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Megatsunami

Megatsunami (often hyphenated as mega-tsunami, also known as iminami or "wave of purification") is an informal term used by popular media and popular science to describe a very large tsunami-like wave significantly beyond the size reached by tsunamis (typically around 10 meters).

Note:   The above text is excerpted from the Wikipedia article "Megatsunami", which has been released under the GNU Free Documentation License.
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July 29, 2015

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