Tsunamis 101 | National Geographic

Tsunamis are giant, powerful waves most often caused by earthquakes beneath the ocean floor. Their incredible power can destroy entire communities, then drag the debris out to sea. This video shows what causes tsunamis and the importance of evacuating any area under a tsunami alert.
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Tsunamis 101 | National Geographic
https://youtu.be/_oPb_9gOdn4

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