But the danger appeared to be waning in some places, with the US state of Hawaii and Japan downgrading their warnings.

The small Northern California community of Crescent City turned on its tsunami sirens to warn residents about possible waves.

Fears of a devastating tsunami faded Wednesday for the U.S. after one of the strongest earthquakes ever recorded struck off ...

An 8.8-magnitude earthquake, one of the largest in the past century, struck off the coast of Russia this week, prompting ...

An 8.8 magnitude earthquake struck off the eastern coast of Russia on Tuesday, triggering a tsunami wave that raced across ...