M3.6 earthquake 81 km W of Akhiok, Alaska

A magnitude 3.6 earthquake struck 81 km W of Akhiok, Alaska on Sun, Jan 10, 2021, 4:17 AM AKST (13:17 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M5.3 57 km WNW of Akhiok, Alaska. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 116 in the 60 days after this one and 34 in the 30 days before it.

The first 60 of 116.

From the USGS Earthquake Hazards Program and its partner networks, event ak021gr7tow (also filed as us6000d78k). Read Wed, Sep 30, 2026, 5:40 PM UTC.