Scientists are renewing warnings about mega-tsunami risk to three US coastlines — the Pacific Northwest, Alaska, and Hawaii.

New satellite images are helping scientists understand a major tsunami that changed the landscape of a popular tourist ...

If you’re one of the roughly 1.6 million people who took a cruise in Alaska last year, chances are you sailed through the ...

The second largest tsunami in history struck an Alaska fjord after a mountain slope suddenly collapsed in the Tracy Arm ...

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

By chance a tour boat avoided a deadly tsunami set off by the retreat of Alaska's coastal glaciers. Scientists are working to ...

Carved over millennia by the pressure and motion of glacial ice, the valley walls cradling the Tracy Arm fjord in southeast ...

Tracy Arm, a narrow inlet with steep walls, sits at the edge of two glaciers. Both are fed by the nearby Stikine ice field, ...

A three-meter (9.8-foot) tsunami warning was issued for Japan on Monday after a strong 7.4 magnitude earthquake struck off the northeastern coast, according to the Japan Meteorological Agency and the ...

An earthquake with a magnitude of 7.4 struck off Japan's northern coast, prompting a temporary tsunami alert across the region.