Alaska earthquakes

M1.6 earthquake 86 km WSW of Adak, Alaska

A magnitude 1.6 earthquake struck 86 km WSW of Adak, Alaska on Sun, Feb 5, 2023, 12:39 AM HAST (10:39 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M5.0 121 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
1.6 (ml), micro
Local time
UTC
2023-02-05 10:39:56 UTC
Depth
13.1 km (8.1 mi), shallow
Epicenter
51.498° N, 177.731° 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.

Stations used
24

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 103 in the 30 days before it.

After

  1. 2.1121 km SW of Adak, Alaska · 1333 days ago · 25 km deep · 38 km away
  2. 2.7127 km SW of Adak, Alaska · 1333 days ago · 35 km deep · 46 km away
  3. 1.755 km W of Adak, Alaska · 1333 days ago · 21 km deep · 48 km away
  4. 2.3179 km WSW of Adak, Alaska · 1333 days ago · 31 km deep · 94 km away
  5. 2.3142 km WSW of Adak, Alaska · 1333 days ago · 13 km deep · 62 km away
  6. 2.269 km SW of Adak, Alaska · 1332 days ago · 45 km deep · 19 km away
  7. 2.186 km WSW of Adak, Alaska · 1332 days ago · 18 km deep · 5 km away
  8. 2.2165 km WSW of Adak, Alaska · 1332 days ago · 22 km deep · 80 km away
  9. 2.7145 km WSW of Adak, Alaska · 1332 days ago · 18 km deep · 60 km away
  10. 2.1141 km WSW of Adak, Alaska · 1331 days ago · 22 km deep · 55 km away
  11. 1.641 km SSE of Adak, Alaska · 1331 days ago · 34 km deep · 94 km away
  12. 2.0139 km WSW of Adak, Alaska · 1331 days ago · 25 km deep · 54 km away
  13. 1.639 km S of Adak, Alaska · 1331 days ago · 38 km deep · 79 km away
  14. 1.847 km S of Adak, Alaska · 1330 days ago · 26 km deep · 73 km away
  15. 2.5111 km SW of Adak, Alaska · 1330 days ago · 31 km deep · 37 km away
  16. 2.8135 km SW of Adak, Alaska · 1330 days ago · 35 km deep · 51 km away
  17. 2.1119 km SW of Adak, Alaska · 1330 days ago · 5 km deep · 37 km away
  18. 1.890 km SW of Adak, Alaska · 1330 days ago · 7 km deep · 9 km away
  19. 1.758 km S of Adak, Alaska · 1330 days ago · 26 km deep · 69 km away
  20. 2.6103 km SSW of Adak, Alaska · 1330 days ago · 35 km deep · 50 km away
  21. 2.1143 km WSW of Adak, Alaska · 1330 days ago · 26 km deep · 57 km away
  22. 2.864 km S of Adak, Alaska · 1329 days ago · 26 km deep · 73 km away
  23. 1.658 km SSE of Adak, Alaska · 1329 days ago · 26 km deep · 99 km away
  24. 1.788 km W of Adak, Alaska · 1328 days ago · 5 km deep · 42 km away
  25. 2.956 km S of Adak, Alaska · 1327 days ago · 35 km deep · 87 km away
  26. 2.1139 km SW of Adak, Alaska · 1327 days ago · 33 km deep · 55 km away
  27. 1.790 km W of Adak, Alaska · 1327 days ago · 11 km deep · 41 km away
  28. 2.794 km W of Adak, Alaska · 1327 days ago · 11 km deep · 47 km away
  29. 2.192 km W of Adak, Alaska · 1327 days ago · 9 km deep · 43 km away
  30. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1327 days ago · 27 km deep · 85 km away
  31. 2.1124 km WSW of Adak, Alaska · 1327 days ago · 25 km deep · 40 km away
  32. 1.9146 km WSW of Adak, Alaska · 1326 days ago · 21 km deep · 60 km away
  33. 2.775 km SSW of Adak, Alaska · 1326 days ago · 32 km deep · 51 km away
  34. 3.1110 km SW of Adak, Alaska · 1326 days ago · 35 km deep · 36 km away
  35. 2.695 km W of Adak, Alaska · 1326 days ago · 10 km deep · 51 km away
  36. 3.175 km SSW of Adak, Alaska · 1326 days ago · 35 km deep · 53 km away
  37. 3.191 km W of Adak, Alaska · 1323 days ago · 11 km deep · 29 km away
  38. 3.375 km WSW of Adak, Alaska · 1322 days ago · 97 km deep · 15 km away
  39. 1.591 km W of Adak, Alaska · 1322 days ago · 3 km deep · 43 km away
  40. 1.991 km W of Adak, Alaska · 1322 days ago · 4 km deep · 43 km away
  41. 2.190 km W of Adak, Alaska · 1322 days ago · 4 km deep · 42 km away
  42. 1.791 km W of Adak, Alaska · 1322 days ago · 4 km deep · 43 km away
  43. 3.192 km W of Adak, Alaska · 1322 days ago · 4 km deep · 46 km away
  44. 2.290 km W of Adak, Alaska · 1322 days ago · 4 km deep · 42 km away
  45. 2.290 km W of Adak, Alaska · 1322 days ago · 3 km deep · 42 km away
  46. 1.691 km W of Adak, Alaska · 1322 days ago · -2 km deep · 43 km away
  47. 2.391 km W of Adak, Alaska · 1322 days ago · 4 km deep · 42 km away
  48. 1.692 km W of Adak, Alaska · 1322 days ago · 4 km deep · 43 km away
  49. 1.591 km W of Adak, Alaska · 1322 days ago · 3 km deep · 43 km away
  50. 1.691 km W of Adak, Alaska · 1322 days ago · 4 km deep · 43 km away
  51. 1.690 km W of Adak, Alaska · 1322 days ago · 4 km deep · 43 km away
  52. 2.191 km W of Adak, Alaska · 1322 days ago · 4 km deep · 43 km away
  53. 2.190 km W of Adak, Alaska · 1322 days ago · 5 km deep · 45 km away
  54. 2.390 km W of Adak, Alaska · 1321 days ago · 6 km deep · 43 km away
  55. 3.590 km W of Adak, Alaska · 1321 days ago · 11 km deep · 46 km away
  56. 2.290 km W of Adak, Alaska · 1321 days ago · 7 km deep · 41 km away
  57. 2.190 km W of Adak, Alaska · 1321 days ago · 6 km deep · 41 km away
  58. 2.090 km W of Adak, Alaska · 1321 days ago · 5 km deep · 42 km away
  59. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1321 days ago · 7 km deep · 42 km away
  60. 2.889 km W of Adak, Alaska · 1321 days ago · 9 km deep · 48 km away

