Earthquakes

Earthquakes What is an Earthquake? An Earthquake is the shaking of the footings coat caused by devalued movement of the earths rocky outer layer. The sudden shaking of the prat that proceeds when masses of rock change position on a lower floor the Earths issue is called an earthquake. The shifting masses send out cuff waves that may be powerful enough to alter the surface of the Earth, laggard up cliffs and opening vast cracks in the ground. Earthquakes, called temblors by scientists, occur almost continuously. Fortunately, most of them can be observe solely by sensitive instruments called seismographs.

Others are felt as thin tremors. Some of the rest, however, cause major catastrophes. They produce much(prenominal) sad and dramatic effects as destroyed cities, depleted dams, earth slides, giant sea waves called tsunamis, and volcanic eruptions. A genuinely great earthquake usually occurs at least one time a year in some part of the world. On the intermediate about 10,000 people ...If you want to get a fully essay, order it on our website: OrderCustomPaper.com

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