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 …

20 hours ago · A powerful earthquake hit off Japan's northern coast, triggering a tsunami alert.

Nov 11, 2025 · 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 …

20 hours ago · A powerful magnitude-7.5 earthquake struck off Japan’s northeastern coast on Monday, triggering evacuation orders and a tsunami warning for parts of the coastline.

44 minutes ago · Japan earthquake live updates: First official megaquake warning issued after 33 hurt by rare 7.5-magnitude tremor Nuclear power plants urgently carry out checks and at least …

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

19 hours ago · The 7.6-magnitude quake struck in waters off Aomori Prefecture on Japan’s main island, Honshu. It triggered a tsunami warning, which was later lifted.

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.

20 hours ago · A three-metre high tsunami is possible after a magnitude 7.2 earthquake off Japan's northern coast, the Japan Meteorological Agency said Monday.

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 …