused by the SUDDEN MOVEMENT OF ROCKS during an earthquake

body waves( p and s waves)

body waves( p and s waves)

body waves( p and s waves)

body waves( p and s waves)

vibrations that travel through the interior of the earth

p/primary waves

p/primary waves

p/primary waves

p/primary waves

push rocks in the direction they are travelling and they travel in all states of matter (solid, liquid, or gas)

s/secondary waves

s/secondary waves

s/secondary waves

s/secondary waves

displace rocks at right angles to the direction they are travelling. WAVE THAT CANNOT PASS THROUGH LIQUIDS

surface waves( rayleigh and love waves)

surface waves( rayleigh and love waves)

surface waves( rayleigh and love waves)

surface waves( rayleigh and love waves)

vibrations that travel at the _______ of the earth. they can also travel at the surface of the mantle and core

love waves

love waves

love waves

love waves

move with side motion perpendicular to the direction of earthquake

rayleigh waves

rayleigh waves

rayleigh waves

rayleigh waves

moves in rolling motion in the direction of wave propagation