What causes a tsunami, and how could a powerful earthquake like the one off Russia’s coast trigger massive waves? A tsunami is a series of ocean waves caused by a sudden disturbance, usually an ...

On Wednesday morning (local time), an 8.8 magnitude earthquake struck just off the coast of eastern Russia. It was the sixth strongest earthquake on record! The great earthquake triggered tsunami ...

Tsunamis are among the most powerful and destructive natural forces on Earth. These massive surges of water form through entirely different processes than regular ocean waves, and their size can range ...

Each Yellowstone earthquake swarm is unique, lasting minutes to weeks and including a few to thousands of earthquakes that might or might not move around over time. With long-term investments in ...

After a massive earthquake off the coast of Kamchatka, a peninsula in the far east of Russia, on July 30, 2025, the world watched as the resultant tsunami spread from the epicenter and across the ...

Scientists are investigating the cause of recent regional earthquake activity that affected Kentucky over the weekend. A small 2.8 magnitude earthquake was recorded in Nicholasville in the early ...

— James Webb, Mineral Point, Wis. A Chuck DeMets, professor of geophysics at the University of Wisconsin-Madison: Most earthquakes occur when a geological fault, a fracture within the Earth’s crust, ...

Why the ground shakes under Redding and Shasta County, and why it will keep shaking. Why Redding earthquakes may feel different from Eureka's in Humboldt County. Earthquakes that shake the ground ...

Over 400 earthquakes have been recorded in Massachusetts since 1668, according to the Northeast States Emergency Consortium. Federal cuts to the U.S. Geological Survey have prompted fears of losing ...

Earthquakes are a serious hazard across Canada. There are about 4,000 earthquakes recorded across the country in a typical year, according to Earthquakes Canada, though only about 50 of them are ever ...