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sssss Earthquakes What is an Earthquake? An Earthquake is the shaking of the states break through caused by quick movement of the earths rocky outer layer. The sudden shaking of the dirt that make passs when masses of rock change position below the Earths surface is called an earthquake. The shifting masses send out shock waves that whitethorn be powerful enough to alter the surface of the Earth, scoke up cliffs and opening commodious cracks in the ground. Earthquakes, called temblors by scientists, occur almost continuously.

Fortunately, most of them can be detected unless by sensitive instruments called seismographs. Others are felt as wasted tremors. Some of the rest, however, cause major catastrophes. They produce such tragical and dramatic effects as destroyed cities, broken dams, earth slides, giant sea waves called tsunamis, and volcanic eruptions. A very great earthquake usually occurs at least once a year in some part of the world. On the reasonable about 10,000 people ...If you want to get a plentiful essay, order it on our website: Orderessay

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