Earthquake
ground shaking caused by the sudden and rapid movement of one block of rock slipping past another along fractures in Earth’s crust called faults.
Hypocenter or Focus
The location where slippage begins for an earthquake
Epicenter
The point on Earth’s surface directly above the hypocenter
Seismic Waves
a form of energy that causes the material that transmits them to shake. Seismic waves are analogous to waves produced when a stone is
dropped into a calm pond.
Elastic Rebound
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after-shocks
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foreshocks
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Megathrust Fault
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Fault creep
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Fault Slip
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