Alaska earthquakes

M3.3 earthquake 78 km S of Atka, Alaska

A magnitude 3.3 earthquake struck 78 km S of Atka, Alaska on Tue, Aug 6, 2024, 9:58 AM HADT (18:58 UTC), 48 km (30 mi) below the surface.

A larger quake followed: M4.5 29 km ENE of Atka, 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
3.3 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-08-06 18:58:50 UTC
Depth
48.0 km (29.8 mi), shallow
Epicenter
51.494° N, 174.301° 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
3.3ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.074 · 24 stations
3.0ML, 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 6.7 km horizontally, 28.1 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
207°, poorly surrounded by stations
Stations used
29

Nearby

Within 100 km, magnitude 1.5 and up: 150 in the 60 days after this one and 118 in the 30 days before it.

After

  1. 2.096 km S of Atka, Alaska · 787 days ago · 7 km deep · 19 km away
  2. 1.988 km S of Atka, Alaska · 786 days ago · 8 km deep · 11 km away
  3. 2.899 km ESE of Adak, Alaska · 786 days ago · 35 km deep · 69 km away
  4. 2.747 km SE of Atka, Alaska · 785 days ago · 8 km deep · 65 km away
  5. 3.575 km SW of Atka, Alaska · 785 days ago · 35 km deep · 44 km away
  6. 1.833 km SSW of Atka, Alaska · 784 days ago · 57 km deep · 47 km away
  7. 2.268 km ESE of Adak, Alaska · 784 days ago · 42 km deep · 99 km away
  8. 3.319 km NE of Atka, Alaska · 784 days ago · 164 km deep · 94 km away
  9. 2.747 km ESE of Atka, Alaska · 784 days ago · 10 km deep · 70 km away
  10. 2.68 km WSW of Atka, Alaska · 783 days ago · 170 km deep · 74 km away
  11. 1.9102 km SE of Adak, Alaska · 782 days ago · 26 km deep · 78 km away
  12. 2.333 km ESE of Atka, Alaska · 782 days ago · 7 km deep · 71 km away
  13. 1.932 km SE of Atka, Alaska · 782 days ago · 5 km deep · 68 km away
  14. 2.742 km SE of Atka, Alaska · 782 days ago · 11 km deep · 66 km away
  15. 3.441 km SE of Atka, Alaska · 782 days ago · 8 km deep · 64 km away
  16. 2.030 km ESE of Atka, Alaska · 782 days ago · 13 km deep · 72 km away
  17. 2.170 km ESE of Atka, Alaska · 781 days ago · 56 km deep · 78 km away
  18. 1.736 km S of Atka, Alaska · 781 days ago · 66 km deep · 42 km away
  19. 1.878 km SE of Adak, Alaska · 781 days ago · 32 km deep · 97 km away
  20. 1.951 km SSE of Atka, Alaska · 781 days ago · 24 km deep · 33 km away
  21. 1.634 km ESE of Atka, Alaska · 781 days ago · 6 km deep · 71 km away
  22. 1.940 km SSW of Atka, Alaska · 781 days ago · 11 km deep · 41 km away
  23. 1.733 km ESE of Atka, Alaska · 781 days ago · 11 km deep · 76 km away
  24. 1.945 km SSW of Atka, Alaska · 781 days ago · 10 km deep · 34 km away
  25. 1.631 km ESE of Atka, Alaska · 781 days ago · 12 km deep · 75 km away
  26. 1.643 km ESE of Atka, Alaska · 781 days ago · 16 km deep · 86 km away
  27. 1.8100 km SE of Atka, Alaska · 781 days ago · 31 km deep · 77 km away
  28. 1.545 km ESE of Atka, Alaska · 781 days ago · 9 km deep · 76 km away
  29. 1.636 km ESE of Atka, Alaska · 780 days ago · 13 km deep · 79 km away
  30. 2.1125 km S of Atka, Alaska · 780 days ago · 15 km deep · 54 km away
  31. 2.3159 km S of Atka, Alaska · 779 days ago · 7 km deep · 83 km away
  32. 1.815 km SSW of Atka, Alaska · 779 days ago · 65 km deep · 65 km away
  33. 3.540 km SE of Atka, Alaska · 778 days ago · 13 km deep · 65 km away
  34. 2.242 km E of Atka, Alaska · 778 days ago · 26 km deep · 95 km away
  35. 3.140 km ESE of Atka, Alaska · 778 days ago · 17 km deep · 71 km away
  36. 2.145 km S of Atka, Alaska · 778 days ago · 19 km deep · 34 km away
  37. 2.826 km SSE of Atka, Alaska · 778 days ago · 77 km deep · 55 km away
  38. 2.644 km SE of Atka, Alaska · 777 days ago · 15 km deep · 62 km away
  39. 1.945 km SE of Atka, Alaska · 777 days ago · 23 km deep · 68 km away
  40. 2.134 km ESE of Atka, Alaska · 777 days ago · 7 km deep · 71 km away
  41. 2.968 km SSW of Atka, Alaska · 777 days ago · 35 km deep · 13 km away
  42. 2.984 km SSE of Atka, Alaska · 777 days ago · 10 km deep · 51 km away
  43. 3.345 km SE of Atka, Alaska · 777 days ago · 4 km deep · 65 km away
  44. 3.423 km NNW of Atka, Alaska · 776 days ago · 150 km deep · 100 km away
  45. 2.152 km SSW of Atka, Alaska · 776 days ago · 39 km deep · 36 km away
  46. 2.575 km W of Atka, Alaska · 774 days ago · 14 km deep · 98 km away
  47. 2.181 km SSE of Atka, Alaska · 774 days ago · 42 km deep · 53 km away
  48. 2.066 km ESE of Atka, Alaska · 774 days ago · 4 km deep · 84 km away
  49. 1.917 km SSE of Atka, Alaska · 774 days ago · 79 km deep · 65 km away
  50. 3.235 km SE of Atka, Alaska · 774 days ago · 13 km deep · 67 km away
  51. 1.933 km ESE of Atka, Alaska · 773 days ago · 8 km deep · 78 km away
  52. 3.499 km SW of Atka, Alaska · 773 days ago · 35 km deep · 66 km away
  53. 2.047 km SSW of Atka, Alaska · 772 days ago · 44 km deep · 35 km away
  54. 1.985 km WSW of Atka, Alaska · 772 days ago · 71 km deep · 88 km away
  55. 2.944 km E of Atka, Alaska · 772 days ago · 113 km deep · 96 km away
  56. 1.755 km SSW of Atka, Alaska · 771 days ago · 22 km deep · 31 km away
  57. 1.949 km WSW of Atka, Alaska · 771 days ago · 75 km deep · 62 km away
  58. 2.138 km SW of Atka, Alaska · 771 days ago · 69 km deep · 55 km away
  59. 1.884 km WSW of Atka, Alaska · 771 days ago · 69 km deep · 92 km away
  60. 1.929 km ESE of Atka, Alaska · 771 days ago · 5 km deep · 73 km away

