Add Yahoo as a preferred source to see more of our stories on Google. One of the most powerful earthquakes ever recorded has resulted in authorities in Hawaii and California issuing tsunami warnings ...

Towering walls of water traveling at the speed of a jetliner, with coastal communities from Japan and Hawaii to South America and the U.S. West Coast in their path. That was the frightening ...

An estimated 8.8 magnitude earthquake struck off Russia's coast, triggering tsunami alerts in nearly a half dozen U.S. Pacific Coast states, where booming waves − some documented as high as 15 feet – ...