Major areas of current research include determining why some large earthquakes do not generate tsunamis while other smaller ones do. This ongoing research is designed to help accurately forecast …

4 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.

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

Feb 25, 2025 · A tsunami is a series of extremely long waves caused by a large and sudden displacement of the ocean, usually the result of an earthquake below or near the ocean floor.

Jun 8, 2026 · 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 …

Oct 2, 2018 · With waves traveling 500 mph across the Indian Ocean, the tsunami hit the coastal provinces of Phang Nga and Phuket an hour and a half later. Despite the time-lapse, locals and …

Dec 14, 2015 · Tsunamis are giant, powerful waves most often caused by earthquakes beneath the ocean floor. Their incredible power can destroy entire communities, then drag the debris out to sea. …

Dec 8, 2023 · There are two main types of tsunamis: local tsunamis and distant tsunamis. Local tsunamis are relatively small and occur near the source of the earthquake, volcanic eruption, or …

Jul 30, 2025 · These awe-inspiring waves are typically caused by large, undersea earthquakes at tectonic plate boundaries. When the ocean floor at a plate boundary rises or falls suddenly, it …

Since 1850 alone, tsunamis have been responsible for the loss of over 420,000 lives and billions of dollars of damage to coastal structures and habitats. Most of these casualties were caused by local …