The entire northern face of Mount St. Helens gave way on the morning of May 18, 1980 ...
Across our warming world, the ground is growing less stable. Nowhere is the problem more evident than in Alaska, where one ...
A new analysis offers a rare glimpse into how the catastrophic landslide and roughly 1,578-foot tsunami wave looked as it ...
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 ...
The narrow sea inlet, nestled within the Tongass National Forest and famed for its towering granite cliffs, waterfalls, and glaciers, witnessed the tsunami surge violently, stripping vegetation from ...