The first 60 of 150.

Before

  1. 2.133 km ESE of Atka, Alaska · 787 days ago · 8 km deep · 73 km away
  2. 1.941 km ESE of Atka, Alaska · 788 days ago · 8 km deep · 73 km away
  3. 3.140 km SE of Atka, Alaska · 788 days ago · 10 km deep · 66 km away
  4. 2.132 km ESE of Atka, Alaska · 788 days ago · 5 km deep · 72 km away
  5. 1.945 km WSW of Atka, Alaska · 788 days ago · 92 km deep · 72 km away
  6. 2.943 km SE of Atka, Alaska · 788 days ago · 10 km deep · 65 km away
  7. 2.132 km ESE of Atka, Alaska · 788 days ago · 6 km deep · 70 km away
  8. 2.435 km ESE of Atka, Alaska · 788 days ago · 7 km deep · 73 km away
  9. 2.841 km SE of Atka, Alaska · 788 days ago · 10 km deep · 68 km away
  10. 3.642 km SE of Atka, Alaska · 788 days ago · 10 km deep · 66 km away
  11. 2.1111 km SSE of Atka, Alaska · 788 days ago · 2 km deep · 47 km away
  12. 2.033 km ESE of Atka, Alaska · 788 days ago · 6 km deep · 70 km away
  13. 3.047 km SE of Atka, Alaska · 788 days ago · 10 km deep · 69 km away
  14. 3.179 km SE of Adak, Alaska · 788 days ago · 40 km deep · 97 km away
  15. 1.831 km ESE of Atka, Alaska · 789 days ago · 4 km deep · 73 km away
  16. 2.630 km WNW of Atka, Alaska · 789 days ago · 219 km deep · 96 km away
  17. 1.839 km ESE of Atka, Alaska · 789 days ago · 13 km deep · 81 km away
  18. 1.899 km ESE of Adak, Alaska · 790 days ago · 26 km deep · 73 km away
  19. 3.2102 km ESE of Adak, Alaska · 790 days ago · 35 km deep · 75 km away
  20. 2.627 km WNW of Atka, Alaska · 791 days ago · 182 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000nt5h (also filed as ak024a2hrclt). Read Fri, Oct 2, 2026, 8:47 AM UTC.