Science Fair Project Encyclopedia
Hypocenter
The hypocenter or hypocentreor (literally: 'below the center' from the Greek υπόκεντρον), also known as the focus, is the point inside the Earth where an earthquake originates. It is directly below the epicenter at a depth known as the focal depth.
The term hypocenter also refers to the point on the surface of the earth directly below the air burst of a nuclear detonation. In this context, the term "ground zero" is synonymous with hypocenter.
06-01-2009 23:10:21
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details