Henrik Norlén
Tomas
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Learn what tsunamis are, how they are formed by underwater earthquakes or other events, and how they can cause devastation on land. Find out how to recognize the signs of a tsunami and how to stay safe with the Pacific Tsunami Warning System.
- 3 min
A tsunami (/(t) s uː ˈ n ɑː m i, (t) s ʊ ˈ-/ (t)soo-NAH-mee, (t)suu-; from Japanese: 津波, lit. 'harbour wave', 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.
May 13, 2024 · Learn what a tsunami is, how it is caused by earthquakes, landslides, or volcanoes, and how it affects coastlines and people. Explore the history, science, and examples of some of the worst tsunamis in history.
- The Editors of Encyclopaedia Britannica
Apr 2, 2007 · Learn how tsunamis are formed by underwater earthquakes, landslides, or volcanic eruptions, and how they can travel across oceans and cause devastating damage. Find out what the warning signs are and how to respond when a tsunami threatens.
- 1 min
- National Geographic Staff
Learn how tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea. Find out how they travel, how they affect different ocean depths, and why they are not tidal waves.
Check the latest alerts, observations, forecasts and water-level stations for tsunami activity in the U.S. and around the world. No tsunami warning, advisory, watch or threat is in effect as of 5/3/2024, 2:29:31 AM.
