M2.3 earthquake 116 km E of Chignik, Alaska

A magnitude 2.3 earthquake struck 116 km E of Chignik, Alaska on Mon, Oct 11, 2021, 11:04 AM AKDT (19:04 UTC), 69 km (43 mi) below the surface.

A larger quake followed: M3.1 115 km E of Chignik, 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: 136 in the 60 days after this one and 63 in the 30 days before it.

The first 60 of 136.

From the USGS Earthquake Hazards Program and its partner networks, event ak021d1zys1h. Read Tue, Sep 22, 2026, 8:36 PM UTC.