Alaska earthquakes

M1.9 earthquake 41 km S of Adak, Alaska

A magnitude 1.9 earthquake struck 41 km S of Adak, Alaska on Sat, Sep 9, 2023, 1:32 PM HADT (22:32 UTC), 44 km (27 mi) below the surface.

A larger quake followed: M5.0 44 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
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-09-09 22:32:43 UTC
Depth
43.8 km (27.2 mi), shallow
Epicenter
51.498° N, 176.646° 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
20

Nearby

Within 100 km, magnitude 1.5 and up: 188 in the 60 days after this one and 137 in the 30 days before it.

After

  1. 2.168 km SW of Adak, Alaska · 1118 days ago · 32 km deep · 51 km away
  2. 3.543 km E of Adak, Alaska · 1118 days ago · 80 km deep · 57 km away
  3. 1.858 km SSE of Adak, Alaska · 1118 days ago · 18 km deep · 28 km away
  4. 1.938 km ESE of Adak, Alaska · 1118 days ago · 72 km deep · 46 km away
  5. 1.689 km WSW of Adak, Alaska · 1118 days ago · 25 km deep · 81 km away
  6. 2.789 km SW of Adak, Alaska · 1117 days ago · 35 km deep · 73 km away
  7. 3.387 km ESE of Adak, Alaska · 1117 days ago · 35 km deep · 74 km away
  8. 2.6112 km SW of Adak, Alaska · 1117 days ago · 35 km deep · 88 km away
  9. 1.661 km SE of Adak, Alaska · 1116 days ago · 23 km deep · 39 km away
  10. 1.672 km SW of Adak, Alaska · 1116 days ago · 39 km deep · 47 km away
  11. 2.996 km SW of Adak, Alaska · 1116 days ago · 35 km deep · 78 km away
  12. 1.829 km SW of Adak, Alaska · 1115 days ago · 2 km deep · 33 km away
  13. 2.215 km ESE of Adak, Alaska · 1115 days ago · 101 km deep · 39 km away
  14. 5.044 km SSE of Adak, Alaska · 1115 days ago · 50 km deep · 16 km away · felt by 2
  15. 1.958 km SSE of Adak, Alaska · 1115 days ago · 24 km deep · 24 km away
  16. 1.968 km SSW of Adak, Alaska · 1115 days ago · 26 km deep · 34 km away
  17. 1.768 km SSW of Adak, Alaska · 1114 days ago · 25 km deep · 32 km away
  18. 2.163 km SE of Adak, Alaska · 1114 days ago · 23 km deep · 46 km away
  19. 1.956 km S of Adak, Alaska · 1114 days ago · 37 km deep · 16 km away
  20. 2.650 km WSW of Adak, Alaska · 1114 days ago · 78 km deep · 56 km away
  21. 2.649 km S of Adak, Alaska · 1113 days ago · 40 km deep · 7 km away
  22. 1.860 km SSE of Adak, Alaska · 1113 days ago · 22 km deep · 34 km away
  23. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1113 days ago · 22 km deep · 30 km away
  24. 2.064 km SSW of Adak, Alaska · 1113 days ago · 46 km deep · 35 km away
  25. 2.759 km S of Adak, Alaska · 1112 days ago · 35 km deep · 18 km away
  26. 1.757 km S of Adak, Alaska · 1112 days ago · 39 km deep · 18 km away
  27. 2.072 km SSW of Adak, Alaska · 1112 days ago · 32 km deep · 40 km away
  28. 3.878 km SE of Adak, Alaska · 1112 days ago · 35 km deep · 61 km away
  29. 1.733 km SE of Adak, Alaska · 1112 days ago · 64 km deep · 30 km away
  30. 1.830 km WSW of Adak, Alaska · 1112 days ago · 13 km deep · 39 km away
  31. 1.753 km SW of Adak, Alaska · 1111 days ago · 55 km deep · 35 km away
  32. 1.792 km ESE of Adak, Alaska · 1110 days ago · 29 km deep · 88 km away
  33. 1.836 km W of Adak, Alaska · 1110 days ago · 79 km deep · 50 km away
  34. 1.863 km SSW of Adak, Alaska · 1110 days ago · 33 km deep · 31 km away
  35. 1.756 km SSE of Adak, Alaska · 1109 days ago · 25 km deep · 25 km away
  36. 2.226 km E of Adak, Alaska · 1108 days ago · 67 km deep · 48 km away
  37. 2.954 km SW of Adak, Alaska · 1107 days ago · 65 km deep · 44 km away
  38. 2.7Andreanof Islands, Aleutian Islands, Alaska · 1107 days ago · 35 km deep · 81 km away
  39. 1.996 km SW of Adak, Alaska · 1107 days ago · 23 km deep · 71 km away
  40. 2.081 km SW of Adak, Alaska · 1106 days ago · 39 km deep · 64 km away
  41. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1106 days ago · 26 km deep · 80 km away
  42. 1.886 km WSW of Adak, Alaska · 1105 days ago · 38 km deep · 72 km away
  43. 1.632 km SSE of Adak, Alaska · 1105 days ago · 44 km deep · 22 km away
  44. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1104 days ago · 138 km deep · 71 km away
  45. 1.643 km S of Adak, Alaska · 1103 days ago · 33 km deep · 4 km away
  46. 3.251 km S of Adak, Alaska · 1103 days ago · 10 km deep · 11 km away
  47. 1.648 km ENE of Adak, Alaska · 1102 days ago · 5 km deep · 77 km away
  48. 1.948 km ENE of Adak, Alaska · 1102 days ago · 5 km deep · 78 km away
  49. 1.761 km SW of Adak, Alaska · 1102 days ago · 44 km deep · 49 km away
  50. 1.678 km SSE of Adak, Alaska · 1101 days ago · 20 km deep · 39 km away
  51. 1.668 km S of Adak, Alaska · 1101 days ago · 19 km deep · 29 km away
  52. 1.869 km SSE of Adak, Alaska · 1101 days ago · 20 km deep · 33 km away
  53. 1.8116 km SW of Adak, Alaska · 1101 days ago · 13 km deep · 98 km away
  54. 1.839 km ESE of Adak, Alaska · 1101 days ago · 62 km deep · 48 km away
  55. 1.675 km SW of Adak, Alaska · 1100 days ago · 45 km deep · 59 km away
  56. 3.072 km SSW of Adak, Alaska · 1100 days ago · 35 km deep · 41 km away
  57. 2.780 km SSE of Adak, Alaska · 1100 days ago · 35 km deep · 42 km away
  58. 2.057 km SSE of Adak, Alaska · 1099 days ago · 35 km deep · 26 km away
  59. 1.662 km SSW of Adak, Alaska · 1099 days ago · 25 km deep · 29 km away
  60. 1.7106 km WSW of Adak, Alaska · 1099 days ago · 11 km deep · 93 km away

