A tsunami (/ (t) suːˈnɑːmi, (t) sʊˈ -/ (t)soo-NAH-mee, (t)suu-; [1][2][3][4] from Japanese: 津波, lit. 'harbour wave', [5] pronounced …

Your official U.S. government weather forecasts, warnings, meteorological products for forecasting the weather, tsunami hazards, …

Tsunami alerts were issued for Alaska and Hawaii on Tuesday after a major, 8.8 magnitude earthquake struck off the coast of …

Jul 12, 2026 · tsunami, catastrophic ocean wave, usually caused by a submarine earthquake, an underwater or coastal landslide, or …

Feb 25, 2025 · Tsunamis are just long waves — really long waves. But what is a wave? Sound waves, radio waves, even “the wave” …

Jul 29, 2025 · A Pacific-wide tsunami triggered by a historic underwater earthquake off the eastern coast of Russia sent walls of …

Dec 14, 2015 · Tsunamis are giant, powerful waves most often caused by earthquakes beneath the ocean floor. Their incredible …

A tsunami hitting a coastline This article lists notable tsunamis, which are sorted by the date and location that they occurred. …

Dec 8, 2023 · Tsunamis are long-period waves generated by disturbances such as earthquakes, volcanic activity, and undersea …

Jul 30, 2025 · What do tsunami warning systems mean? According to the National Weather Service, there are four levels of tsunami …