A seismic wave is an elastic wave generated by an impulse such as an earthquake or an explosion.
large rising or magma not at plate boundaries
point on earths surface directly above the focus.
bits of rock or solidified lava dropped from the air
molten rock inside earth
is divided into about 13 major plates
small steep volcano with a cone made of tephra
long crack where plates diverge
vibrations that occur when rocks break due to stress
an avalanche of glowing rocks flowing on a cushion of hot gases
number based on seismic wave amplitude the measurement of the richter scale
instrument used to record earthquakes
measures the magnitude of an earthquake.
structures that can withstand earthquakes
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