M2.4 earthquake 137 km ESE of Chignik, Alaska

A magnitude 2.4 earthquake struck 137 km ESE of Chignik, Alaska on Sun, Nov 28, 2021, 10:37 AM AKST (19:37 UTC), 45 km (28 mi) below the surface.

A larger quake followed: M4.8 113 km SSE 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: 53 in the 60 days after this one and 46 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ak021f9dyhg8. Read Sat, Sep 26, 2026, 8:55 PM UTC.