Alaska earthquakes

M2.6 earthquake 65 km SE of Adak, Alaska

A magnitude 2.6 earthquake struck 65 km SE of Adak, Alaska on Sun, Oct 29, 2023, 3:04 AM HADT (12:04 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M6.1 116 km SE 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
2.6 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-10-29 12:04:02 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.389° N, 176.101° 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
2.6ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.105 · 12 stations
2.3ML, 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 4.7 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
221°, poorly surrounded by stations
Stations used
15

Nearby

Within 100 km, magnitude 1.5 and up: 179 in the 60 days after this one and 90 in the 30 days before it.

After

  1. 3.657 km S of Adak, Alaska · 1071 days ago · 35 km deep · 34 km away
  2. 1.559 km SE of Adak, Alaska · 1070 days ago · 29 km deep · 14 km away
  3. 2.087 km WSW of Atka, Alaska · 1069 days ago · 66 km deep · 73 km away
  4. 1.866 km SSE of Adak, Alaska · 1069 days ago · 25 km deep · 11 km away
  5. 1.749 km S of Adak, Alaska · 1069 days ago · 34 km deep · 31 km away
  6. 1.566 km E of Adak, Alaska · 1069 days ago · 62 km deep · 53 km away
  7. 1.527 km SW of Adak, Alaska · 1069 days ago · 70 km deep · 66 km away
  8. 3.243 km SSW of Adak, Alaska · 1067 days ago · 35 km deep · 47 km away
  9. 2.057 km SE of Adak, Alaska · 1066 days ago · 23 km deep · 13 km away
  10. 2.196 km ESE of Adak, Alaska · 1066 days ago · 37 km deep · 56 km away
  11. 1.850 km S of Adak, Alaska · 1066 days ago · 32 km deep · 47 km away
  12. 4.163 km SSE of Adak, Alaska · 1065 days ago · 40 km deep · 8 km away
  13. 2.867 km SSE of Adak, Alaska · 1065 days ago · 35 km deep · 8 km away
  14. 3.953 km NE of Adak, Alaska · 1064 days ago · 129 km deep · 91 km away
  15. 2.681 km SSW of Adak, Alaska · 1063 days ago · 35 km deep · 60 km away
  16. 1.959 km WSW of Adak, Alaska · 1062 days ago · 20 km deep · 91 km away
  17. 2.9101 km SW of Atka, Alaska · 1062 days ago · 35 km deep · 67 km away
  18. 1.859 km SE of Adak, Alaska · 1062 days ago · 19 km deep · 13 km away
  19. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1062 days ago · 60 km deep · 40 km away
  20. 2.866 km SSE of Adak, Alaska · 1061 days ago · 30 km deep · 13 km away
  21. 4.144 km S of Adak, Alaska · 1061 days ago · 35 km deep · 40 km away
  22. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1061 days ago · 30 km deep · 60 km away
  23. 2.023 km ESE of Adak, Alaska · 1061 days ago · 65 km deep · 45 km away
  24. 2.030 km E of Adak, Alaska · 1061 days ago · 71 km deep · 52 km away
  25. 3.246 km E of Adak, Alaska · 1060 days ago · 149 km deep · 59 km away
  26. 2.638 km S of Adak, Alaska · 1059 days ago · 48 km deep · 46 km away
  27. 2.978 km SW of Adak, Alaska · 1059 days ago · 56 km deep · 93 km away
  28. 3.230 km W of Adak, Alaska · 1058 days ago · 83 km deep · 85 km away
  29. 2.3Andreanof Islands, Aleutian Islands, Alaska · 1058 days ago · 94 km deep · 71 km away
  30. 3.654 km WSW of Adak, Alaska · 1058 days ago · 86 km deep · 93 km away
  31. 2.059 km SW of Adak, Alaska · 1057 days ago · 49 km deep · 79 km away
  32. 2.159 km ESE of Adak, Alaska · 1057 days ago · 65 km deep · 46 km away
  33. 2.562 km SE of Adak, Alaska · 1056 days ago · 35 km deep · 11 km away
  34. 3.479 km SSE of Adak, Alaska · 1056 days ago · 35 km deep · 26 km away
  35. 1.935 km S of Adak, Alaska · 1056 days ago · 36 km deep · 43 km away
  36. 3.465 km SE of Adak, Alaska · 1056 days ago · 35 km deep · 2 km away
  37. 2.752 km SSE of Adak, Alaska · 1054 days ago · 37 km deep · 21 km away
  38. 2.972 km WSW of Atka, Alaska · 1054 days ago · 104 km deep · 93 km away
  39. 2.565 km ESE of Adak, Alaska · 1054 days ago · 35 km deep · 27 km away
  40. 2.146 km SE of Adak, Alaska · 1053 days ago · 35 km deep · 20 km away
  41. 4.132 km N of Adak, Alaska · 1053 days ago · 130 km deep · 94 km away
  42. 2.4Andreanof Islands, Aleutian Islands, Alaska · 1053 days ago · 50 km deep · 70 km away
  43. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1052 days ago · 23 km deep · 6 km away
  44. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1052 days ago · 24 km deep · 47 km away
  45. 2.872 km SE of Adak, Alaska · 1050 days ago · 35 km deep · 13 km away
  46. 2.157 km SE of Adak, Alaska · 1050 days ago · 28 km deep · 18 km away
  47. 3.369 km E of Adak, Alaska · 1048 days ago · 30 km deep · 55 km away
  48. 2.469 km ESE of Adak, Alaska · 1048 days ago · 34 km deep · 34 km away
  49. 2.783 km SW of Atka, Alaska · 1047 days ago · 62 km deep · 75 km away
  50. 2.771 km SSW of Adak, Alaska · 1045 days ago · 35 km deep · 65 km away
  51. 1.970 km SW of Adak, Alaska · 1045 days ago · 56 km deep · 95 km away
  52. 2.162 km SW of Adak, Alaska · 1044 days ago · 48 km deep · 72 km away
  53. 2.770 km SSE of Adak, Alaska · 1043 days ago · 33 km deep · 26 km away
  54. 2.753 km SSE of Adak, Alaska · 1042 days ago · 36 km deep · 12 km away
  55. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1041 days ago · 10 km deep · 57 km away
  56. 1.961 km SE of Adak, Alaska · 1041 days ago · 24 km deep · 14 km away
  57. 2.964 km S of Adak, Alaska · 1040 days ago · 35 km deep · 50 km away
  58. 5.046 km SSW of Adak, Alaska · 1040 days ago · 48 km deep · 51 km away · felt by 1
  59. 4.149 km SSW of Adak, Alaska · 1040 days ago · 34 km deep · 47 km away
  60. 2.955 km S of Adak, Alaska · 1039 days ago · 35 km deep · 46 km away

