Alaska earthquakes

M3.4 earthquake 86 km NE of Adak, Alaska

A magnitude 3.4 earthquake struck 86 km NE of Adak, Alaska on Sun, Jan 15, 2023, 8:25 PM HAST (06:25 UTC), 157 km (98 mi) below the surface.

A larger quake followed: M4.3 65 km NNW 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
3.4 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-01-16 06:25:45 UTC
Depth
157.1 km (97.6 mi), intermediate-depth
Epicenter
52.506° N, 175.896° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
3.4ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.115 · 10 stations
2.8ML, local (Richter)Alaska Earthquake CenterPreliminary

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 13.5 km horizontally, 15.8 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
145°
Stations used
19

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 40 in the 30 days before it.

After

  1. 1.514 km E of Adak, Alaska · 1352 days ago · 13 km deep · 78 km away
  2. 2.034 km ESE of Adak, Alaska · 1352 days ago · 74 km deep · 81 km away
  3. 2.572 km ESE of Adak, Alaska · 1351 days ago · 35 km deep · 96 km away
  4. 2.738 km ESE of Adak, Alaska · 1350 days ago · 62 km deep · 91 km away
  5. 2.050 km E of Adak, Alaska · 1350 days ago · 119 km deep · 68 km away
  6. 3.146 km SE of Adak, Alaska · 1348 days ago · 63 km deep · 100 km away
  7. 2.755 km NE of Adak, Alaska · 1343 days ago · 183 km deep · 33 km away
  8. 2.254 km ENE of Adak, Alaska · 1342 days ago · 152 km deep · 50 km away
  9. 1.610 km S of Adak, Alaska · 1342 days ago · 73 km deep · 96 km away
  10. 2.1Andreanof Islands, Aleutian Islands, Alaska · 1341 days ago · 100 km deep · 70 km away
  11. 2.138 km E of Adak, Alaska · 1339 days ago · 67 km deep · 72 km away
  12. 3.010 km SE of Adak, Alaska · 1337 days ago · 73 km deep · 91 km away
  13. 1.947 km SE of Adak, Alaska · 1337 days ago · 51 km deep · 98 km away
  14. 2.056 km WSW of Atka, Alaska · 1335 days ago · 68 km deep · 93 km away
  15. 2.872 km NNE of Adak, Alaska · 1330 days ago · 209 km deep · 15 km away
  16. 3.566 km W of Atka, Alaska · 1328 days ago · 86 km deep · 59 km away
  17. 2.266 km E of Adak, Alaska · 1327 days ago · 33 km deep · 78 km away
  18. 2.951 km ESE of Adak, Alaska · 1326 days ago · 143 km deep · 80 km away
  19. 3.180 km SW of Atka, Alaska · 1323 days ago · 60 km deep · 100 km away
  20. 1.967 km WSW of Atka, Alaska · 1323 days ago · 26 km deep · 81 km away
  21. 2.972 km ENE of Adak, Alaska · 1322 days ago · 162 km deep · 34 km away
  22. 4.365 km NNW of Atka, Alaska · 1321 days ago · 216 km deep · 99 km away
  23. 1.770 km ESE of Adak, Alaska · 1321 days ago · 26 km deep · 89 km away
  24. 3.357 km ESE of Adak, Alaska · 1319 days ago · 65 km deep · 89 km away
  25. 3.928 km WNW of Atka, Alaska · 1319 days ago · 215 km deep · 93 km away
  26. 2.7Andreanof Islands, Aleutian Islands, Alaska · 1316 days ago · 20 km deep · 83 km away
  27. 2.949 km ENE of Adak, Alaska · 1315 days ago · 162 km deep · 57 km away
  28. 2.86 km NE of Adak, Alaska · 1313 days ago · 3 km deep · 80 km away
  29. 2.068 km ENE of Adak, Alaska · 1300 days ago · 121 km deep · 35 km away
  30. 2.6Andreanof Islands, Aleutian Islands, Alaska · 1298 days ago · 77 km deep · 86 km away
  31. 1.76 km ENE of Adak, Alaska · 1297 days ago · 7 km deep · 81 km away

Before

  1. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1356 days ago · 13 km deep · 65 km away
  2. 2.188 km E of Adak, Alaska · 1356 days ago · 55 km deep · 87 km away
  3. 2.4Andreanof Islands, Aleutian Islands, Alaska · 1356 days ago · 161 km deep · 48 km away
  4. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1357 days ago · 71 km deep · 81 km away
  5. 3.2Andreanof Islands, Aleutian Islands, Alaska · 1357 days ago · 234 km deep · 13 km away
  6. 3.247 km WSW of Atka, Alaska · 1357 days ago · 101 km deep · 92 km away
  7. 3.438 km NW of Atka, Alaska · 1357 days ago · 202 km deep · 90 km away
  8. 1.761 km ESE of Adak, Alaska · 1359 days ago · 30 km deep · 98 km away
  9. 2.142 km E of Adak, Alaska · 1360 days ago · 119 km deep · 70 km away
  10. 2.847 km ENE of Adak, Alaska · 1362 days ago · 131 km deep · 60 km away
  11. 3.172 km WSW of Atka, Alaska · 1362 days ago · 105 km deep · 77 km away
  12. 1.844 km ENE of Adak, Alaska · 1362 days ago · 6 km deep · 51 km away
  13. 2.759 km NNE of Adak, Alaska · 1362 days ago · 203 km deep · 27 km away
  14. 1.648 km ENE of Adak, Alaska · 1363 days ago · 7 km deep · 48 km away
  15. 2.067 km E of Adak, Alaska · 1363 days ago · 33 km deep · 83 km away
  16. 3.337 km ENE of Adak, Alaska · 1363 days ago · 126 km deep · 60 km away
  17. 3.317 km SE of Adak, Alaska · 1364 days ago · 70 km deep · 89 km away
  18. 1.549 km ENE of Adak, Alaska · 1364 days ago · 9 km deep · 46 km away
  19. 1.646 km ENE of Adak, Alaska · 1366 days ago · 7 km deep · 51 km away
  20. 2.656 km N of Adak, Alaska · 1367 days ago · 204 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jkge (also filed as ak023qkbmoo). Read Thu, Oct 1, 2026, 11:04 AM UTC.