Alaska earthquakes

M3.4 earthquake 55 km SE of Adak, Alaska

A magnitude 3.4 earthquake struck 55 km SE of Adak, Alaska on Mon, Sep 2, 2024, 3:32 PM HADT (00:32 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.0 68 km SSW 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
3.4 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-09-03 00:32:48 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.482° N, 176.133° 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
3.4ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.105 · 12 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 4.1 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
20

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 118 in the 30 days before it.

After

  1. 2.076 km SW of Adak, Alaska · 758 days ago · 43 km deep · 94 km away
  2. 1.540 km SSE of Adak, Alaska · 758 days ago · 33 km deep · 17 km away
  3. 1.785 km SE of Adak, Alaska · 758 days ago · 20 km deep · 37 km away
  4. 3.769 km SSW of Adak, Alaska · 758 days ago · 44 km deep · 72 km away
  5. 1.941 km SE of Adak, Alaska · 758 days ago · 63 km deep · 20 km away
  6. 2.056 km SW of Adak, Alaska · 757 days ago · 52 km deep · 70 km away
  7. 2.169 km ENE of Adak, Alaska · 757 days ago · 113 km deep · 78 km away
  8. 1.667 km SSW of Adak, Alaska · 757 days ago · 21 km deep · 61 km away
  9. 1.744 km SSW of Adak, Alaska · 755 days ago · 37 km deep · 45 km away
  10. 1.669 km ESE of Adak, Alaska · 755 days ago · 45 km deep · 44 km away
  11. 1.833 km S of Adak, Alaska · 755 days ago · 33 km deep · 39 km away
  12. 2.828 km E of Adak, Alaska · 754 days ago · 87 km deep · 47 km away
  13. 1.767 km WSW of Atka, Alaska · 754 days ago · 66 km deep · 88 km away
  14. 2.048 km E of Adak, Alaska · 754 days ago · 119 km deep · 51 km away
  15. 1.940 km SSE of Adak, Alaska · 753 days ago · 39 km deep · 21 km away
  16. 1.871 km WSW of Adak, Alaska · 753 days ago · 39 km deep · 97 km away
  17. 1.810 km WNW of Adak, Alaska · 752 days ago · 83 km deep · 64 km away
  18. 2.128 km NW of Adak, Alaska · 752 days ago · 112 km deep · 84 km away
  19. 2.864 km ESE of Adak, Alaska · 752 days ago · 35 km deep · 25 km away
  20. 3.087 km SSE of Adak, Alaska · 752 days ago · 30 km deep · 35 km away
  21. 1.957 km E of Adak, Alaska · 752 days ago · 74 km deep · 58 km away
  22. 1.792 km ESE of Adak, Alaska · 751 days ago · 19 km deep · 44 km away
  23. 2.019 km NE of Adak, Alaska · 751 days ago · 134 km deep · 60 km away
  24. 3.187 km SSE of Adak, Alaska · 751 days ago · 24 km deep · 33 km away
  25. 2.865 km SE of Adak, Alaska · 751 days ago · 35 km deep · 16 km away
  26. 3.791 km SW of Atka, Alaska · 751 days ago · 35 km deep · 70 km away
  27. 2.691 km SW of Atka, Alaska · 751 days ago · 35 km deep · 70 km away
  28. 2.844 km SW of Adak, Alaska · 751 days ago · 63 km deep · 67 km away
  29. 2.067 km E of Adak, Alaska · 750 days ago · 23 km deep · 45 km away
  30. 2.095 km SSE of Adak, Alaska · 749 days ago · 11 km deep · 51 km away
  31. 3.154 km SW of Adak, Alaska · 749 days ago · 53 km deep · 66 km away
  32. 1.937 km S of Adak, Alaska · 749 days ago · 30 km deep · 36 km away
  33. 2.076 km SSE of Adak, Alaska · 749 days ago · 20 km deep · 30 km away
  34. 1.761 km SE of Adak, Alaska · 749 days ago · 15 km deep · 6 km away
  35. 1.643 km S of Adak, Alaska · 748 days ago · 24 km deep · 41 km away
  36. 1.732 km SE of Adak, Alaska · 748 days ago · 59 km deep · 25 km away
  37. 1.869 km SE of Adak, Alaska · 748 days ago · 26 km deep · 19 km away
  38. 1.652 km E of Adak, Alaska · 748 days ago · 70 km deep · 45 km away
  39. 1.836 km SSE of Adak, Alaska · 748 days ago · 42 km deep · 20 km away
  40. 1.890 km SW of Atka, Alaska · 748 days ago · 26 km deep · 82 km away
  41. 1.997 km SSE of Adak, Alaska · 748 days ago · 13 km deep · 48 km away
  42. 1.859 km SSE of Adak, Alaska · 748 days ago · 25 km deep · 15 km away
  43. 2.745 km SSE of Adak, Alaska · 747 days ago · 35 km deep · 15 km away
  44. 2.673 km SSE of Adak, Alaska · 746 days ago · 10 km deep · 19 km away
  45. 2.071 km SSE of Adak, Alaska · 746 days ago · 26 km deep · 28 km away
  46. 3.226 km SE of Adak, Alaska · 746 days ago · 61 km deep · 29 km away
  47. 1.7101 km SW of Atka, Alaska · 745 days ago · 14 km deep · 64 km away
  48. 3.132 km N of Adak, Alaska · 745 days ago · 232 km deep · 84 km away
  49. 2.854 km E of Adak, Alaska · 744 days ago · 66 km deep · 45 km away
  50. 1.762 km SE of Adak, Alaska · 743 days ago · 23 km deep · 9 km away
  51. 1.970 km E of Adak, Alaska · 743 days ago · 65 km deep · 55 km away
  52. 2.767 km SE of Adak, Alaska · 743 days ago · 35 km deep · 14 km away
  53. 2.657 km WSW of Adak, Alaska · 743 days ago · 75 km deep · 86 km away
  54. 1.767 km WSW of Adak, Alaska · 743 days ago · 61 km deep · 97 km away
  55. 2.978 km SW of Adak, Alaska · 742 days ago · 35 km deep · 96 km away
  56. 2.676 km ENE of Adak, Alaska · 742 days ago · 191 km deep · 79 km away
  57. 1.558 km SE of Adak, Alaska · 742 days ago · 5 km deep · 3 km away
  58. 1.958 km SE of Adak, Alaska · 742 days ago · 26 km deep · 3 km away
  59. 1.665 km WSW of Atka, Alaska · 742 days ago · 55 km deep · 90 km away
  60. 3.195 km SSE of Adak, Alaska · 742 days ago · 10 km deep · 47 km away

