Scientists were so staggered by Alaska’s near-record landslide tsunami that they have created a video game to better understand it.

Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea or landslides. The tallest tsunami on record - about 1,700 feet (520 meters) - also was a localized event, occurring ...

Aerial view of the August 2025 landslide and tsunami near South Sawyer Glacier in Alaska A massive 'megatsunami' wave created when part of an Alaskan mountain crumbled into the sea is the second ...

Scientists reveal how a 2025 landslide in Alaska created the second biggest tsunami in history, and how a tour boat avoided the deadly catastrophe.

The world's second-tallest tsunami wave on record tore through the remote Tracy Arm fjord in Alaska last August, leaving immense destruction in its wake. Luckily, there were no people nearby. But in ...

A magnitude-5.7 quake off Oregon led a cluster of tremors that renewed attention on one of North America's most dangerous ...