7.3-magnitude earthquake strikes off the coast of Alaska

A 7.3 magnitude earthquake struck near Sand Point, Alaska, on Wednesday, prompting a tsunami warning from the National Weather Service. The warning was later downgraded to an advisory, according to the agency. Sand Point is located on northwestern Popof Island, off the Alaska Peninsula.

Videos posted to social media showed people in the town of Seward evacuating to higher ground after receiving a tsunami warning in the afternoon. The alert followed the earthquake that struck about 50 miles south of Sand Point, Alaska, at around 12:38 p.m. local time, according to the National Weather Service.

On July 16, 2025, at 12:37 PM Alaska time, a magnitude 7.3 earthquake struck offshore of the Alaska Peninsula region (Figure 1), two years after a previous magnitude 7.2. This area has been active over the past several years with a series of earthquakes of magnitude 7 or greater (Figure 2).