A magnitude 7.3 earthquake struck Alaska on Wednesday afternoon and a tsunami warning was canceled two hours later for the Alaska Peninsula and Kodiak Island.

A major earthquake off Alaska with a preliminary magnitude of 7.2 has prompted a tsunami advisory for the state's southern peninsula.The tsunami advisory was downgraded from an initial tsunami warning Wednesday afternoon after the earthquake struck about 50 miles south of Sand Point,

An earthquake measuring magnitude 7.3 was recorded off the Alaska coast on Wednesday, July 16, according to the USGS.