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An earthquake is a sudden,violent shaking  of earth's surface.It is caused when two or more tectonic plates move slightly.When this happens, disturbances are produced in the earth’s crust, which lead to an earthquake on the surface of the Earth
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The Earth;s surface is made of many pieces called plates which drift on red hot runny rock below  called mantle .Sometimes two pieces push and shove each other making the Earth shake.Sometimes volcano also cause earthquakes but these earth quakes r not dangerous than normal earthquakes.Thank u
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