Alaska earthquakes

M2.9 earthquake 196 km SSE of Atka, Alaska

A magnitude 2.9 earthquake struck 196 km SSE of Atka, Alaska on Wed, Feb 8, 2023, 10:25 AM HAST (20:25 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.5 158 km S of Atka, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.9 (ml), micro
Local time
UTC
2023-02-08 20:25:05 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.605° N, 172.985° 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 9.8 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
311°, poorly surrounded by stations
Stations used
11

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 3.3208 km SSE of Atka, Alaska · 1319 days ago · 10 km deep · 23 km away
  2. 3.4184 km SSE of Atka, Alaska · 1309 days ago · 10 km deep · 29 km away
  3. 3.2140 km SSE of Atka, Alaska · 1307 days ago · 10 km deep · 56 km away
  4. 3.1163 km S of Atka, Alaska · 1307 days ago · 10 km deep · 85 km away
  5. 3.5158 km S of Atka, Alaska · 1294 days ago · 10 km deep · 77 km away
  6. 2.7172 km S of Atka, Alaska · 1293 days ago · 10 km deep · 58 km away
  7. 2.8121 km SSE of Atka, Alaska · 1293 days ago · 10 km deep · 76 km away
  8. 2.6128 km S of Atka, Alaska · 1292 days ago · 10 km deep · 93 km away
  9. 2.9112 km SE of Atka, Alaska · 1292 days ago · 35 km deep · 88 km away
  10. 3.0Andreanof Islands, Aleutian Islands, Alaska · 1274 days ago · 10 km deep · 20 km away

Before

  1. 3.1187 km SSE of Atka, Alaska · 1331 days ago · 10 km deep · 14 km away
  2. 2.3123 km SSE of Atka, Alaska · 1331 days ago · 20 km deep · 76 km away
  3. 4.3177 km SSE of Atka, Alaska · 1331 days ago · 10 km deep · 27 km away
  4. 3.1172 km S of Atka, Alaska · 1333 days ago · 10 km deep · 55 km away
  5. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1333 days ago · 10 km deep · 53 km away
  6. 3.2162 km SSE of Atka, Alaska · 1334 days ago · 10 km deep · 34 km away
  7. 2.9Andreanof Islands, Aleutian Islands, Alaska · 1336 days ago · 10 km deep · 70 km away
  8. 3.6213 km SSE of Atka, Alaska · 1338 days ago · 10 km deep · 28 km away
  9. 2.9113 km SSE of Atka, Alaska · 1339 days ago · 10 km deep · 84 km away
  10. 3.0153 km S of Atka, Alaska · 1341 days ago · 10 km deep · 82 km away
  11. 3.2204 km SSE of Atka, Alaska · 1342 days ago · 10 km deep · 16 km away
  12. 3.0194 km SSE of Atka, Alaska · 1342 days ago · 10 km deep · 8 km away
  13. 2.7134 km S of Atka, Alaska · 1342 days ago · 10 km deep · 90 km away
  14. 5.1208 km SSE of Atka, Alaska · 1343 days ago · 29 km deep · 25 km away
  15. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1347 days ago · 10 km deep · 47 km away
  16. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1352 days ago · 10 km deep · 19 km away
  17. 2.7195 km S of Atka, Alaska · 1359 days ago · 10 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jphs (also filed as ak0231su0kpe). Read Wed, Sep 30, 2026, 4:12 PM UTC.