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Tsunamis happen in coastal areas. The tsunami is a huge wave generated by an under-sea earthquake. The quake pushes a piece of the earth upwards, which triggers a deep wave to form. As the wave nears the coast, the front of the wave slows down as the water reaches land. However - the back of that makes the wave 'rear up' to perhaps fifty feet or more in height.

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∙ 12y ago
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