What Is the Definition of an Earthquake?

Answer

Earthquake refers to the result of a sudden release of energy in the Earth's crust that creates seismic waves. It may also refer to sudden and violent shaking of the ground, sometimes causing great destruction.
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2 Additional Answers
Ask.com Answer for: what is the definition of an earthquake
earth·quake
[urth-kweyk]
NOUN
1.
a series of vibrations induced in the earth's crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating.
2.
something that is severely disruptive; upheaval.
Source: Dictionary.com
The definition of an earthquake is when two of the earths plates, or layers, move and run into or slide past each other. This causes vibrations, or shaking to occur. You can find more information here: http://earthquake.usgs.gov/learn/kids/eqscience.php
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