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Earthquakes are caused by the movement of tectonic plates under the Earth's surface.

When these plates move and overlap each other then a lot of moovement is produced which results in an earthquake. Earthquakes can take place anywhere. When there is an undersea earthquake then tsunamis are caused. Due to the force produced by the movement of the tectonic plates, the sea rattles as if it is crazy and really high waves are produced. The tsunami on 24th December 2004 which hit South-Asia and South-East Asia in Indian ocean is an example of an undersea earthquake.

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15y ago

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