Vibrations of the Earth produced release of energy. Often caused by slippage along a break in the Earth's crust.
Fractures in the Earth where movement has occurred.
Where within the Earth an earth quake originates.
the point on the Earth's surface directly above the focus of an earthquake
Elastic rebound hypothesis
when rocks are deformed they first bend and break releasing stored energy.
Movements following a big earthquake that cause other smaller earthquakes
small earthquakes that come before a big earthquake.
seismic waves that travel along the earths surface and causes anything resting on it to move
push-pull waves they compress and expand rocks 1.7x's faster than S waves
cause the ground to shake up and down and side ways
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