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What Causes a Tsunami?
March 3, 2011 | Geology.com

A tsunami is a large ocean wave that is caused by sudden motion of the ocean floor. This sudden motion could be an earthquake, a powerful volcanic eruption, an underwater landslide or the impact of a large meteorite.


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Evidence of Plate Tectonics on Mars?
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Tsunami Planning in California
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Indian Ocean Tsunami Early Warning System
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