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At 5:26 am local time on August 10, 2025, a massive wedge of rock with a volume of at least 63.5 million cubic meters detached from a mountain above Alaska’s Tracy Arm fjord. The falling rock ...

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 the early hours ...

Bretwood Higman has spent years scouring Alaska’s mountains for signs of potential landslides. One spot he looked: Tracy Arm Fjord – a popular cruise destination between Juneau and Petersburg. “I didn ...