Earthquake Glossary

There are 16 entries in this glossary.
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Seismic Waves

Vibrations that travel outward from the earthquake fault at speeds of several kilometres per second. While fault slippage directly under a structure can cause considerable damage, the vibrations produced by seismic waves cause most of the destruction during earthquakes.

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It is estimated that there are 500,000 detectable earthquakes in the world each year.