Alaska earthquakes

M3.3 earthquake 77 km WSW of Atka, Alaska

A magnitude 3.3 earthquake struck 77 km WSW of Atka, Alaska on Tue, Dec 24, 2024, 4:20 AM HAST (14:20 UTC), 78 km (48 mi) below the surface.

A larger quake followed: M4.0 101 km ESE 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
3.3 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-12-24 14:20:12 UTC
Depth
77.6 km (48.2 mi), intermediate-depth
Epicenter
51.855° N, 175.191° 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 · ±0.097 · 14 stations
2.8ML, 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 12.6 km horizontally, 23.9 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
203°, poorly surrounded by stations
Stations used
22

Nearby

Within 100 km, magnitude 1.5 and up: 142 in the 60 days after this one and 68 in the 30 days before it.

After

  1. 2.657 km NNE of Adak, Alaska · 646 days ago · 144 km deep · 87 km away
  2. 3.870 km SE of Adak, Alaska · 645 days ago · 35 km deep · 64 km away
  3. 2.620 km SSE of Adak, Alaska · 644 days ago · 65 km deep · 95 km away
  4. 2.251 km SSW of Atka, Alaska · 644 days ago · 10 km deep · 47 km away
  5. 2.847 km S of Atka, Alaska · 643 days ago · 61 km deep · 70 km away
  6. 1.946 km SW of Atka, Alaska · 643 days ago · 23 km deep · 37 km away
  7. 3.329 km S of Atka, Alaska · 643 days ago · 110 km deep · 70 km away
  8. 2.368 km S of Atka, Alaska · 642 days ago · 8 km deep · 66 km away
  9. 2.132 km S of Adak, Alaska · 642 days ago · 60 km deep · 99 km away
  10. 4.0101 km ESE of Adak, Alaska · 642 days ago · 33 km deep · 52 km away
  11. 2.3104 km SE of Adak, Alaska · 642 days ago · 5 km deep · 59 km away
  12. 3.382 km ESE of Adak, Alaska · 641 days ago · 35 km deep · 46 km away
  13. 1.981 km ESE of Adak, Alaska · 641 days ago · 23 km deep · 48 km away
  14. 1.854 km SE of Adak, Alaska · 640 days ago · 24 km deep · 76 km away
  15. 2.230 km ESE of Atka, Alaska · 639 days ago · 12 km deep · 100 km away
  16. 1.762 km SSE of Adak, Alaska · 639 days ago · 10 km deep · 98 km away
  17. 2.655 km ENE of Adak, Alaska · 639 days ago · 178 km deep · 58 km away
  18. 2.788 km SE of Adak, Alaska · 639 days ago · 29 km deep · 55 km away
  19. 2.029 km ESE of Atka, Alaska · 638 days ago · 6 km deep · 96 km away
  20. 2.830 km W of Atka, Alaska · 638 days ago · 195 km deep · 58 km away
  21. 2.224 km SE of Adak, Alaska · 638 days ago · 65 km deep · 83 km away
  22. 1.971 km ESE of Adak, Alaska · 638 days ago · 58 km deep · 33 km away
  23. 2.060 km ESE of Adak, Alaska · 635 days ago · 36 km deep · 50 km away
  24. 2.086 km ESE of Adak, Alaska · 635 days ago · 26 km deep · 32 km away
  25. 2.939 km SSW of Atka, Alaska · 635 days ago · 76 km deep · 51 km away
  26. 2.123 km S of Adak, Alaska · 635 days ago · 59 km deep · 98 km away
  27. 2.426 km SSE of Adak, Alaska · 634 days ago · 64 km deep · 92 km away
  28. 2.352 km S of Atka, Alaska · 634 days ago · 45 km deep · 79 km away
  29. 2.987 km SE of Adak, Alaska · 634 days ago · 35 km deep · 55 km away
  30. 2.179 km SE of Adak, Alaska · 634 days ago · 19 km deep · 57 km away
  31. 1.964 km SE of Adak, Alaska · 634 days ago · 26 km deep · 76 km away
  32. 2.224 km WSW of Atka, Alaska · 631 days ago · 86 km deep · 53 km away
  33. 1.963 km SW of Atka, Alaska · 631 days ago · 46 km deep · 33 km away
  34. 2.866 km E of Adak, Alaska · 631 days ago · 159 km deep · 33 km away
  35. 2.551 km SSE of Adak, Alaska · 630 days ago · 36 km deep · 93 km away
  36. 2.170 km SSW of Atka, Alaska · 630 days ago · 24 km deep · 44 km away
  37. 3.564 km SE of Adak, Alaska · 630 days ago · 35 km deep · 81 km away
  38. 2.671 km SE of Adak, Alaska · 630 days ago · 35 km deep · 80 km away
  39. 2.679 km SE of Adak, Alaska · 630 days ago · 35 km deep · 83 km away
  40. 3.226 km NNE of Adak, Alaska · 630 days ago · 140 km deep · 95 km away
  41. 2.865 km SW of Atka, Alaska · 630 days ago · 57 km deep · 28 km away
  42. 2.344 km SW of Atka, Alaska · 629 days ago · 61 km deep · 40 km away
  43. 3.034 km SW of Atka, Alaska · 629 days ago · 79 km deep · 47 km away
  44. 2.629 km SSW of Atka, Alaska · 628 days ago · 76 km deep · 56 km away
  45. 1.876 km ESE of Adak, Alaska · 628 days ago · 22 km deep · 53 km away
  46. 1.617 km S of Atka, Alaska · 628 days ago · 14 km deep · 74 km away
  47. 2.166 km SW of Atka, Alaska · 627 days ago · 25 km deep · 18 km away
  48. 1.951 km SSE of Adak, Alaska · 627 days ago · 17 km deep · 83 km away
  49. 2.682 km SE of Adak, Alaska · 627 days ago · 35 km deep · 63 km away
  50. 2.162 km SSW of Atka, Alaska · 627 days ago · 59 km deep · 49 km away
  51. 2.261 km WSW of Atka, Alaska · 626 days ago · 5 km deep · 24 km away
  52. 4.038 km SSE of Atka, Alaska · 626 days ago · 71 km deep · 89 km away · felt by 1
  53. 2.675 km SE of Adak, Alaska · 625 days ago · 35 km deep · 72 km away
  54. 2.174 km SE of Adak, Alaska · 625 days ago · 32 km deep · 71 km away
  55. 1.759 km SE of Adak, Alaska · 625 days ago · 19 km deep · 76 km away
  56. 2.241 km ENE of Adak, Alaska · 625 days ago · 103 km deep · 69 km away
  57. 1.66 km NNE of Adak, Alaska · 625 days ago · 1 km deep · 96 km away
  58. 2.078 km ESE of Adak, Alaska · 624 days ago · 16 km deep · 50 km away
  59. 2.033 km SE of Adak, Alaska · 624 days ago · 58 km deep · 73 km away
  60. 1.96 km NE of Adak, Alaska · 624 days ago · 7 km deep · 95 km away

