Alaska earthquakes

M2.5 earthquake 44 km S of Unalaska, Alaska

A magnitude 2.5 earthquake struck 44 km S of Unalaska, Alaska on Wed, Jan 4, 2023, 2:21 AM AKST (11:21 UTC), 92 km (57 mi) below the surface.

A larger quake followed: M3.9 89 km ENE of Nikolski, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.5 (ml), micro
Local time
UTC
2023-01-04 11:21:08 UTC
Depth
91.9 km (57.1 mi), intermediate-depth
Epicenter
53.478° N, 166.630° 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 12.2 km horizontally, 17.0 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
190°, poorly surrounded by stations
Stations used
42

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 154 in the 60 days after this one and 78 in the 30 days before it.

After

  1. 2.149 km SW of Unalaska, Alaska · 1363 days ago · 20 km deep · 32 km away
  2. 1.972 km S of Unalaska, Alaska · 1363 days ago · 44 km deep · 28 km away
  3. 3.039 km SE of Akutan, Alaska · 1363 days ago · 64 km deep · 93 km away
  4. 2.723 km NNE of Dutch Harbor, Alaska · 1362 days ago · 81 km deep · 69 km away
  5. 2.658 km SSW of Unalaska, Alaska · 1362 days ago · 10 km deep · 21 km away
  6. 1.951 km SW of Unalaska, Alaska · 1362 days ago · 17 km deep · 30 km away
  7. 1.649 km SW of Unalaska, Alaska · 1361 days ago · 13 km deep · 29 km away
  8. 1.650 km SW of Unalaska, Alaska · 1361 days ago · 13 km deep · 26 km away
  9. 1.980 km E of Nikolski, Alaska · 1360 days ago · 56 km deep · 88 km away
  10. 3.427 km SSE of Akutan, Alaska · 1360 days ago · 79 km deep · 83 km away
  11. 1.963 km SSE of Akutan, Alaska · 1359 days ago · 45 km deep · 82 km away
  12. 2.249 km SE of Akutan, Alaska · 1359 days ago · 60 km deep · 99 km away
  13. 1.59 km ENE of Dutch Harbor, Alaska · 1359 days ago · 7 km deep · 51 km away
  14. 3.089 km SSW of Unalaska, Alaska · 1358 days ago · 35 km deep · 45 km away
  15. 3.284 km SSW of Unalaska, Alaska · 1358 days ago · 35 km deep · 40 km away
  16. 2.233 km SE of Unalaska, Alaska · 1358 days ago · 67 km deep · 38 km away
  17. 2.897 km ESE of Nikolski, Alaska · 1358 days ago · 35 km deep · 96 km away
  18. 1.880 km SSW of Unalaska, Alaska · 1358 days ago · 27 km deep · 37 km away
  19. 2.117 km SE of Akutan, Alaska · 1358 days ago · 104 km deep · 92 km away
  20. 2.2Fox Islands, Aleutian Islands, Alaska · 1357 days ago · 5 km deep · 55 km away
  21. 1.99 km NE of Dutch Harbor, Alaska · 1357 days ago · 5 km deep · 54 km away
  22. 1.69 km NE of Dutch Harbor, Alaska · 1357 days ago · 10 km deep · 53 km away
  23. 2.79 km ENE of Dutch Harbor, Alaska · 1357 days ago · 9 km deep · 53 km away
  24. 2.267 km SE of Unalaska, Alaska · 1357 days ago · 37 km deep · 53 km away
  25. 1.6Fox Islands, Aleutian Islands, Alaska · 1357 days ago · 7 km deep · 54 km away
  26. 1.899 km E of Nikolski, Alaska · 1356 days ago · 30 km deep · 89 km away
  27. 1.7100 km E of Nikolski, Alaska · 1356 days ago · 29 km deep · 81 km away
  28. 2.272 km SSE of Akutan, Alaska · 1356 days ago · 39 km deep · 90 km away
  29. 2.195 km E of Nikolski, Alaska · 1354 days ago · 52 km deep · 77 km away
  30. 2.196 km E of Nikolski, Alaska · 1354 days ago · 51 km deep · 76 km away
  31. 2.0104 km E of Nikolski, Alaska · 1354 days ago · 12 km deep · 78 km away
  32. 2.0101 km E of Nikolski, Alaska · 1354 days ago · 37 km deep · 75 km away
  33. 1.636 km SE of Unalaska, Alaska · 1354 days ago · 44 km deep · 36 km away
  34. 3.0Fox Islands, Aleutian Islands, Alaska · 1354 days ago · 12 km deep · 60 km away
  35. 1.658 km S of Akutan, Alaska · 1354 days ago · 44 km deep · 67 km away
  36. 1.957 km SSE of Akutan, Alaska · 1353 days ago · 71 km deep · 85 km away
  37. 2.069 km SSE of Akutan, Alaska · 1353 days ago · 29 km deep · 92 km away
  38. 1.574 km WSW of Unalaska, Alaska · 1353 days ago · 13 km deep · 59 km away
  39. 1.674 km SSW of Unalaska, Alaska · 1353 days ago · 48 km deep · 32 km away
  40. 1.570 km SW of Unalaska, Alaska · 1352 days ago · 13 km deep · 46 km away
  41. 3.044 km SSE of Akutan, Alaska · 1352 days ago · 100 km deep · 77 km away
  42. 1.766 km SSE of Akutan, Alaska · 1352 days ago · 48 km deep · 85 km away
  43. 1.782 km SSW of Unalaska, Alaska · 1351 days ago · 23 km deep · 38 km away
  44. 1.883 km SSW of Unalaska, Alaska · 1351 days ago · 15 km deep · 40 km away
  45. 2.885 km SSW of Unalaska, Alaska · 1351 days ago · 25 km deep · 42 km away
  46. 1.779 km SSW of Unalaska, Alaska · 1351 days ago · 47 km deep · 37 km away
  47. 2.743 km SSE of Akutan, Alaska · 1351 days ago · 61 km deep · 85 km away
  48. 1.985 km S of Unalaska, Alaska · 1350 days ago · 26 km deep · 41 km away
  49. 1.64 km NNE of Dutch Harbor, Alaska · 1349 days ago · 7 km deep · 51 km away
  50. 2.587 km SSW of Unalaska, Alaska · 1349 days ago · 28 km deep · 43 km away
  51. 1.871 km WSW of Unalaska, Alaska · 1349 days ago · 14 km deep · 56 km away
  52. 1.55 km WSW of Dutch Harbor, Alaska · 1349 days ago · 8 km deep · 44 km away
  53. 1.678 km SSW of Unalaska, Alaska · 1348 days ago · 30 km deep · 36 km away
  54. 1.875 km SSW of Unalaska, Alaska · 1348 days ago · 26 km deep · 32 km away
  55. 1.556 km SW of Unalaska, Alaska · 1347 days ago · 13 km deep · 37 km away
  56. 3.3Fox Islands, Aleutian Islands, Alaska · 1347 days ago · 35 km deep · 76 km away
  57. 2.387 km SSW of Unalaska, Alaska · 1347 days ago · 115 km deep · 50 km away
  58. 1.7Fox Islands, Aleutian Islands, Alaska · 1345 days ago · 7 km deep · 40 km away
  59. 1.858 km SSE of Akutan, Alaska · 1345 days ago · 24 km deep · 90 km away
  60. 1.991 km E of Nikolski, Alaska · 1344 days ago · 50 km deep · 79 km away

