Alaska earthquakes

M3.2 earthquake 51 km S of Adak, Alaska

A magnitude 3.2 earthquake struck 51 km S of Adak, Alaska on Sun, Sep 24, 2023, 11:27 PM HADT (08:27 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.1 63 km SSE 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
3.2 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-09-25 08:27:17 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
51.410° N, 176.714° 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
3.2ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.081 · 20 stations
2.7ML, 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 2.2 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.08
Depth from
Operator assigned
Station coverage gap
208°, poorly surrounded by stations
Stations used
23

Nearby

Within 100 km, magnitude 1.5 and up: 184 in the 60 days after this one and 122 in the 30 days before it.

After

  1. 1.648 km ENE of Adak, Alaska · 1103 days ago · 5 km deep · 88 km away
  2. 1.948 km ENE of Adak, Alaska · 1103 days ago · 5 km deep · 89 km away
  3. 1.761 km SW of Adak, Alaska · 1103 days ago · 44 km deep · 46 km away
  4. 1.678 km SSE of Adak, Alaska · 1102 days ago · 20 km deep · 33 km away
  5. 1.668 km S of Adak, Alaska · 1102 days ago · 19 km deep · 25 km away
  6. 1.869 km SSE of Adak, Alaska · 1102 days ago · 20 km deep · 31 km away
  7. 1.8116 km SW of Adak, Alaska · 1101 days ago · 13 km deep · 92 km away
  8. 1.839 km ESE of Adak, Alaska · 1101 days ago · 62 km deep · 58 km away
  9. 1.675 km SW of Adak, Alaska · 1101 days ago · 45 km deep · 55 km away
  10. 3.072 km SSW of Adak, Alaska · 1101 days ago · 35 km deep · 32 km away
  11. 2.780 km SSE of Adak, Alaska · 1101 days ago · 35 km deep · 36 km away
  12. 2.3110 km WSW of Adak, Alaska · 1100 days ago · 7 km deep · 99 km away
  13. 2.057 km SSE of Adak, Alaska · 1100 days ago · 35 km deep · 29 km away
  14. 1.662 km SSW of Adak, Alaska · 1099 days ago · 25 km deep · 20 km away
  15. 1.7106 km WSW of Adak, Alaska · 1099 days ago · 11 km deep · 88 km away
  16. 3.7100 km WSW of Adak, Alaska · 1099 days ago · 82 km deep · 89 km away
  17. 3.662 km SSE of Adak, Alaska · 1099 days ago · 35 km deep · 39 km away
  18. 2.161 km ESE of Adak, Alaska · 1098 days ago · 25 km deep · 60 km away
  19. 2.664 km S of Adak, Alaska · 1098 days ago · 35 km deep · 13 km away
  20. 1.946 km SW of Adak, Alaska · 1097 days ago · 29 km deep · 31 km away
  21. 1.993 km SW of Adak, Alaska · 1097 days ago · 13 km deep · 68 km away
  22. 1.964 km SSW of Adak, Alaska · 1097 days ago · 26 km deep · 22 km away
  23. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1097 days ago · 24 km deep · 40 km away
  24. 1.942 km S of Adak, Alaska · 1097 days ago · 46 km deep · 14 km away
  25. 2.559 km WSW of Adak, Alaska · 1097 days ago · 15 km deep · 49 km away
  26. 3.369 km SSE of Adak, Alaska · 1097 days ago · 35 km deep · 42 km away
  27. 1.8101 km SW of Adak, Alaska · 1096 days ago · 43 km deep · 76 km away
  28. 1.640 km SE of Adak, Alaska · 1096 days ago · 54 km deep · 47 km away
  29. 1.748 km SW of Adak, Alaska · 1096 days ago · 41 km deep · 27 km away
  30. 1.699 km SW of Adak, Alaska · 1096 days ago · 25 km deep · 69 km away
  31. 1.898 km SW of Adak, Alaska · 1096 days ago · 22 km deep · 64 km away
  32. 1.851 km SE of Adak, Alaska · 1095 days ago · 47 km deep · 36 km away
  33. 2.5113 km WSW of Adak, Alaska · 1095 days ago · 35 km deep · 92 km away
  34. 2.797 km ESE of Adak, Alaska · 1094 days ago · 35 km deep · 98 km away
  35. 1.957 km SE of Adak, Alaska · 1094 days ago · 20 km deep · 47 km away
  36. 2.527 km S of Adak, Alaska · 1094 days ago · 66 km deep · 27 km away
  37. 1.894 km WSW of Adak, Alaska · 1093 days ago · 13 km deep · 79 km away
  38. 1.958 km SE of Adak, Alaska · 1093 days ago · 32 km deep · 49 km away
  39. 1.850 km S of Adak, Alaska · 1093 days ago · 24 km deep · 13 km away
  40. 1.693 km WSW of Adak, Alaska · 1093 days ago · 36 km deep · 79 km away
  41. 1.770 km SSW of Adak, Alaska · 1093 days ago · 32 km deep · 25 km away
  42. 1.637 km SSE of Adak, Alaska · 1093 days ago · 41 km deep · 31 km away
  43. 1.767 km SSE of Adak, Alaska · 1092 days ago · 24 km deep · 29 km away
  44. 1.593 km WSW of Adak, Alaska · 1092 days ago · 23 km deep · 81 km away
  45. 1.569 km WSW of Adak, Alaska · 1092 days ago · 28 km deep · 57 km away
  46. 1.778 km SW of Adak, Alaska · 1091 days ago · 35 km deep · 61 km away
  47. 1.860 km SSW of Adak, Alaska · 1091 days ago · 51 km deep · 26 km away
  48. 1.7114 km WSW of Adak, Alaska · 1091 days ago · 26 km deep · 97 km away
  49. 1.767 km WSW of Adak, Alaska · 1090 days ago · 16 km deep · 63 km away
  50. 1.888 km WSW of Adak, Alaska · 1090 days ago · 13 km deep · 75 km away
  51. 2.033 km SE of Adak, Alaska · 1090 days ago · 69 km deep · 47 km away
  52. 2.152 km ENE of Adak, Alaska · 1089 days ago · 122 km deep · 94 km away
  53. 1.741 km SSW of Adak, Alaska · 1089 days ago · 44 km deep · 12 km away
  54. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1089 days ago · 26 km deep · 73 km away
  55. 1.594 km WSW of Adak, Alaska · 1089 days ago · 13 km deep · 80 km away
  56. 1.646 km SSE of Adak, Alaska · 1089 days ago · 36 km deep · 24 km away
  57. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1089 days ago · 26 km deep · 43 km away
  58. 1.550 km S of Adak, Alaska · 1089 days ago · 24 km deep · 13 km away
  59. 2.841 km NE of Adak, Alaska · 1089 days ago · 131 km deep · 89 km away
  60. 1.8119 km SW of Adak, Alaska · 1088 days ago · 26 km deep · 95 km away

