M2.2 earthquake 75 km SSE of Igiugig, Alaska

A magnitude 2.2 earthquake struck 75 km SSE of Igiugig, Alaska on Thu, Feb 4, 2021, 10:29 AM AKST (19:29 UTC), 142 km (88 mi) below the surface.

A larger quake followed: M3.7 62 km SE of King Salmon, 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 40 in the 30 days before it.

The first 60 of 82.

From the USGS Earthquake Hazards Program and its partner networks, event ak0211m7apou. Read Mon, Sep 28, 2026, 1:48 PM UTC.