Alaska earthquakes

M4.1 earthquake 44 km S of Adak, Alaska

A magnitude 4.1 earthquake struck 44 km S of Adak, Alaska on Wed, Nov 8, 2023, 6:07 PM HAST (04:07 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
4.1 (ML, local (Richter)), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-11-09 04:07:35 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.472° N, 176.656° 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
4.1ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.091 · 16 stations
3.5ML, 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 2.8 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
206°, poorly surrounded by stations
Stations used
19

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 87 in the 30 days before it.

After

  1. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1057 days ago · 30 km deep · 26 km away
  2. 3.595 km WSW of Adak, Alaska · 1057 days ago · 66 km deep · 86 km away
  3. 2.023 km ESE of Adak, Alaska · 1057 days ago · 65 km deep · 39 km away
  4. 2.030 km E of Adak, Alaska · 1056 days ago · 71 km deep · 53 km away
  5. 3.246 km E of Adak, Alaska · 1056 days ago · 149 km deep · 69 km away
  6. 2.638 km S of Adak, Alaska · 1055 days ago · 48 km deep · 8 km away
  7. 2.978 km SW of Adak, Alaska · 1055 days ago · 56 km deep · 56 km away
  8. 3.230 km W of Adak, Alaska · 1054 days ago · 83 km deep · 52 km away
  9. 2.3Andreanof Islands, Aleutian Islands, Alaska · 1054 days ago · 94 km deep · 88 km away
  10. 3.589 km W of Adak, Alaska · 1054 days ago · 7 km deep · 100 km away
  11. 1.689 km W of Adak, Alaska · 1054 days ago · 6 km deep · 98 km away
  12. 1.889 km W of Adak, Alaska · 1054 days ago · 6 km deep · 98 km away
  13. 2.089 km W of Adak, Alaska · 1054 days ago · 5 km deep · 98 km away
  14. 3.654 km WSW of Adak, Alaska · 1054 days ago · 86 km deep · 54 km away
  15. 2.059 km SW of Adak, Alaska · 1053 days ago · 49 km deep · 40 km away
  16. 2.291 km WSW of Adak, Alaska · 1053 days ago · 75 km deep · 85 km away
  17. 2.159 km ESE of Adak, Alaska · 1052 days ago · 65 km deep · 68 km away
  18. 2.088 km WSW of Adak, Alaska · 1052 days ago · 47 km deep · 81 km away
  19. 2.562 km SE of Adak, Alaska · 1052 days ago · 35 km deep · 45 km away
  20. 3.479 km SSE of Adak, Alaska · 1052 days ago · 35 km deep · 40 km away
  21. 1.935 km S of Adak, Alaska · 1052 days ago · 36 km deep · 9 km away
  22. 3.465 km SE of Adak, Alaska · 1052 days ago · 35 km deep · 41 km away
  23. 2.793 km SW of Adak, Alaska · 1051 days ago · 35 km deep · 68 km away
  24. 2.752 km SSE of Adak, Alaska · 1050 days ago · 37 km deep · 19 km away
  25. 2.565 km ESE of Adak, Alaska · 1050 days ago · 35 km deep · 59 km away
  26. 2.146 km SE of Adak, Alaska · 1049 days ago · 35 km deep · 33 km away
  27. 4.132 km N of Adak, Alaska · 1049 days ago · 130 km deep · 78 km away
  28. 2.4Andreanof Islands, Aleutian Islands, Alaska · 1048 days ago · 50 km deep · 31 km away
  29. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1048 days ago · 23 km deep · 38 km away
  30. 2.5114 km SW of Adak, Alaska · 1048 days ago · 35 km deep · 88 km away
  31. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1048 days ago · 24 km deep · 26 km away
  32. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1048 days ago · 72 km deep · 66 km away
  33. 2.872 km SE of Adak, Alaska · 1046 days ago · 35 km deep · 52 km away
  34. 2.157 km SE of Adak, Alaska · 1046 days ago · 28 km deep · 46 km away
  35. 3.369 km E of Adak, Alaska · 1044 days ago · 30 km deep · 79 km away
  36. 2.469 km ESE of Adak, Alaska · 1043 days ago · 34 km deep · 65 km away
  37. 2.078 km WSW of Adak, Alaska · 1043 days ago · 36 km deep · 69 km away
  38. 3.1102 km SW of Adak, Alaska · 1042 days ago · 48 km deep · 80 km away
  39. 2.771 km SSW of Adak, Alaska · 1041 days ago · 35 km deep · 33 km away
  40. 1.970 km SW of Adak, Alaska · 1041 days ago · 56 km deep · 56 km away
  41. 2.162 km SW of Adak, Alaska · 1040 days ago · 48 km deep · 34 km away
  42. 2.770 km SSE of Adak, Alaska · 1039 days ago · 33 km deep · 29 km away
  43. 2.643 km NW of Adak, Alaska · 1039 days ago · 134 km deep · 79 km away
  44. 2.074 km WSW of Adak, Alaska · 1039 days ago · 39 km deep · 62 km away
  45. 2.194 km SW of Adak, Alaska · 1038 days ago · 23 km deep · 69 km away
  46. 1.781 km W of Adak, Alaska · 1038 days ago · 8 km deep · 90 km away
  47. 2.978 km WSW of Adak, Alaska · 1038 days ago · 36 km deep · 65 km away
  48. 2.753 km SSE of Adak, Alaska · 1038 days ago · 36 km deep · 30 km away
  49. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1037 days ago · 10 km deep · 42 km away
  50. 1.961 km SE of Adak, Alaska · 1037 days ago · 24 km deep · 46 km away
  51. 2.964 km S of Adak, Alaska · 1036 days ago · 35 km deep · 22 km away
  52. 5.046 km SSW of Adak, Alaska · 1035 days ago · 48 km deep · 12 km away · felt by 1
  53. 4.149 km SSW of Adak, Alaska · 1035 days ago · 34 km deep · 10 km away
  54. 2.955 km S of Adak, Alaska · 1035 days ago · 35 km deep · 13 km away
  55. 3.450 km S of Adak, Alaska · 1035 days ago · 35 km deep · 8 km away
  56. 2.577 km SSW of Adak, Alaska · 1034 days ago · 35 km deep · 40 km away
  57. 3.748 km SSW of Adak, Alaska · 1034 days ago · 41 km deep · 10 km away
  58. 1.658 km W of Adak, Alaska · 1034 days ago · 11 km deep · 68 km away
  59. 3.843 km SSW of Adak, Alaska · 1034 days ago · 43 km deep · 8 km away
  60. 1.979 km WSW of Adak, Alaska · 1034 days ago · 34 km deep · 70 km away

