In the early morning hours of August 10, 2025, a massive landslide caused at least 2.3 billion cubic feet of rock—roughly 24 times the volume of the Great Pyramid of Giza—to plummet into Tracy Arm ...

Last summer, a massive landslide slid into a fjord south of Juneau, Alaska, producing an enormous surge of water that ran up the opposite hillside and sped down the channel, scraping off trees and ...

Dangerous landslide-triggered tsunamis linked to receding glaciers — which are shrinking globally due to climate change — are on the rise in Alaska.

South Sawyer Glacier at the end of Tracy Arm Fjord, where the second-largest tsunami on record occurred. Photo Credit: Alexandre.ROSA/Shutterstock.com A tsunami ...

New research demonstrates shipborne navigation systems have potential to improve tsunami detection and warning. Landslide-generated tsunamis pose a serious risk to coastal communities, particularly ...

Researchers studying a massive landslide in Alaska have detected strange seasonal seismic pulses caused by water freezing and thawing in rock cracks. These faint signals could become an important ...

In the spring of 2024, a group of scientists attending a national seismology conference in Anchorage purposely sailed into danger. Chartering a tour boat, they sailed into Prince William Sound and ...

JUNEAU, Alaska – Just last year, a massive landslide in Alaska triggered a megatsunami that researchers have now mapped and analyzed—identifying it as the second-highest tsunami wave ever recorded. In ...