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Jun 18, 2024 · Tsunami, catastrophic ocean wave usually caused by a submarine earthquake, by a landslide, or by a volcanic eruption. In deep water it travels as fast as 800 km (500 miles) per hour, with enormous wavelengths of more than 500 km (310 miles) but small wave amplitudes of about 30 to 60 cm (1 to 2 feet).
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.
3D tsunami animation. A tsunami ( / ( t) suːˈnɑːmi, ( t) sʊˈ -/ (t)soo-NAH-mee, (t)suu-; [1] [2] [3] [4] from Japanese: 津波, lit. 'harbour wave', [5] pronounced [tsɯnami]) 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.
Aug 23, 2023 · Learn what a tsunami is in science. Get the definition, explanation of how a tsunami works, and indications that one is about to occur.
A tsunami is a large wave caused by movements in Earth''s outer layer, or crust. Learn more about these big waves and how NASA monitors them.
Oct 1, 2018 · 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.
: a great sea wave produced especially by submarine earth movement or volcanic eruption : tidal wave. tsunamic. (t)su̇-ˈnä-mik. adjective. Examples of tsunami in a Sentence.
A tsunami is a vast volume of seawater in motion, extending from the surface to the ocean floor. It is a series of long-period waves created by an abrupt disturbance that displaces a large amount of water.
A tsunami is a series of ocean waves that sends surges of water, sometimes reaching heights of over 100 feet (30.5 meters), onto land. These walls of water can cause...
TSUNAMI definition: 1. an extremely large wave caused by a violent movement of the earth under the sea: 2. a very…. Learn more.