The first 60 of at least 199.

Before

  1. 1.677 km E of Adak, Alaska · 759 days ago · 66 km deep · 72 km away
  2. 1.672 km SW of Atka, Alaska · 760 days ago · 68 km deep · 82 km away
  3. 1.558 km E of Adak, Alaska · 760 days ago · 70 km deep · 47 km away
  4. 2.165 km ENE of Adak, Alaska · 760 days ago · 156 km deep · 79 km away
  5. 1.956 km NE of Adak, Alaska · 760 days ago · 125 km deep · 78 km away
  6. 2.2116 km S of Adak, Alaska · 761 days ago · 19 km deep · 79 km away
  7. 1.833 km SSE of Adak, Alaska · 761 days ago · 22 km deep · 23 km away
  8. 1.565 km SE of Adak, Alaska · 761 days ago · 26 km deep · 12 km away
  9. 1.665 km SW of Atka, Alaska · 761 days ago · 74 km deep · 90 km away
  10. 3.073 km ENE of Adak, Alaska · 761 days ago · 215 km deep · 87 km away
  11. 1.592 km SW of Adak, Alaska · 761 days ago · 24 km deep · 94 km away
  12. 1.917 km NNE of Adak, Alaska · 761 days ago · 131 km deep · 64 km away
  13. 1.960 km SE of Adak, Alaska · 761 days ago · 26 km deep · 5 km away
  14. 1.938 km SSW of Adak, Alaska · 761 days ago · 30 km deep · 55 km away
  15. 1.552 km WSW of Adak, Alaska · 761 days ago · 19 km deep · 84 km away
  16. 1.872 km E of Adak, Alaska · 762 days ago · 79 km deep · 64 km away
  17. 1.660 km SE of Adak, Alaska · 762 days ago · 13 km deep · 9 km away
  18. 2.8118 km SSW of Atka, Alaska · 762 days ago · 35 km deep · 87 km away
  19. 3.5118 km SSW of Atka, Alaska · 762 days ago · 14 km deep · 78 km away
  20. 1.859 km SE of Adak, Alaska · 762 days ago · 22 km deep · 4 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000nygl (also filed as ak024bchxonv). Read Thu, Oct 1, 2026, 2:56 PM UTC.