Alaska earthquakes

M2.9 earthquake 54 km S of Adak, Alaska

A magnitude 2.9 earthquake struck 54 km S of Adak, Alaska on Fri, Dec 8, 2023, 11:26 PM HAST (09:26 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-12-09 09:26:21 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.390° N, 176.734° 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
2.9ML, 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 3.7 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
235°, poorly surrounded by stations
Stations used
19

Nearby

Within 100 km, magnitude 1.5 and up: 159 in the 60 days after this one and 95 in the 30 days before it.

After

  1. 2.045 km SW of Adak, Alaska · 1028 days ago · 69 km deep · 41 km away
  2. 3.941 km SSW of Adak, Alaska · 1028 days ago · 46 km deep · 16 km away
  3. 2.855 km S of Adak, Alaska · 1028 days ago · 35 km deep · 4 km away
  4. 2.061 km SSW of Adak, Alaska · 1027 days ago · 35 km deep · 20 km away
  5. 2.046 km E of Adak, Alaska · 1027 days ago · 71 km deep · 80 km away
  6. 1.859 km W of Adak, Alaska · 1027 days ago · 9 km deep · 67 km away
  7. 1.660 km WSW of Adak, Alaska · 1027 days ago · 13 km deep · 64 km away
  8. 2.059 km S of Adak, Alaska · 1027 days ago · 13 km deep · 12 km away
  9. 2.183 km S of Adak, Alaska · 1027 days ago · 0 km deep · 34 km away
  10. 3.882 km SSW of Adak, Alaska · 1027 days ago · 35 km deep · 36 km away
  11. 2.035 km SSE of Adak, Alaska · 1026 days ago · 35 km deep · 33 km away
  12. 1.560 km W of Adak, Alaska · 1026 days ago · 7 km deep · 69 km away
  13. 1.736 km SSW of Adak, Alaska · 1026 days ago · 37 km deep · 21 km away
  14. 2.417 km NNW of Adak, Alaska · 1026 days ago · 197 km deep · 70 km away
  15. 2.542 km SW of Adak, Alaska · 1025 days ago · 37 km deep · 31 km away
  16. 1.950 km SW of Adak, Alaska · 1025 days ago · 41 km deep · 28 km away
  17. 1.894 km WSW of Adak, Alaska · 1025 days ago · 21 km deep · 79 km away
  18. 1.959 km WSW of Adak, Alaska · 1024 days ago · 13 km deep · 64 km away
  19. 1.859 km WSW of Adak, Alaska · 1024 days ago · 13 km deep · 65 km away
  20. 1.781 km E of Adak, Alaska · 1024 days ago · 32 km deep · 95 km away
  21. 2.049 km SSE of Adak, Alaska · 1024 days ago · 41 km deep · 21 km away
  22. 2.546 km SSE of Adak, Alaska · 1024 days ago · 35 km deep · 19 km away
  23. 2.6136 km SW of Adak, Alaska · 1024 days ago · 10 km deep · 96 km away
  24. 1.825 km W of Adak, Alaska · 1023 days ago · 8 km deep · 60 km away
  25. 1.843 km SW of Adak, Alaska · 1023 days ago · 48 km deep · 32 km away
  26. 2.630 km S of Adak, Alaska · 1023 days ago · 67 km deep · 24 km away
  27. 1.990 km WSW of Adak, Alaska · 1022 days ago · 13 km deep · 70 km away
  28. 2.0114 km SW of Adak, Alaska · 1021 days ago · 25 km deep · 86 km away
  29. 2.290 km SW of Adak, Alaska · 1021 days ago · 39 km deep · 61 km away
  30. 1.968 km SW of Adak, Alaska · 1021 days ago · 47 km deep · 45 km away
  31. 2.670 km SSW of Adak, Alaska · 1021 days ago · 35 km deep · 21 km away
  32. 2.897 km WSW of Adak, Alaska · 1021 days ago · 35 km deep · 82 km away
  33. 3.010 km WSW of Adak, Alaska · 1020 days ago · 86 km deep · 50 km away
  34. 1.797 km WSW of Adak, Alaska · 1020 days ago · 14 km deep · 84 km away
  35. 1.9117 km WSW of Adak, Alaska · 1020 days ago · 26 km deep · 97 km away
  36. 1.560 km WSW of Adak, Alaska · 1020 days ago · 3 km deep · 66 km away
  37. 1.859 km SE of Adak, Alaska · 1020 days ago · 26 km deep · 52 km away
  38. 1.886 km WSW of Adak, Alaska · 1020 days ago · 40 km deep · 71 km away
  39. 1.965 km SE of Adak, Alaska · 1020 days ago · 34 km deep · 57 km away
  40. 2.155 km SSW of Adak, Alaska · 1020 days ago · 23 km deep · 11 km away
  41. 2.166 km SSE of Adak, Alaska · 1019 days ago · 19 km deep · 25 km away
  42. 2.577 km SSW of Adak, Alaska · 1019 days ago · 35 km deep · 29 km away
  43. 2.935 km W of Adak, Alaska · 1019 days ago · 5 km deep · 64 km away
  44. 1.639 km WNW of Adak, Alaska · 1018 days ago · 4 km deep · 72 km away
  45. 1.837 km WNW of Adak, Alaska · 1018 days ago · 5 km deep · 72 km away
  46. 1.640 km W of Adak, Alaska · 1018 days ago · 7 km deep · 68 km away
  47. 4.5125 km SW of Adak, Alaska · 1018 days ago · 46 km deep · 99 km away
  48. 2.084 km SW of Adak, Alaska · 1018 days ago · 13 km deep · 63 km away
  49. 2.262 km SE of Adak, Alaska · 1017 days ago · 22 km deep · 54 km away
  50. 6.1116 km SE of Adak, Alaska · 1016 days ago · 20 km deep · 100 km away · felt by 3 · tsunami flag
  51. 3.3108 km ESE of Adak, Alaska · 1016 days ago · 34 km deep · 99 km away
  52. 2.799 km ESE of Adak, Alaska · 1016 days ago · 35 km deep · 94 km away
  53. 2.6109 km SE of Adak, Alaska · 1016 days ago · 25 km deep · 94 km away
  54. 3.2113 km SE of Adak, Alaska · 1016 days ago · 35 km deep · 97 km away
  55. 2.9110 km SE of Adak, Alaska · 1016 days ago · 35 km deep · 99 km away
  56. 2.8108 km SE of Adak, Alaska · 1016 days ago · 29 km deep · 92 km away
  57. 3.1109 km SE of Adak, Alaska · 1016 days ago · 35 km deep · 95 km away
  58. 2.7107 km ESE of Adak, Alaska · 1016 days ago · 21 km deep · 99 km away
  59. 3.0114 km SE of Adak, Alaska · 1016 days ago · 35 km deep · 96 km away
  60. 3.6116 km SE of Adak, Alaska · 1016 days ago · 35 km deep · 99 km away

