Alaska earthquakes

M3.1 earthquake 30 km S of Atka, Alaska

A magnitude 3.1 earthquake struck 30 km S of Atka, Alaska on Fri, Jan 13, 2023, 8:26 AM HAST (18:26 UTC), 84 km (52 mi) below the surface.

A larger quake followed: M4.3 65 km NNW of Atka, Alaska. This one was a foreshock.

More 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
3.1 (ml), minor
Local time
UTC
2023-01-13 18:26:19 UTC
Depth
84.5 km (52.5 mi), intermediate-depth
Epicenter
51.929° N, 174.273° 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 18.0 km horizontally, 23.2 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
249°, poorly surrounded by stations
Stations used
12

Nearby

Within 100 km, magnitude 1.5 and up: 55 in the 60 days after this one and 32 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 us6000jjwt (also filed as ak023lsuxk8). Read Wed, Sep 30, 2026, 10:29 AM UTC.