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Tsunamis can occur in any large body of water. The main reason they are more common in the Pacific is because of the large amount of tectonic activity. Tsunamis are usually caused by either an underwater earthquake, or a near water volcanic eruption. Due to the amount of volcanos in the Pacific Ocean region and the tectonic activity (which causes earthquakes) there are many more tsunamis in the Pacific than in the Atlantic.

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12y ago

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