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11 paź 2024 · 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.
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Tsunamis can be hundreds of feet tall, and they travel very...
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El Niño is a weather pattern. In El Niño years, ocean waters...
- What is an Earthquake
An earthquake is an intense shaking of Earth’s surface. The...
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Lava fountain at Kīlauea Volcano, Hawai`i. Credit: J.D...
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A tsunami (soo-NAH-mee) is one of the world’s most powerful and destructive natural forces. They can speed across the ocean as fast as a jet plane, swallow up islands and wipe out villages. But what causes tsuamis…?
Tsunamis, often referred to as tidal waves, are a series of ocean waves, called a wave train, caused when an earthquake or other major disturbances like landslides and volcanic eruptions displace hundreds of cubic kilometers of water from its equilibrium position.
Tsunamis begin in the middle of the ocean and gain tremendous size and power by the time they reach shore. Tsunamis can wipe out entire coastal villages or towns. Earthquakes, landslides, or volcanic eruptions can trigger waves in a nearby ocean. These waves may travel for thousands of miles.
What are tsunamis? Tsunamis are large and powerful ocean waves that grow in size as they reach the shore. They can cause major damage as they rush inland flooding cities and destroying homes.
1 paź 2024 · A tsunami is a natural disaster which is a series of fast-moving waves in the ocean caused by powerful earthquakes, volcanic eruptions, landslides, or simply an asteroid or a meteor crash inside the ocean. The term "tsunami" is a borrowing from the Japanese tsunami 津波, meaning "harbour wave." A tsunami has a very long wavelength.
19 paź 2023 · 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.
