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  1. en.wikipedia.org › wiki › TsunamiTsunami - Wikipedia

    The term "tsunami" is a borrowing from the Japanese tsunami 津波, meaning "harbour wave."For the plural, one can either follow ordinary English practice and add an s, or use an invariable plural as in the Japanese. Some English speakers alter the word's initial /ts/ to an /s/ by dropping the "t," since English does not natively permit /ts/ at the beginning of words, though the original ...

  2. 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 widespread destruction when ...

  3. Dec 14, 2015 · Tsunamis are giant, powerful waves most often caused by earthquakes beneath the ocean floor. Their incredible power can destroy entire communities, then drag...

  4. Jun 18, 2024 · Perhaps the most destructive tsunami in recorded history was the Indian Ocean Tsunami of 2004.A 9.1-magnitude earthquake occurred off the coast of Sumatra in Indonesia. Waves as high as 30 feet (9 metres) struck the eastern coasts of India and Sri Lanka—some 750 miles (1,200 km) away—and traveled more than 1,800 miles (3,000 km) to East Africa.

  5. Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea. They speed along as fast as jet planes. As they near land, these waves rear up to great heights and can drown whole islands. Historically tsunamis have been referred to as tidal waves, but that name is discouraged by oceanographers because tides have little effect on tsunamis.

  6. Apr 2, 2007 · A tsunami is a series of great sea waves caused by an underwater earthquake, landslide, or volcanic eruption. More rarely, a tsunami can be generated by a giant meteor impact with the ocean.

  7. Your official U.S. government weather forecasts, warnings, meteorological products for forecasting the weather, tsunami hazards, and information about seismology.

  8. Tsunamis are just long waves — really long waves. But what is a wave? Sound waves, radio waves, even “the wave” in a stadium all have something in common with the waves that move across oceans. It takes an external force to start a wave, like dropping a rock into a pond or waves blowing across the sea. In the case of tsunamis, the forces involved are large — and their

  9. Jan 15, 2022 · A tsunami has hit Tonga’s largest island, Tongatapu, and reportedly sent waves flooding into the capital of Nuku’alofa.; Ash was falling from the sky in Nuku’alofa on Saturday evening and ...

  10. Oct 15, 2008 · Find out how a tsunami is born and how it destroys.See All National Geographic Videos http://video.nationalgeographic.com/video/?source=4001 Subscribe: http...

  11. June 9, 2011 — The March 11 earthquake and tsunami left more than 28,000 dead or missing. See incredible footage of the tsunami swamping cities and turning b...

  12. Jul 9, 2024 · Tsunami is a Japanese word that means "harbor wave." It is a large wave caused by movements in Earth's outer layer, or crust, which move ocean water. For example, an earthquake or a volcano in the ocean could cause a tsunami.. Earth's crust is made up of pieces called tectonic plates.An earthquake happens when these plates push against each other so hard that one of them slips or breaks.

  13. Tsunamis are ranked among the world’s most destructive forces. But what are they, and how are they generated?

  14. Aug 15, 2023 · Tsunamis are a series of long waves generated by a large and sudden displacement of the ocean. Large earthquakes below or near the ocean floor are the most common cause, but landslides, volcanic activity, certain types of weather, and meteorites can also cause a tsunami.

  15. Jan 14, 2005 · The Indian Ocean tsunami generated by the most powerful earthquake in decades on December 26 is believed to have killed more than 150,000 people and made millions homeless, making it perhaps the ...

  16. Dec 24, 2004 · Tsunami is a set of ocean waves caused by any large, abrupt disturbance of the sea-surface. If the disturbance is close to the coastline, local tsunamis can demolish coastal communities within minutes.

  17. Jan 1, 2024 · Tsunami warnings were issued after 7.6-magnitude tremors in Japan's central region on Monday.

  18. Tsunamis are ocean waves triggered by:Large earthquakes that occur near or under the oceanVolcanic eruptionsSubmarine landslidesOnshore landslides in which large volumes of debris fall into the water 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 ...

  19. Oct 19, 2023 · In Japanese, tsunami means "harbor wave." Tsunamis are ocean waves triggered by an earthquake, volcano, or other movement of the ocean floor.Potentially imperceptible in deep water, a . tsunami increases in height as it encounters the shallow waters of shore, often leading to extensive wreckage and loss.

  20. Mar 13, 2021 · Animation of a tsunami. Credits: NOAA On December 26, 2004, an earthquake off the coast of Sumatra, Indonesia, brought waves of up to 100 feet to coastal communities in the region, resulting in the deaths of over 200,000 people in 14 countries, making it one of the deadliest disasters in recorded history.On March 11, 2011, an earthquake off the coast of Tohoku, Japan, caused tsunami waves that ...

  21. Jan 1, 2024 · A 7.5 magnitude earthquake struck western Japan on Monday, triggering tsunami warnings and leaving at least four people dead. Follow here for live news updates.

  22. Feb 28, 2017 · The 2011 earthquake off the Pacific coast of Tōhoku (東北地方太平洋沖地震 Tōhoku-chihō Taiheiyō Oki Jishin?) was a magnitude 9.0–9.1 (Mw) undersea megathrust earthquak...

  23. The latest tsunami information in Japan, with maps showing tsunami warning and advisory areas, as well as estimated heights and arrival times.

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