Alaska earthquakes

M3.1 earthquake 182 km SW of Nikolski, Alaska

A magnitude 3.1 earthquake struck 182 km SW of Nikolski, Alaska on Wed, Feb 8, 2023, 4:35 AM HAST (14:35 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M3.8 128 km WSW of Nikolski, 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
2023-02-08 14:35:11 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.837° N, 170.850° 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 6.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
220°, poorly surrounded by stations
Stations used
21

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 3.0183 km ESE of Atka, Alaska · 1326 days ago · 35 km deep · 53 km away
  2. 3.5117 km SW of Nikolski, Alaska · 1324 days ago · 35 km deep · 65 km away
  3. 2.8136 km SW of Nikolski, Alaska · 1315 days ago · 35 km deep · 47 km away
  4. 2.8137 km SW of Nikolski, Alaska · 1315 days ago · 35 km deep · 46 km away
  5. 3.4Fox Islands, Aleutian Islands, Alaska · 1314 days ago · 35 km deep · 69 km away
  6. 2.0112 km SW of Nikolski, Alaska · 1298 days ago · 29 km deep · 73 km away
  7. 2.7116 km SW of Nikolski, Alaska · 1292 days ago · 35 km deep · 66 km away
  8. 3.8128 km WSW of Nikolski, Alaska · 1286 days ago · 35 km deep · 71 km away
  9. 3.2123 km WSW of Nikolski, Alaska · 1279 days ago · 127 km deep · 89 km away
  10. 3.5186 km SW of Nikolski, Alaska · 1276 days ago · 35 km deep · 21 km away
  11. 2.5129 km SW of Nikolski, Alaska · 1273 days ago · 35 km deep · 54 km away

Before

  1. 3.1196 km ESE of Atka, Alaska · 1331 days ago · 35 km deep · 39 km away
  2. 2.898 km WSW of Nikolski, Alaska · 1335 days ago · 118 km deep · 96 km away
  3. 2.8119 km SW of Nikolski, Alaska · 1338 days ago · 35 km deep · 64 km away
  4. 3.0116 km SW of Nikolski, Alaska · 1338 days ago · 35 km deep · 66 km away
  5. 2.8187 km WSW of Nikolski, Alaska · 1341 days ago · 35 km deep · 60 km away
  6. 3.1154 km E of Atka, Alaska · 1342 days ago · 71 km deep · 87 km away
  7. 3.6129 km WSW of Nikolski, Alaska · 1342 days ago · 54 km deep · 66 km away
  8. 3.2128 km SW of Nikolski, Alaska · 1347 days ago · 35 km deep · 56 km away
  9. 3.9128 km SW of Nikolski, Alaska · 1350 days ago · 35 km deep · 58 km away
  10. 2.9124 km SW of Nikolski, Alaska · 1350 days ago · 35 km deep · 60 km away
  11. 3.394 km SW of Nikolski, Alaska · 1350 days ago · 35 km deep · 91 km away
  12. 3.7124 km WSW of Nikolski, Alaska · 1351 days ago · 35 km deep · 63 km away
  13. 3.5106 km SW of Nikolski, Alaska · 1352 days ago · 35 km deep · 79 km away
  14. 3.2194 km SW of Nikolski, Alaska · 1354 days ago · 10 km deep · 40 km away
  15. 3.797 km SW of Nikolski, Alaska · 1354 days ago · 52 km deep · 85 km away
  16. 3.3129 km SW of Nikolski, Alaska · 1359 days ago · 35 km deep · 57 km away
  17. 3.2186 km E of Atka, Alaska · 1360 days ago · 35 km deep · 48 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jprf (also filed as ak0231sqi4lt). Read Thu, Oct 1, 2026, 1:41 AM UTC.