Tsunami
Tsunami
A Tsunami (pronounced tsoo-NAH-mee, from Japanese: 津波, lit. 'harbor wave') 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.
Etymology
The term Tsunami is derived from the Japanese words 'tsu' meaning 'harbor' and 'nami' meaning 'wave'. The term was first used in English in an 1896 report to the Geological Society of America to describe an earthquake that occurred off the coast of Japan.
Causes
Tsunamis are often caused by earthquakes, volcanic eruptions, or landslides under the sea. They can also be caused by the impact of a large meteorite or by a nuclear explosion.
Effects
The effects of a tsunami can range from mild to devastating, depending on the size of the wave and the area it affects. Tsunamis can cause widespread destruction and loss of life, particularly in coastal areas. They can also cause significant damage to infrastructure, including buildings, roads, and bridges.
Related Terms
- Seismic wave: A wave of energy that travels through the Earth, often as the result of an earthquake or explosion.
- Tidal wave: A large ocean wave, especially one caused by an underwater earthquake or volcanic eruption.
- Earthquake: A sudden and violent shaking of the ground, often caused by movement within the Earth's crust or volcanic activity.
- Volcanic eruption: The process by which molten rock and gas escape from a volcano to the Earth's surface.
External links
- Medical encyclopedia article on Tsunami
- Wikipedia's article - Tsunami
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