Alaska earthquakes

M3.0 earthquake 10 km SE of Adak, Alaska

A magnitude 3.0 earthquake struck 10 km SE of Adak, Alaska on Thu, Feb 2, 2023, 6:31 AM HAST (16:31 UTC), 73 km (45 mi) below the surface.

A larger quake followed: M4.2 63 km WSW of Adak, 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
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-02-02 16:31:05 UTC
Depth
72.9 km (45.3 mi), intermediate-depth
Epicenter
51.793° N, 176.544° 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
3.0ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.115 · 10 stations
2.4ML, 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 9.3 km horizontally, 6.2 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
194°, poorly surrounded by stations
Stations used
20

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 114 in the 30 days before it.

After

  1. 1.851 km SE of Adak, Alaska · 1337 days ago · 21 km deep · 40 km away
  2. 1.762 km SE of Adak, Alaska · 1337 days ago · 23 km deep · 52 km away
  3. 1.947 km SE of Adak, Alaska · 1337 days ago · 51 km deep · 37 km away
  4. 1.960 km SE of Adak, Alaska · 1337 days ago · 26 km deep · 50 km away
  5. 2.089 km WSW of Adak, Alaska · 1337 days ago · 18 km deep · 91 km away
  6. 2.068 km SSW of Adak, Alaska · 1336 days ago · 37 km deep · 64 km away
  7. 1.739 km S of Adak, Alaska · 1335 days ago · 37 km deep · 32 km away
  8. 4.263 km WSW of Adak, Alaska · 1335 days ago · 71 km deep · 68 km away
  9. 2.076 km WSW of Adak, Alaska · 1335 days ago · 33 km deep · 77 km away
  10. 1.846 km SSW of Adak, Alaska · 1335 days ago · 51 km deep · 40 km away
  11. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1335 days ago · 35 km deep · 80 km away
  12. 1.857 km SE of Adak, Alaska · 1335 days ago · 28 km deep · 46 km away
  13. 1.956 km SE of Adak, Alaska · 1335 days ago · 31 km deep · 46 km away
  14. 1.991 km SW of Adak, Alaska · 1335 days ago · 32 km deep · 89 km away
  15. 2.833 km S of Adak, Alaska · 1335 days ago · 65 km deep · 27 km away
  16. 1.686 km WSW of Adak, Alaska · 1334 days ago · 13 km deep · 88 km away
  17. 1.755 km W of Adak, Alaska · 1334 days ago · 21 km deep · 62 km away
  18. 2.269 km SW of Adak, Alaska · 1333 days ago · 45 km deep · 71 km away
  19. 2.186 km WSW of Adak, Alaska · 1333 days ago · 18 km deep · 88 km away
  20. 2.889 km ESE of Adak, Alaska · 1333 days ago · 35 km deep · 80 km away
  21. 1.641 km SSE of Adak, Alaska · 1332 days ago · 34 km deep · 30 km away
  22. 1.639 km S of Adak, Alaska · 1332 days ago · 38 km deep · 30 km away
  23. 1.662 km SSE of Adak, Alaska · 1332 days ago · 22 km deep · 51 km away
  24. 1.779 km ESE of Adak, Alaska · 1332 days ago · 22 km deep · 70 km away
  25. 1.847 km S of Adak, Alaska · 1332 days ago · 26 km deep · 40 km away
  26. 1.890 km SW of Adak, Alaska · 1331 days ago · 7 km deep · 91 km away
  27. 1.758 km S of Adak, Alaska · 1331 days ago · 26 km deep · 51 km away
  28. 2.6103 km SSW of Adak, Alaska · 1331 days ago · 35 km deep · 100 km away
  29. 2.872 km NNE of Adak, Alaska · 1331 days ago · 209 km deep · 77 km away
  30. 2.864 km S of Adak, Alaska · 1331 days ago · 26 km deep · 57 km away
  31. 1.658 km SSE of Adak, Alaska · 1331 days ago · 26 km deep · 48 km away
  32. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1330 days ago · 24 km deep · 49 km away
  33. 1.788 km W of Adak, Alaska · 1329 days ago · 5 km deep · 95 km away
  34. 1.855 km SE of Adak, Alaska · 1328 days ago · 25 km deep · 45 km away
  35. 2.956 km S of Adak, Alaska · 1328 days ago · 35 km deep · 47 km away
  36. 1.790 km W of Adak, Alaska · 1328 days ago · 11 km deep · 97 km away
  37. 2.192 km W of Adak, Alaska · 1328 days ago · 9 km deep · 99 km away
  38. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1328 days ago · 27 km deep · 37 km away
  39. 2.266 km E of Adak, Alaska · 1327 days ago · 33 km deep · 60 km away
  40. 2.775 km SSW of Adak, Alaska · 1327 days ago · 32 km deep · 71 km away
  41. 2.951 km ESE of Adak, Alaska · 1327 days ago · 143 km deep · 44 km away
  42. 3.175 km SSW of Adak, Alaska · 1327 days ago · 35 km deep · 70 km away
  43. 3.191 km W of Adak, Alaska · 1324 days ago · 11 km deep · 97 km away
  44. 3.180 km SW of Atka, Alaska · 1323 days ago · 60 km deep · 99 km away
  45. 3.375 km WSW of Adak, Alaska · 1323 days ago · 97 km deep · 78 km away
  46. 1.591 km W of Adak, Alaska · 1323 days ago · 3 km deep · 97 km away
  47. 1.991 km W of Adak, Alaska · 1323 days ago · 4 km deep · 98 km away
  48. 2.190 km W of Adak, Alaska · 1323 days ago · 4 km deep · 97 km away
  49. 1.791 km W of Adak, Alaska · 1323 days ago · 4 km deep · 98 km away
  50. 3.192 km W of Adak, Alaska · 1323 days ago · 4 km deep · 99 km away
  51. 2.290 km W of Adak, Alaska · 1323 days ago · 4 km deep · 97 km away
  52. 2.290 km W of Adak, Alaska · 1323 days ago · 3 km deep · 97 km away
  53. 1.691 km W of Adak, Alaska · 1323 days ago · -2 km deep · 97 km away
  54. 2.391 km W of Adak, Alaska · 1323 days ago · 4 km deep · 97 km away
  55. 1.692 km W of Adak, Alaska · 1323 days ago · 4 km deep · 98 km away
  56. 1.591 km W of Adak, Alaska · 1323 days ago · 3 km deep · 97 km away
  57. 1.691 km W of Adak, Alaska · 1323 days ago · 4 km deep · 97 km away
  58. 1.690 km W of Adak, Alaska · 1323 days ago · 4 km deep · 97 km away
  59. 2.191 km W of Adak, Alaska · 1323 days ago · 4 km deep · 98 km away
  60. 2.190 km W of Adak, Alaska · 1323 days ago · 5 km deep · 97 km away

