Scientists are sharpening their warnings that a powerful tsunami triggered off the Pacific Coast could overwhelm parts of the United States in minutes, leaving little time for coastal cities to react.

The story sounds like science fiction: a hidden wave the height of a skyscraper, ricocheting inside a remote Arctic fjord and making the planet hum like a bell. Yet that is what scientists now say ...

The first tsunami waves have already struck Alaska, Japan, and Russia following an 8.8 magnitude earthquake off the coast of the Kamchatka Peninsula in the Pacific. The world’s largest in 14 years, ...

Add Yahoo as a preferred source to see more of our stories on Google. In late July, a massive 8.8-magnitude earthquake struck the Kamchatka Peninsula off the coast of Russia. And following the tremor, ...

Last week, just after an 8.8 magnitude earthquake violently shook the eastern edge of Russia, Californians were warned to gird for possible impact: a tsunami was headed across the ocean, taking aim at ...