The first 60 of 188.

Before

  1. 2.779 km ESE of Adak, Alaska · 1118 days ago · 35 km deep · 72 km away
  2. 1.828 km SSE of Adak, Alaska · 1119 days ago · 46 km deep · 21 km away
  3. 1.751 km SE of Adak, Alaska · 1119 days ago · 31 km deep · 33 km away
  4. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1119 days ago · 25 km deep · 61 km away
  5. 1.679 km W of Adak, Alaska · 1119 days ago · -2 km deep · 88 km away
  6. 2.622 km ESE of Adak, Alaska · 1119 days ago · 68 km deep · 36 km away
  7. 1.621 km S of Adak, Alaska · 1120 days ago · 65 km deep · 20 km away
  8. 1.546 km SSW of Adak, Alaska · 1120 days ago · 42 km deep · 22 km away
  9. 1.719 km WSW of Adak, Alaska · 1120 days ago · 77 km deep · 40 km away
  10. 2.048 km SSW of Adak, Alaska · 1120 days ago · 39 km deep · 23 km away
  11. 1.891 km WSW of Adak, Alaska · 1120 days ago · 28 km deep · 81 km away
  12. 1.676 km WSW of Adak, Alaska · 1120 days ago · 45 km deep · 64 km away
  13. 1.524 km SSW of Adak, Alaska · 1120 days ago · 65 km deep · 22 km away
  14. 1.780 km SE of Adak, Alaska · 1121 days ago · 20 km deep · 63 km away
  15. 2.053 km NE of Adak, Alaska · 1121 days ago · 132 km deep · 88 km away
  16. 1.542 km S of Adak, Alaska · 1121 days ago · 35 km deep · 4 km away
  17. 1.597 km WSW of Adak, Alaska · 1121 days ago · 37 km deep · 82 km away
  18. 1.5103 km SW of Adak, Alaska · 1121 days ago · 20 km deep · 75 km away
  19. 1.973 km ESE of Adak, Alaska · 1122 days ago · 34 km deep · 69 km away
  20. 2.0103 km WSW of Adak, Alaska · 1122 days ago · 68 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak023bl4py0r. Read Thu, Oct 1, 2026, 8:29 PM UTC.