Alaska earthquakes

M1.9 earthquake 91 km SW of Adak, Alaska

A magnitude 1.9 earthquake struck 91 km SW of Adak, Alaska on Sat, Feb 4, 2023, 5:27 PM HAST (03:27 UTC), 32 km (20 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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The earthquake

Magnitude
1.9 (ml), micro
Local time
UTC
2023-02-05 03:27:36 UTC
Depth
32.0 km (19.9 mi), shallow
Epicenter
51.271° N, 177.524° 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
26

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 105 in the 30 days before it.

After

  1. 2.833 km S of Adak, Alaska · 1334 days ago · 65 km deep · 66 km away
  2. 1.686 km WSW of Adak, Alaska · 1334 days ago · 13 km deep · 29 km away
  3. 2.1121 km SW of Adak, Alaska · 1333 days ago · 25 km deep · 34 km away
  4. 2.7127 km SW of Adak, Alaska · 1333 days ago · 35 km deep · 40 km away
  5. 1.755 km W of Adak, Alaska · 1333 days ago · 21 km deep · 69 km away
  6. 2.3142 km WSW of Adak, Alaska · 1333 days ago · 13 km deep · 82 km away
  7. 2.269 km SW of Adak, Alaska · 1333 days ago · 45 km deep · 27 km away
  8. 2.186 km WSW of Adak, Alaska · 1332 days ago · 18 km deep · 24 km away
  9. 2.2165 km WSW of Adak, Alaska · 1332 days ago · 22 km deep · 91 km away
  10. 2.7145 km WSW of Adak, Alaska · 1332 days ago · 18 km deep · 71 km away
  11. 2.1141 km WSW of Adak, Alaska · 1331 days ago · 22 km deep · 59 km away
  12. 1.641 km SSE of Adak, Alaska · 1331 days ago · 34 km deep · 85 km away
  13. 2.0139 km WSW of Adak, Alaska · 1331 days ago · 25 km deep · 68 km away
  14. 1.639 km S of Adak, Alaska · 1331 days ago · 38 km deep · 71 km away
  15. 1.662 km SSE of Adak, Alaska · 1331 days ago · 22 km deep · 96 km away
  16. 1.847 km S of Adak, Alaska · 1331 days ago · 26 km deep · 61 km away
  17. 2.5111 km SW of Adak, Alaska · 1330 days ago · 31 km deep · 21 km away
  18. 2.8135 km SW of Adak, Alaska · 1330 days ago · 35 km deep · 48 km away
  19. 2.1119 km SW of Adak, Alaska · 1330 days ago · 5 km deep · 33 km away
  20. 1.890 km SW of Adak, Alaska · 1330 days ago · 7 km deep · 21 km away
  21. 1.758 km S of Adak, Alaska · 1330 days ago · 26 km deep · 53 km away
  22. 2.6103 km SSW of Adak, Alaska · 1330 days ago · 35 km deep · 22 km away
  23. 2.1143 km WSW of Adak, Alaska · 1330 days ago · 26 km deep · 65 km away
  24. 2.864 km S of Adak, Alaska · 1330 days ago · 26 km deep · 55 km away
  25. 1.658 km SSE of Adak, Alaska · 1330 days ago · 26 km deep · 85 km away
  26. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1330 days ago · 24 km deep · 100 km away
  27. 1.788 km W of Adak, Alaska · 1329 days ago · 5 km deep · 71 km away
  28. 2.956 km S of Adak, Alaska · 1327 days ago · 35 km deep · 72 km away
  29. 2.1139 km SW of Adak, Alaska · 1327 days ago · 33 km deep · 53 km away
  30. 1.790 km W of Adak, Alaska · 1327 days ago · 11 km deep · 70 km away
  31. 2.794 km W of Adak, Alaska · 1327 days ago · 11 km deep · 76 km away
  32. 2.192 km W of Adak, Alaska · 1327 days ago · 9 km deep · 72 km away
  33. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1327 days ago · 27 km deep · 74 km away
  34. 2.1124 km WSW of Adak, Alaska · 1327 days ago · 25 km deep · 57 km away
  35. 1.9146 km WSW of Adak, Alaska · 1326 days ago · 21 km deep · 64 km away
  36. 2.775 km SSW of Adak, Alaska · 1326 days ago · 32 km deep · 29 km away
  37. 3.1110 km SW of Adak, Alaska · 1326 days ago · 35 km deep · 20 km away
  38. 2.695 km W of Adak, Alaska · 1326 days ago · 10 km deep · 80 km away
  39. 3.175 km SSW of Adak, Alaska · 1326 days ago · 35 km deep · 32 km away
  40. 3.191 km W of Adak, Alaska · 1323 days ago · 11 km deep · 58 km away
  41. 3.375 km WSW of Adak, Alaska · 1322 days ago · 97 km deep · 40 km away
  42. 1.591 km W of Adak, Alaska · 1322 days ago · 3 km deep · 72 km away
  43. 1.991 km W of Adak, Alaska · 1322 days ago · 4 km deep · 72 km away
  44. 2.190 km W of Adak, Alaska · 1322 days ago · 4 km deep · 71 km away
  45. 1.791 km W of Adak, Alaska · 1322 days ago · 4 km deep · 72 km away
  46. 3.192 km W of Adak, Alaska · 1322 days ago · 4 km deep · 75 km away
  47. 2.290 km W of Adak, Alaska · 1322 days ago · 4 km deep · 71 km away
  48. 2.290 km W of Adak, Alaska · 1322 days ago · 3 km deep · 71 km away
  49. 1.691 km W of Adak, Alaska · 1322 days ago · -2 km deep · 72 km away
  50. 2.391 km W of Adak, Alaska · 1322 days ago · 4 km deep · 71 km away
  51. 1.692 km W of Adak, Alaska · 1322 days ago · 4 km deep · 72 km away
  52. 1.591 km W of Adak, Alaska · 1322 days ago · 3 km deep · 72 km away
  53. 1.691 km W of Adak, Alaska · 1322 days ago · 4 km deep · 72 km away
  54. 1.690 km W of Adak, Alaska · 1322 days ago · 4 km deep · 71 km away
  55. 2.191 km W of Adak, Alaska · 1322 days ago · 4 km deep · 72 km away
  56. 2.190 km W of Adak, Alaska · 1322 days ago · 5 km deep · 74 km away
  57. 2.390 km W of Adak, Alaska · 1322 days ago · 6 km deep · 72 km away
  58. 3.590 km W of Adak, Alaska · 1322 days ago · 11 km deep · 75 km away
  59. 2.290 km W of Adak, Alaska · 1322 days ago · 7 km deep · 70 km away
  60. 2.190 km W of Adak, Alaska · 1322 days ago · 6 km deep · 70 km away

