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.
Q&A Related to "What Is the Definition of an Earthquake"
An earthquake is a natural phenomenon that results from underground movement along a fault plane. Shaking and vibration at the surface of the earth resulting from underground movement
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There are some important things that you need to do after an earthquake. First keep in mind that there may be aftershocks. These can be very dangerous and buildings are utilities
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EPA stands for Environmental Protection Agency, which is an independent federal agency established to co-ordinate programs aimed at reducing the pollution and protecting the environment
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pH is the acidity level of a substance. Really acidic substances have low pH levels where as less acidic substances have higher pH levels. High pH substances are called 'basic' Water
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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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