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 ...

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 ...

Researchers in Greenland used a 10-kilometer fiber-optic cable to track how iceberg calving stirs up warm seawater. The ...

An optic cable laid on the seafloor near a South Greenland glacier recorded the massive number of iceberg breakups and the ...

Tsunami alerts were issued across much of the Pacific on Wednesday after an 8.8 magnitude earthquake off Russia's far east. A tsunami is a shock of water that spreads through the sea, usually ...

Tsunamis are devastating natural disasters caused by underwater earthquakes, volcanic eruptions, or landslides that send massive waves crashing onto coastlines. The 2004 Indian Ocean tsunami remains ...

SAN FRANCISCO — A small California coastal city near the border with Oregon that has recorded dozens of tsunamis, including one that killed 11 people more than 60 years ago, saw little damage ...

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, ...