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tsunami, catastrophic ocean wave, usually caused by a submarine earthquake, an underwater or coastal landslide, or a volcanic eruption. The term tidal wave is frequently used for such a wave, but it is a misnomer, for the wave has no connection with the tides.
A tsunami (/(t) s uː ˈ n ɑː m i, (t) s ʊ ˈ-/ (t)soo-NAH-mee, (t)suu-; [1] [2] [3] [4] from Japanese: 津波, lit. 'harbour wave', [5] pronounced) is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake.
The meaning of TSUNAMI is a great sea wave produced especially by submarine earth movement or volcanic eruption : tidal wave.
A tsunami starts with an event that displaces a large volume of water. The resulting waves spread outward radially, much like the pattern you see when you drop a rock into a pool. These wave move more quickly than wind waves and gain height when they reach shallow water.
A tsunami is a series of waves caused by earthquakes or undersea volcanic eruptions. On September 29, 2009, a tsunami caused substantial damage and loss of life in American Samoa, Samoa, and Tonga. The tsunami was generated by a large earthquake in the Southern Pacific Ocean.
Tsunamis are ocean waves triggered by: Scientists do not use the term "tidal wave" because these waves are not caused by tides. Tsunami waves are unlike typical ocean waves generated by wind and storms, and most tsunamis do not "break" like the curling, wind-generated waves popular with surfers.
A tsunami is a series of extremely long waves caused by a large and sudden displacement of the ocean, usually the result of an earthquake below or near the ocean floor. This force creates waves that radiate outward in all directions away from their source, sometimes crossing entire ocean basins.