Friday, January 31, 2014

What are Earthquakes

What are Earthquakes: "An earthquake is the sudden and sometimes very violent release of energy from the movement of the earth surface. The surface is comprised of plates called tectonic plates. these plates are constantly moving into each other. As the pressure from them pushing on each other builds up, one of the plates has to give into the pressure. It can move up or down, or to one side or the other."

'via Blog this'

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