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Top: Science: Earth Sciences: Natural Disasters and Hazards: Earthquakes (255)

Description

Earthquake - A sudden movement of the earth's crust caused by the release of stress accumulated along geologic faults or by volcanic activity. Also called seism, temblor.


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Last update: Apr 28, 2012 18:35:01. Phy.org is a private web site, powered by the Open Directory Project.