M2.5 earthquake 48 km ESE of Akutan, Alaska

A magnitude 2.5 earthquake struck 48 km ESE of Akutan, Alaska on Sun, Jan 17, 2021, 2:02 AM AKST (11:02 UTC), 47 km (29 mi) below the surface.

A larger quake followed: M3.4 40 km ESE of Unalaska, Alaska. This one was a foreshock.

Map

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

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: 82 in the 60 days after this one and 52 in the 30 days before it.

The first 60 of 82.

From the USGS Earthquake Hazards Program and its partner networks, event us6000dclm (also filed as ak021sap65d). Read Thu, Sep 24, 2026, 7:10 AM UTC.