Earthquakes

Earthquakes What is an Earthquake? An Earthquake is the shaking of the footings coat caused by abstain movement of the earths rocky outer layer. The sudden shaking of the croup that proceeds when masses of rock change position beneath the Earths approach is called an earthquake. The shifting masses send out bump 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 detected solely by sensitive instruments called seismographs.

Others are felt as thin tremors. Some of the rest, however, cause major catastrophes. They produce such sad and dramatic effects as destroyed cities, abject dams, earth slides, giant sea waves called tsunamis, and volcanic eruptions. A rattling great earthquake usually occurs at least at a 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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