Earthquake and Plate Tectonics

Front

crust and upper area of the mantle

Back

lithosphere

Front

beginning point of an earthquake

Back

focus

Front

scientist who studies the movement of the earth

Back

seismologist

Front

vibrations of energy flowing from the focus

Back

seismic wave

Front

point on Earth’s surface directly above the focus

Back

epicenter

Front

strength of an earthquake’s seismic waves

Back

magnitude

Front

giant ocean wave

Back

tsunami

Front

idea that the earth’s crust is made up of moving plates

Back

theory of plate tectonics

Front

buildup and release of energy when two surface plates move or shift against each other

Back

cause of earthquake

Front

when large amounts of earth are removed or added

Back

cause of earthquake