The first 60 of at least 199.

Before

  1. 2.866 km SSE of Adak, Alaska · 1057 days ago · 30 km deep · 32 km away
  2. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1057 days ago · 60 km deep · 50 km away
  3. 1.859 km SE of Adak, Alaska · 1058 days ago · 19 km deep · 44 km away
  4. 1.959 km WSW of Adak, Alaska · 1058 days ago · 20 km deep · 51 km away
  5. 2.681 km SSW of Adak, Alaska · 1059 days ago · 35 km deep · 38 km away
  6. 3.953 km NE of Adak, Alaska · 1060 days ago · 129 km deep · 91 km away
  7. 2.867 km SSE of Adak, Alaska · 1060 days ago · 35 km deep · 37 km away
  8. 4.163 km SSE of Adak, Alaska · 1061 days ago · 40 km deep · 33 km away
  9. 1.850 km S of Adak, Alaska · 1062 days ago · 32 km deep · 10 km away
  10. 2.196 km ESE of Adak, Alaska · 1062 days ago · 37 km deep · 92 km away
  11. 2.057 km SE of Adak, Alaska · 1062 days ago · 23 km deep · 42 km away
  12. 3.243 km SSW of Adak, Alaska · 1062 days ago · 35 km deep · 8 km away
  13. 2.6101 km WSW of Adak, Alaska · 1063 days ago · 60 km deep · 86 km away
  14. 1.527 km SW of Adak, Alaska · 1065 days ago · 70 km deep · 31 km away
  15. 1.566 km E of Adak, Alaska · 1065 days ago · 62 km deep · 76 km away
  16. 1.749 km S of Adak, Alaska · 1065 days ago · 34 km deep · 9 km away
  17. 1.866 km SSE of Adak, Alaska · 1065 days ago · 25 km deep · 33 km away
  18. 2.087 km WSW of Atka, Alaska · 1065 days ago · 66 km deep · 100 km away
  19. 1.559 km SE of Adak, Alaska · 1066 days ago · 29 km deep · 44 km away
  20. 2.698 km WSW of Adak, Alaska · 1066 days ago · 68 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000lqqx (also filed as ak023edpmxr8). Read Thu, Oct 1, 2026, 2:39 AM UTC.