Tsunamis move the whole ocean, not just the surface. Flume tests and a rare satellite pass show how they start, how fast they ...

Tsunamis have nothing to do with the wind-generated waves we're used to seeing, or the tides—they’re a set of ocean waves caused by the rapid displacement of water. Most commonly, this happens when ...

Tsunamis pose a danger to every community across Canada's three coastlines. A tsunami is a series of large, persistent waves caused by the sudden displacement of a body of water. Earthquakes are ...

New images from a NASA satellite are giving scientists a view of tsunamis that they have never had before, revealing intricate structures in the open ocean that were previously invisible. Instead of a ...

Towering walls of water traveling at the speed of a jetliner, with coastal communities from Japan and Hawaii to South America and the U.S. West Coast in their path. That was the frightening ...

Following the major 8.8M earthquake off the coast of Russia, tsunami alerts were issued for Hawaii, Alaska and the Continental U.S. West Coast Wednesday. Evacuations were ordered as well. And that's ...

On 30 July, a magnitude 8.8 earthquake off Russia's Kamchatka Peninsula triggered a tsunami that spread across the Pacific Ocean. In addition to warnings from seismic centers and deep ocean pressure ...

A powerful offshore earthquake in northern Japan triggered tsunami warnings Monday, sending tens of thousands scrambling to higher ground. Half a world away, it raises a simple question: How do ...