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What is tsunami?
The term tsunami has its origins in the Japanese language; an English equivalent is "seismic sea waves.
It can be caused by a few different means: 1) the down drop or upthurst of the Earth’s crust which results in an earthquake; 2) a large-scale undersea landslide; 3) a submarine volcanic eruption of a certain degree; or potentially, 4) a large meteor impact at sea. The vast majority of tsunamis result from earthquakes.


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