Dec 5, 2024 · Your official U.S. government weather forecasts, warnings, meteorological products for forecasting the weather, tsunami hazards, and information about seismology.

Unlike normal ocean waves, which are generated by wind, or tides, which are in turn generated by the gravitational pull of the Moon and the Sun, a tsunami is generated by the displacement of water from a large event. Tsunami waves do not resemble normal undersea currents or sea waves because their wavelength is far longer. [7] .

Each of the Tsunami Warning Centers has its own designated service areas for which they are responsible for preparing and issuing tsunami messages. The National Tsunami Warning Center in Palmer, Alaska, serves the continental United States, Alaska and Canada.

NOAA's two tsunami warning centers are staffed 24 hours a day, 7 days a week. The main mission of the warning centers is to help protect life and property from tsunamis.

These destructive surges of water are caused by underwater earthquakes. A tsunami is a series of ocean waves that sends surges of water, sometimes reaching heights of over 100 feet (30.5 meters),...

Dec 6, 2024 · About 80% of all known tsunamis are triggered by earthquakes. These seismic events move Earth's surface, displacing the water above and generating waves that rapidly travel in all directions across the ocean or body of water. Not all earthquakes create tsunamis.

Detailed information on the U.S. National Weather Service tsunami warning centers and activities is available at: https://www.tsunami.gov/

Apr 19, 2016 · What is a tsunami? A tsunami is one of the most powerful and destructive natural forces. It is a series of waves caused by a large and sudden displacement of the ocean. Tsunamis are a serious threat to life and property.

For current tsunami information, visit U.S. Tsunami Warning System. Current research improves measurement technology, increases the speed and accuracy of operational forecast models, and investigates methods to asses and predict tsunami impact …

Dec 26, 2024 · What is a tsunami? A tsunami is a catastrophic ocean wave, usually caused by a submarine eruption. Waves radiate outward from the generating impulse at speeds of up to 500 miles (800 km) per hour, reaching maximum heights of 100 feet (30 metres) near coastal areas.