The first 60 of at least 201.

Before

  1. 1.956 km SE of Adak, Alaska · 1334 days ago · 31 km deep · 100 km away
  2. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1334 days ago · 35 km deep · 24 km away
  3. 1.846 km SSW of Adak, Alaska · 1334 days ago · 51 km deep · 55 km away
  4. 2.076 km WSW of Adak, Alaska · 1334 days ago · 33 km deep · 25 km away
  5. 4.263 km WSW of Adak, Alaska · 1334 days ago · 71 km deep · 52 km away
  6. 1.739 km S of Adak, Alaska · 1334 days ago · 37 km deep · 67 km away
  7. 2.8159 km WSW of Adak, Alaska · 1334 days ago · 10 km deep · 83 km away
  8. 2.068 km SSW of Adak, Alaska · 1335 days ago · 37 km deep · 28 km away
  9. 2.089 km WSW of Adak, Alaska · 1336 days ago · 18 km deep · 30 km away
  10. 2.7158 km WSW of Adak, Alaska · 1336 days ago · 33 km deep · 78 km away
  11. 3.010 km SE of Adak, Alaska · 1336 days ago · 73 km deep · 89 km away
  12. 2.064 km SW of Adak, Alaska · 1337 days ago · 47 km deep · 27 km away
  13. 1.946 km SW of Adak, Alaska · 1337 days ago · 46 km deep · 45 km away
  14. 2.956 km S of Adak, Alaska · 1337 days ago · 35 km deep · 72 km away
  15. 2.8100 km SW of Adak, Alaska · 1337 days ago · 35 km deep · 10 km away
  16. 3.371 km SSW of Adak, Alaska · 1337 days ago · 35 km deep · 25 km away
  17. 2.858 km W of Adak, Alaska · 1338 days ago · 99 km deep · 58 km away
  18. 3.6Andreanof Islands, Aleutian Islands, Alaska · 1338 days ago · 41 km deep · 44 km away
  19. 2.675 km W of Adak, Alaska · 1338 days ago · 88 km deep · 63 km away
  20. 3.3124 km SW of Adak, Alaska · 1338 days ago · 35 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0231nlanrd. Read Wed, Sep 30, 2026, 11:35 PM UTC.