The first waves reached Alaska and Hawaii early Wednesday morning, with other Western U.S. states bracing for impact ...

A major earthquake with a preliminary magnitude of 7.3 initially triggered a tsunami warning for the southern Alaska Peninsula. It was later downgraded to an advisory.

Communities along a 700-mile (1,127-km) stretch of Alaska’s southern coast ordered residents to higher ground after a powerful offshore earthquake Wednesday, but officials quickly downgraded and ...

The National Tsunami Warning Center issued a tsunami warning for parts of Alaska’s Aleutian Islands, and a watch for portions ...