Tectonic plates cause tsunamis mainly through sudden movements along subduction zones, where one plate dives beneath another.

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 ...

What Is a Tsunami and How Does It Form? A tsunami is a series of ocean waves caused by a sudden disturbance, usually an underwater earthquake, that pushes a large amount of water up or down. Most ...

An 8.8 magnitude earthquake hit Russia's eastern coast overnight. This is the sixth strongest quake ever recorded. The first waves hit Russia and Japan, where nearly two million people were evacuated.

Tsunami means “harbor wave” in Japanese, but they differ from other waves that are generated by the wind or solar system. Tsunami waves move the entire depth of the ocean, down to the floor, which is ...

Understanding tsunamis after pacific warnings After Tuesday's widespread tsunami warnings across the Pacific, including Hawaii and parts of the U.S. West Coast, many are asking: How do tsunamis form, ...

A massive earthquake, one of the largest in the last century, has generated a tsunami advisory for much of the West Coast, as well as alerts for Alaska and many Pacific islands. What to know about ...

A powerful 8.8 magnitude earthquake struck off Russia’s Kamchatka Peninsula on July 29, 2025, prompting widespread tsunami warnings across the Pacific. From Japan and Hawaii to the U.S. West Coast, ...

The earthquake that hit a Russian island was among the most powerful ever recorded, and forecasters immediately feared it could spur cataclysmic walls of water thousands of miles away in Hawaii, ...

Following the major 8.8M earthquake in Russia, tsunami alerts were issued for Hawaii, Alaska and the Continental U.S. West Coast Wednesday. Following the major 8.8M earthquake in Russia, tsunami ...