Alaska earthquakes

M2.9 earthquake 118 km E of Chignik, Alaska

A magnitude 2.9 earthquake struck 118 km E of Chignik, Alaska on Mon, Oct 11, 2021, 1:22 AM AKDT (09:22 UTC), 65 km (40 mi) below the surface.

A larger quake followed: M3.5 116 km E of Chignik, Alaska. This one was a foreshock.

Sand Point forecastMore in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
2.9 (ml), micro
Local time
UTC
2021-10-11 09:22:00 UTC
Depth
65.1 km (40.5 mi), shallow
Epicenter
56.228° N, 156.501° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
28

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 188 in the 60 days after this one and 11 in the 30 days before it.

After

The first 60 of 188.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021d1u46h0 (also filed as us6000g9k7). Read Thu, Sep 24, 2026, 6:00 AM UTC.