The first 60 of 154.

Before

  1. 1.7Fox Islands, Aleutian Islands, Alaska · 1364 days ago · 26 km deep · 66 km away
  2. 1.773 km WSW of Unalaska, Alaska · 1364 days ago · 9 km deep · 63 km away
  3. 1.750 km SW of Unalaska, Alaska · 1364 days ago · 13 km deep · 27 km away
  4. 3.6Fox Islands, Aleutian Islands, Alaska · 1365 days ago · 69 km deep · 82 km away
  5. 2.658 km SSW of Unalaska, Alaska · 1365 days ago · 9 km deep · 20 km away
  6. 2.192 km ENE of Nikolski, Alaska · 1366 days ago · 71 km deep · 68 km away
  7. 1.8Fox Islands, Aleutian Islands, Alaska · 1366 days ago · 60 km deep · 58 km away
  8. 3.0130 km ESE of Nikolski, Alaska · 1367 days ago · 18 km deep · 99 km away
  9. 3.059 km SSW of Unalaska, Alaska · 1367 days ago · 10 km deep · 23 km away
  10. 3.6131 km S of Unalaska, Alaska · 1367 days ago · 35 km deep · 87 km away
  11. 3.694 km SSE of Unalaska, Alaska · 1367 days ago · 39 km deep · 59 km away
  12. 1.822 km ESE of Unalaska, Alaska · 1368 days ago · 86 km deep · 48 km away
  13. 1.678 km S of Unalaska, Alaska · 1368 days ago · 41 km deep · 34 km away
  14. 2.179 km E of Nikolski, Alaska · 1368 days ago · 58 km deep · 85 km away
  15. 1.894 km SW of Unalaska, Alaska · 1369 days ago · 40 km deep · 62 km away
  16. 2.7127 km SE of Unalaska, Alaska · 1371 days ago · 10 km deep · 99 km away
  17. 1.923 km SW of Akutan, Alaska · 1372 days ago · 82 km deep · 68 km away
  18. 2.285 km SSE of Akutan, Alaska · 1372 days ago · 25 km deep · 96 km away
  19. 1.972 km SSE of Akutan, Alaska · 1372 days ago · 26 km deep · 76 km away
  20. 1.778 km SSE of Akutan, Alaska · 1372 days ago · 17 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000j5v2 (also filed as ak0236stoci). Read Tue, Sep 29, 2026, 2:41 AM UTC.