A magnitude 7.3 earthquake struck Wednesday afternoon just south of the northern Aleutian Islands in Alaska. The epicenter was roughly 600 miles southwest of Anchorage, Alaska. A tsunami warning was in effect for less than an hour,

A large stretch of the Alaska coast was on watch for a tsunami Wednesday after a 7.3-magintude earthquake off the Aleutian Islands, officials said

A tsunami warning that was later downgraded was issued for several coastal communities after the earthquake struck south of Sand Point.