The first 60 of 142.

Before

  1. 3.610 km SE of Adak, Alaska · 647 days ago · 77 km deep · 91 km away
  2. 2.365 km S of Atka, Alaska · 647 days ago · 20 km deep · 69 km away
  3. 1.863 km SE of Adak, Alaska · 649 days ago · 24 km deep · 69 km away
  4. 1.963 km SE of Adak, Alaska · 649 days ago · 23 km deep · 69 km away
  5. 1.990 km ESE of Adak, Alaska · 649 days ago · 31 km deep · 30 km away
  6. 1.756 km SSE of Adak, Alaska · 649 days ago · 18 km deep · 94 km away
  7. 1.940 km WSW of Atka, Alaska · 649 days ago · 25 km deep · 38 km away
  8. 1.732 km SSE of Adak, Alaska · 649 days ago · 49 km deep · 87 km away
  9. 1.759 km SE of Adak, Alaska · 650 days ago · 25 km deep · 61 km away
  10. 1.865 km SE of Adak, Alaska · 650 days ago · 24 km deep · 72 km away
  11. 2.940 km SW of Atka, Alaska · 650 days ago · 72 km deep · 45 km away
  12. 2.024 km ESE of Atka, Alaska · 650 days ago · 13 km deep · 94 km away
  13. 2.621 km ENE of Adak, Alaska · 651 days ago · 80 km deep · 78 km away
  14. 2.269 km ESE of Adak, Alaska · 652 days ago · 47 km deep · 36 km away
  15. 2.648 km E of Adak, Alaska · 652 days ago · 125 km deep · 51 km away
  16. 1.880 km E of Adak, Alaska · 653 days ago · 61 km deep · 19 km away
  17. 2.324 km NNW of Atka, Alaska · 653 days ago · 149 km deep · 80 km away
  18. 2.056 km SSE of Adak, Alaska · 654 days ago · 26 km deep · 100 km away
  19. 2.666 km SE of Adak, Alaska · 654 days ago · 35 km deep · 68 km away
  20. 2.027 km SE of Atka, Alaska · 654 days ago · 19 km deep · 92 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000pkvf (also filed as ak024ghydz5l). Read Thu, Oct 1, 2026, 7:47 PM UTC.