The first 60 of at least 201.

Before

  1. 2.833 km S of Adak, Alaska · 1333 days ago · 65 km deep · 71 km away
  2. 1.991 km SW of Adak, Alaska · 1334 days ago · 32 km deep · 29 km away
  3. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1334 days ago · 35 km deep · 10 km away
  4. 1.846 km SSW of Adak, Alaska · 1334 days ago · 51 km deep · 65 km away
  5. 2.076 km WSW of Adak, Alaska · 1334 days ago · 33 km deep · 12 km away
  6. 4.263 km WSW of Adak, Alaska · 1334 days ago · 71 km deep · 30 km away
  7. 1.739 km S of Adak, Alaska · 1334 days ago · 37 km deep · 75 km away
  8. 2.8159 km WSW of Adak, Alaska · 1334 days ago · 10 km deep · 73 km away
  9. 2.068 km SSW of Adak, Alaska · 1335 days ago · 37 km deep · 44 km away
  10. 2.089 km WSW of Adak, Alaska · 1336 days ago · 18 km deep · 3 km away
  11. 2.7158 km WSW of Adak, Alaska · 1336 days ago · 33 km deep · 71 km away
  12. 3.1167 km WSW of Adak, Alaska · 1336 days ago · 35 km deep · 86 km away
  13. 3.010 km SE of Adak, Alaska · 1336 days ago · 73 km deep · 88 km away
  14. 2.064 km SW of Adak, Alaska · 1336 days ago · 47 km deep · 36 km away
  15. 1.946 km SW of Adak, Alaska · 1337 days ago · 46 km deep · 46 km away
  16. 2.956 km S of Adak, Alaska · 1337 days ago · 35 km deep · 86 km away
  17. 2.8100 km SW of Adak, Alaska · 1337 days ago · 35 km deep · 32 km away
  18. 3.371 km SSW of Adak, Alaska · 1337 days ago · 35 km deep · 44 km away
  19. 2.858 km W of Adak, Alaska · 1338 days ago · 99 km deep · 37 km away
  20. 3.6Andreanof Islands, Aleutian Islands, Alaska · 1338 days ago · 41 km deep · 35 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0231npjb2x. Read Wed, Sep 30, 2026, 7:31 PM UTC.