M2.2 earthquake 70 km SSE of Unalaska, Alaska

A magnitude 2.2 earthquake struck 70 km SSE of Unalaska, Alaska on Thu, Nov 25, 2021, 2:20 PM AKST (23:20 UTC), 37 km (23 mi) below the surface.

A larger quake followed: M3.1 33 km SE of Akutan, 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: 181 in the 60 days after this one and 17 in the 30 days before it.

The first 60 of 181.

From the USGS Earthquake Hazards Program and its partner networks, event ak021f4hmj12. Read Wed, Sep 23, 2026, 9:18 AM UTC.