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 [tsɯnami]) is a series of waves in a water body caused by the displacement of …

17 hours ago · Track tsunamis worldwide in real-time. Live tsunami warnings, alerts, and ocean buoy data. Monitor Pacific, Atlantic, and Indian Ocean tsunami activity on 3D globe.

Jul 29, 2025 · A Pacific-wide tsunami triggered by a historic underwater earthquake off the eastern coast of Russia sent walls of water rushing toward the U.S. and impacted coastal communities in Hawaii …

Feb 25, 2025 · 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 …

2 days ago · tsunami, catastrophic ocean wave, usually caused by a submarine earthquake, an underwater or coastal landslide, or a volcanic eruption. The term tidal wave is frequently used for …

1 day ago · Tsunami-warning-level earthquakes (M6.5+, strong enough to generate tsunamis) are marked 🌊 and held on the map for a week so major events stay visible; recent smaller earthquakes …

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

Jul 30, 2025 · Tsunami alerts were issued for Alaska and Hawaii on Tuesday after a major, 8.8 magnitude earthquake struck off the coast of Russia, according to officials.

Oct 2, 2018 · The 2004 Tsunami Wiped Away Towns With ‘Mind-Boggling’ Destruction The tsunami was the deadliest in recorded history, taking 230,000 lives in a matter of hours. Dave Roos

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