A powerful 7.8 earthquake has struck the Alaska Peninsula and a tsunami warning has been issued.

According to the U.S. Geological Survey, the 7.8 magnitude quake struck Tuesday at about 11:12 p.m. PST.

It had a depth of six miles and was centered 60 miles south-southeast of Perryville, Alaska. The tsunami warning was issued for South Alaska, the Alaska Peninsula and the Aleutian Islands.

A tsunami advisory was posted for other nearby areas.