Analysis: Magnitude 7.3 Earthquake South of Sand Point, Alaska, Aftershocks Continue

The National Tsunami Warning Center issued a warning shortly after the event for zones including the Alaska Peninsula and Kodiak Island, which was downgraded later.

ALASKA — On July 16, 2025, at 12:37 PM Alaska time, a magnitude 7.3 earthquake struck 55 miles south of Sand Point at a depth of 20.1 km, triggering moderate shaking near the epicenter and light effects extending to Anchorage and Juneau.

The event occurred on the subduction zone interface between the Pacific and North American plates along the Aleutian T…