Alaska earthquakes

M2.1 earthquake 36 km E of Atka, Alaska

A magnitude 2.1 earthquake struck 36 km E of Atka, Alaska on Sun, Feb 7, 2021, 11:36 PM HAST (09:36 UTC), 156 km (97 mi) below the surface.

A larger quake followed: M4.7 37 km SSW of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.1 (ml), micro
Local time
UTC
2021-02-08 09:36:24 UTC
Depth
155.7 km (96.7 mi), intermediate-depth
Epicenter
52.134° N, 173.671° 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
14

Nearby

Within 100 km, magnitude 1.5 and up: 82 in the 60 days after this one and 32 in the 30 days before it.

After

The first 60 of 82.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0211snj7dc. Read Thu, Sep 24, 2026, 10:34 AM UTC.