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a huge crack in the oceans floor board that happen from mostly earthquakes but it can also hapen by landslides, volcano's, and metorites. It sends a wall of water upward and it heads to the land. and it hapens unaware so nobody really knows when it hapens. But tusnamis are really rare but still check your ocean history about where you living or staying at near the ocean and if there is nothing there is nothing to worry about.

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16y ago

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