The first 60 of 159.

Before

  1. 1.759 km W of Adak, Alaska · 1029 days ago · 13 km deep · 67 km away
  2. 2.657 km ENE of Adak, Alaska · 1029 days ago · 147 km deep · 99 km away
  3. 1.947 km SW of Adak, Alaska · 1029 days ago · 48 km deep · 32 km away
  4. 1.86 km ENE of Adak, Alaska · 1030 days ago · 7 km deep · 58 km away
  5. 1.866 km SSW of Adak, Alaska · 1030 days ago · 46 km deep · 28 km away
  6. 1.659 km WSW of Adak, Alaska · 1031 days ago · 15 km deep · 63 km away
  7. 1.659 km WSW of Adak, Alaska · 1031 days ago · 14 km deep · 64 km away
  8. 1.659 km W of Adak, Alaska · 1031 days ago · 7 km deep · 70 km away
  9. 1.976 km SW of Adak, Alaska · 1032 days ago · 27 km deep · 56 km away
  10. 2.052 km SSE of Adak, Alaska · 1032 days ago · 25 km deep · 37 km away
  11. 3.674 km S of Adak, Alaska · 1032 days ago · 35 km deep · 21 km away
  12. 2.745 km SSW of Adak, Alaska · 1032 days ago · 55 km deep · 10 km away
  13. 2.065 km E of Adak, Alaska · 1032 days ago · 13 km deep · 86 km away
  14. 1.660 km W of Adak, Alaska · 1032 days ago · 1 km deep · 67 km away
  15. 1.659 km WSW of Adak, Alaska · 1032 days ago · 3 km deep · 67 km away
  16. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1032 days ago · 1 km deep · 68 km away
  17. 1.659 km WSW of Adak, Alaska · 1033 days ago · 15 km deep · 64 km away
  18. 2.064 km SE of Adak, Alaska · 1033 days ago · 26 km deep · 56 km away
  19. 1.960 km WSW of Adak, Alaska · 1033 days ago · 7 km deep · 67 km away
  20. 3.174 km E of Adak, Alaska · 1034 days ago · 78 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000lkwe (also filed as ak023freuk3x). Read Fri, Oct 2, 2026, 7:36 PM UTC.