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'Unprecedented': Last year, Alaska had the second-tallest tsunami ever recorded, with zero warning

A wave nearly as tall as the Empire State Building tore through a Southeast Alaska fjord last year. A new study published ...

Alaska’s near-record landslide tsunami sent a wave 1,580 feet up the fjord walls – and left clues for building a warning system

Landslides are common in the coastal mountains of Alaska where rapid uplift, caused by tectonic forces and long-term ice loss ...

Ride a jet ski through a re-creation of an Alaska mega-tsunami with the help of science

The world’s second-tallest tsunami wave on record tore through the remote Tracy Arm fjord in Alaska last August, leaving ...
ZME Science

An Alaskan Mountain Collapsed and Created a 481-Meter Tsunami Taller Than Almost Every Building in the World

This aerial photo shows the north side of Alaska’s Tracy Arm Fjord in the aftermath of the 2025 landslide and tsunami. The lighter-colored rock is the exposed surface, where the mountainside collapsed ...