Alaska earthquakes

M2.6 earthquake 144 km NE of Atka, Alaska

A magnitude 2.6 earthquake struck 144 km NE of Atka, Alaska on Mon, Dec 14, 2020, 9:11 AM HAST (19:11 UTC), 145 km (90 mi) below the surface.

A larger quake followed: M3.4 101 km ENE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.6 (ml), micro
Local time
UTC
2020-12-14 19:11:36 UTC
Depth
144.6 km (89.8 mi), intermediate-depth
Epicenter
52.953° N, 172.467° 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.

Location uncertainty
About 14.3 km horizontally, 23.2 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
173°
Stations used
23

Nearby

Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000d21l (also filed as ak020g1hxtyk). Read Mon, Sep 28, 2026, 6:37 PM UTC.