Science quiz review

what causes an earthquake

when ricks slip and slide along enormous cracks in earthsC crust called faults

p waves

squeeze and push rocks in the same direction that the waves are traveling

fastest wave

travel through liquid and solid

s waves

moves up and down to the direction of the wave

slower than p waves

only travels through solids

Surface waves

Only on earths surface

slowest type of wave

usually most destructive causes most movement

summarize the patterns in global earthquake distribution

Usually occur in well defined zones. corresponding closely with tectonic plate boundary’s