Alaska earthquakes

M3.1 earthquake 154 km E of Atka, Alaska

A magnitude 3.1 earthquake struck 154 km E of Atka, Alaska on Fri, Jan 27, 2023, 7:07 PM HAST (05:07 UTC), 71 km (44 mi) below the surface.

A larger quake followed: M4.0 108 km E 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
2023-01-28 05:07:25 UTC
Depth
71.0 km (44.1 mi), intermediate-depth
Epicenter
52.235° N, 171.941° 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 8.0 km horizontally, 29.3 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
201°, poorly surrounded by stations
Stations used
20

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.8187 km WSW of Nikolski, Alaska · 1341 days ago · 35 km deep · 37 km away
  2. 3.265 km E of Atka, Alaska · 1332 days ago · 105 km deep · 88 km away
  3. 3.1196 km ESE of Atka, Alaska · 1330 days ago · 35 km deep · 60 km away
  4. 3.1182 km SW of Nikolski, Alaska · 1330 days ago · 35 km deep · 87 km away
  5. 3.0183 km ESE of Atka, Alaska · 1326 days ago · 35 km deep · 55 km away
  6. 4.0108 km E of Atka, Alaska · 1313 days ago · 10 km deep · 46 km away
  7. 3.8128 km WSW of Nikolski, Alaska · 1286 days ago · 35 km deep · 95 km away

Before

  1. 3.6129 km WSW of Nikolski, Alaska · 1342 days ago · 54 km deep · 96 km away
  2. 3.0102 km ESE of Atka, Alaska · 1356 days ago · 27 km deep · 70 km away
  3. 3.2186 km E of Atka, Alaska · 1359 days ago · 35 km deep · 40 km away
  4. 3.378 km ESE of Atka, Alaska · 1363 days ago · 66 km deep · 86 km away
  5. 2.5142 km SW of Nikolski, Alaska · 1365 days ago · 35 km deep · 93 km away
  6. 2.9137 km ENE of Atka, Alaska · 1366 days ago · 92 km deep · 33 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jmf8 (also filed as ak0231ae2fx2, ak0231ae2fuo). Read Wed, Sep 30, 2026, 11:54 PM UTC.