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 …

4 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 …

Dec 5, 2024 · 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.

3 days ago · A powerful earthquake struck off northern Japan late Monday local time, triggering a tsunami of up to 28 inches in Pacific coast communities, the Japanese Meteorological Agency …

3 days ago · A powerful magnitude earthquake has hit off the northeastern coast of Japan, with officials warning tsunami waves could hit the country. Watch and follow live.

3 days ago · A magnitude-7.5 earthquake struck off Japan’s northeastern coast on Monday, injuring more than two dozen people and prompting authorities to issue evacuation orders for …

Oct 3, 2018 · 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 …

Tsunami waves are unlike typical ocean waves generated by wind and storms, and most tsunamis do not "break" like the curling, wind-generated waves popular with surfers. Tsunamis typically …

Jun 15, 2025 · It is a series of powerful waves, often starting small, but growing in size and strength as they approach shallow coastal waters. The term comes from the Japanese words …