The first 60 of 179.

Before

  1. 2.641 km S of Adak, Alaska · 1072 days ago · 34 km deep · 44 km away
  2. 1.558 km SE of Adak, Alaska · 1072 days ago · 22 km deep · 8 km away
  3. 1.885 km E of Adak, Alaska · 1073 days ago · 70 km deep · 77 km away
  4. 1.551 km S of Adak, Alaska · 1073 days ago · 24 km deep · 41 km away
  5. 3.972 km SW of Adak, Alaska · 1073 days ago · 60 km deep · 95 km away
  6. 1.879 km SW of Atka, Alaska · 1073 days ago · 47 km deep · 79 km away
  7. 2.177 km SE of Adak, Alaska · 1073 days ago · 39 km deep · 28 km away
  8. 2.058 km ESE of Adak, Alaska · 1074 days ago · 41 km deep · 32 km away
  9. 1.953 km S of Adak, Alaska · 1074 days ago · 26 km deep · 35 km away
  10. 1.827 km SSW of Adak, Alaska · 1075 days ago · 62 km deep · 60 km away
  11. 2.057 km SSE of Adak, Alaska · 1075 days ago · 32 km deep · 19 km away
  12. 2.372 km ENE of Adak, Alaska · 1076 days ago · 140 km deep · 96 km away
  13. 1.661 km SE of Adak, Alaska · 1076 days ago · 25 km deep · 15 km away
  14. 1.566 km SSW of Adak, Alaska · 1076 days ago · 21 km deep · 62 km away
  15. 1.992 km SW of Atka, Alaska · 1077 days ago · 26 km deep · 70 km away
  16. 1.652 km SSE of Adak, Alaska · 1077 days ago · 21 km deep · 25 km away
  17. 1.653 km S of Adak, Alaska · 1077 days ago · 22 km deep · 29 km away
  18. 1.661 km SE of Adak, Alaska · 1077 days ago · 10 km deep · 15 km away
  19. 2.771 km SSE of Adak, Alaska · 1077 days ago · 35 km deep · 24 km away
  20. 2.688 km SE of Adak, Alaska · 1077 days ago · 35 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000lnyq (also filed as ak023dvngvfn). Read Mon, Oct 5, 2026, 5:25 AM UTC.