The giant earthquake was recorded at 12:37 p.m. local time, southeast of Sand Point, a community located on Popof Island in the Aleutian Chain.

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

The National Weather Service has lifted a tsunami advisory for communities on the Alaska Peninsula and Kodiak Island after a magnitude 7.3 earthquake struck about 55 miles south of Sand Point. The advisory was lifted at 2:43 p.m. Wednesday.