The first 60 of at least 201.

Before

  1. 2.064 km SW of Adak, Alaska · 1337 days ago · 47 km deep · 62 km away
  2. 1.946 km SW of Adak, Alaska · 1338 days ago · 46 km deep · 45 km away
  3. 2.956 km S of Adak, Alaska · 1338 days ago · 35 km deep · 47 km away
  4. 2.8100 km SW of Adak, Alaska · 1338 days ago · 35 km deep · 99 km away
  5. 3.371 km SSW of Adak, Alaska · 1338 days ago · 35 km deep · 68 km away
  6. 2.858 km W of Adak, Alaska · 1339 days ago · 99 km deep · 64 km away
  7. 2.675 km W of Adak, Alaska · 1339 days ago · 88 km deep · 81 km away
  8. 2.138 km E of Adak, Alaska · 1340 days ago · 67 km deep · 33 km away
  9. 3.075 km ESE of Adak, Alaska · 1340 days ago · 35 km deep · 66 km away
  10. 1.956 km SE of Adak, Alaska · 1340 days ago · 25 km deep · 45 km away
  11. 2.059 km SSE of Adak, Alaska · 1340 days ago · 25 km deep · 48 km away
  12. 2.958 km SE of Adak, Alaska · 1341 days ago · 33 km deep · 48 km away
  13. 3.767 km WSW of Adak, Alaska · 1341 days ago · 76 km deep · 70 km away
  14. 2.1Andreanof Islands, Aleutian Islands, Alaska · 1342 days ago · 100 km deep · 26 km away
  15. 1.992 km WSW of Adak, Alaska · 1342 days ago · 60 km deep · 96 km away
  16. 1.610 km S of Adak, Alaska · 1342 days ago · 73 km deep · 7 km away
  17. 1.649 km SW of Adak, Alaska · 1342 days ago · 18 km deep · 49 km away
  18. 2.254 km ENE of Adak, Alaska · 1343 days ago · 152 km deep · 53 km away
  19. 1.865 km SSE of Adak, Alaska · 1343 days ago · 22 km deep · 55 km away
  20. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1343 days ago · 25 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jnnh (also filed as ak0231iug1ks). Read Thu, Oct 1, 2026, 9:26 PM UTC.