Measuring 1,578ft (481 metres) high, the tsunami ran up the wall of Tracy Arm fjord on 10 August, 2025.

HONOLULU — One of this century’s most powerful earthquakes struck off the coast of Russia and generated tsunami warnings and advisories for a broad section of the Pacific, including Alaska, Hawaii ...

Tensions have waned as tsunami advisories, watches and warnings across the West Coast have largely dropped off as of late July 30, all in the wake of an 8.8-magnitude earthquake that struck off the ...

The massive megatsunami that plowed into Alaska last year was the second-largest ever recorded. Its waves have only been ...

A new study finds that a megatsunami in Alaska pushed water more than 1,500 feet up the sides of a fjord near Juneau. Researchers say more monitoring is needed to prevent future catastrophes.