The first 60 of 184.

Before

  1. 1.643 km S of Adak, Alaska · 1104 days ago · 33 km deep · 12 km away
  2. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1104 days ago · 138 km deep · 82 km away
  3. 1.632 km SSE of Adak, Alaska · 1105 days ago · 44 km deep · 32 km away
  4. 1.886 km WSW of Adak, Alaska · 1106 days ago · 38 km deep · 67 km away
  5. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1106 days ago · 26 km deep · 72 km away
  6. 2.081 km SW of Adak, Alaska · 1107 days ago · 39 km deep · 58 km away
  7. 1.996 km SW of Adak, Alaska · 1107 days ago · 23 km deep · 64 km away
  8. 2.7Andreanof Islands, Aleutian Islands, Alaska · 1108 days ago · 35 km deep · 72 km away
  9. 2.954 km SW of Adak, Alaska · 1108 days ago · 65 km deep · 43 km away
  10. 2.1111 km WSW of Adak, Alaska · 1108 days ago · 13 km deep · 98 km away
  11. 2.226 km E of Adak, Alaska · 1108 days ago · 67 km deep · 59 km away
  12. 2.7131 km SW of Adak, Alaska · 1109 days ago · 35 km deep · 94 km away
  13. 1.756 km SSE of Adak, Alaska · 1109 days ago · 25 km deep · 28 km away
  14. 1.863 km SSW of Adak, Alaska · 1110 days ago · 33 km deep · 23 km away
  15. 1.836 km W of Adak, Alaska · 1111 days ago · 79 km deep · 55 km away
  16. 1.792 km ESE of Adak, Alaska · 1111 days ago · 29 km deep · 94 km away
  17. 1.8115 km WSW of Adak, Alaska · 1111 days ago · 13 km deep · 98 km away
  18. 1.753 km SW of Adak, Alaska · 1111 days ago · 55 km deep · 33 km away
  19. 1.830 km WSW of Adak, Alaska · 1112 days ago · 13 km deep · 45 km away
  20. 1.733 km SE of Adak, Alaska · 1113 days ago · 64 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000lelg (also filed as ak023cbcyayh). Read Fri, Oct 2, 2026, 8:23 AM UTC.