Residents of Hawaii are breathing easier but remain cautious after tsunami waves from a powerful undersea earthquake off of Russia’s eastern coast were less severe than originally feared. Though they start thousands of miles away, tsunamis, the giant ...

The deadliest recorded tsunami in history claimed hundreds of thousands of lives after a magnitude 9.1 earthquake rocked the Indian Ocean in 2004. The National Oceanic and Atmospheric Administration (NOAA) has documented nearly 3,000 tsunamis since 1610 BC ...

HONOLULU — One of this century’s most powerful earthquakes struck off the coast of Russia and generated tsunami warnings and advisories for a broad section of the Pacific, including Alaska, Hawaii and the U.S. West Coast and as far south as New Zealand.

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 from barely noticeable ripples to waves taller than ...

Tsunami alerts lit up Siri Zama's phone on Tuesday. The 28-year-old high school teacher in Kapolei, Hawaii, fled inland. "It was raining, and the clouds got real dark. It was just a little scary. I was a little worried because everyone from here was ...

A strong 7.8 magnitude earthquake hit Russia's Kamchatka region, prompting tsunami warnings. The quake resulted in no reported damages, and follow-up inspections occurred swiftly. The U.S. National Weather Service lifted an Alaska tsunami warning.

Residents who live in red areas of the map, mostly along coastlines and harbors, are in the tsunami evacuation zone and are required to evacuate during a warning such as the one issued in July. Those in the yellow, or extreme tsunami evacuation zone, however, are not.