Alaska earthquakes

M3.3 earthquake 88 km S of Atka, Alaska

A magnitude 3.3 earthquake struck 88 km S of Atka, Alaska on Sat, Aug 24, 2019, 6:19 PM HADT (03:19 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M4.1 24 km E 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
2019-08-25 03:19:45 UTC
Depth
22.9 km (14.2 mi), shallow
Epicenter
51.406° N, 174.124° 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 · ±0.115 · 10 stations
2.9ML, 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 4.8 km horizontally, 4.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
210°, poorly surrounded by stations
Stations used
25

Nearby

Within 100 km, magnitude 1.5 and up: 69 in the 60 days after this one and 39 in the 30 days before it.

After

  1. 1.661 km E of Atka, Alaska · 2594 days ago · 20 km deep · 99 km away
  2. 1.870 km SW of Atka, Alaska · 2593 days ago · 22 km deep · 70 km away
  3. 1.967 km SW of Atka, Alaska · 2593 days ago · 25 km deep · 72 km away
  4. 1.527 km W of Atka, Alaska · 2593 days ago · 7 km deep · 90 km away
  5. 2.675 km ESE of Atka, Alaska · 2591 days ago · 11 km deep · 99 km away
  6. 2.629 km WSW of Atka, Alaska · 2591 days ago · 10 km deep · 80 km away
  7. 1.859 km SW of Atka, Alaska · 2591 days ago · 15 km deep · 55 km away
  8. 2.264 km WSW of Atka, Alaska · 2591 days ago · 57 km deep · 87 km away
  9. 1.827 km W of Atka, Alaska · 2591 days ago · 7 km deep · 93 km away
  10. 2.683 km ESE of Atka, Alaska · 2591 days ago · 35 km deep · 85 km away
  11. 1.531 km WSW of Atka, Alaska · 2590 days ago · 9 km deep · 87 km away
  12. 2.361 km WSW of Atka, Alaska · 2590 days ago · 73 km deep · 91 km away
  13. 1.984 km ESE of Adak, Alaska · 2590 days ago · 47 km deep · 97 km away
  14. 1.927 km W of Atka, Alaska · 2589 days ago · 6 km deep · 90 km away
  15. 2.598 km SW of Atka, Alaska · 2588 days ago · 30 km deep · 83 km away
  16. 2.227 km W of Atka, Alaska · 2586 days ago · 70 km deep · 98 km away
  17. 1.542 km W of Atka, Alaska · 2585 days ago · 78 km deep · 98 km away
  18. 2.1125 km S of Atka, Alaska · 2585 days ago · 5 km deep · 38 km away
  19. 2.783 km SW of Atka, Alaska · 2584 days ago · 26 km deep · 77 km away
  20. 1.797 km ESE of Adak, Alaska · 2584 days ago · 35 km deep · 84 km away
  21. 2.269 km SSE of Atka, Alaska · 2584 days ago · 51 km deep · 27 km away
  22. 2.036 km SSW of Atka, Alaska · 2583 days ago · 7 km deep · 57 km away
  23. 3.1145 km S of Atka, Alaska · 2582 days ago · 10 km deep · 58 km away
  24. 1.874 km SW of Atka, Alaska · 2582 days ago · 37 km deep · 75 km away
  25. 2.220 km SW of Atka, Alaska · 2582 days ago · 39 km deep · 78 km away
  26. 2.251 km SW of Atka, Alaska · 2581 days ago · 4 km deep · 61 km away
  27. 2.028 km SSW of Atka, Alaska · 2580 days ago · 55 km deep · 65 km away
  28. 1.872 km SW of Atka, Alaska · 2580 days ago · 43 km deep · 66 km away
  29. 2.356 km WSW of Atka, Alaska · 2579 days ago · 57 km deep · 83 km away
  30. 4.124 km E of Atka, Alaska · 2578 days ago · 171 km deep · 88 km away
  31. 3.04 km SSW of Atka, Alaska · 2575 days ago · 81 km deep · 84 km away
  32. 2.1Andreanof Islands, Aleutian Islands, Alaska · 2575 days ago · 7 km deep · 86 km away
  33. 2.888 km S of Atka, Alaska · 2574 days ago · 30 km deep · 1 km away
  34. 2.184 km S of Atka, Alaska · 2574 days ago · 13 km deep · 16 km away
  35. 2.558 km WSW of Atka, Alaska · 2572 days ago · 80 km deep · 98 km away
  36. 3.797 km SW of Atka, Alaska · 2570 days ago · 30 km deep · 80 km away
  37. 2.296 km SSE of Atka, Alaska · 2570 days ago · 48 km deep · 32 km away
  38. 2.093 km ESE of Adak, Alaska · 2570 days ago · 44 km deep · 89 km away
  39. 1.8102 km SW of Atka, Alaska · 2569 days ago · 20 km deep · 79 km away
  40. 2.4Andreanof Islands, Aleutian Islands, Alaska · 2567 days ago · 12 km deep · 65 km away
  41. 1.825 km ESE of Atka, Alaska · 2566 days ago · 31 km deep · 77 km away
  42. 1.893 km SW of Atka, Alaska · 2564 days ago · 26 km deep · 76 km away
  43. 1.587 km E of Adak, Alaska · 2564 days ago · 62 km deep · 97 km away
  44. 1.868 km SSE of Atka, Alaska · 2564 days ago · 46 km deep · 39 km away
  45. 2.399 km SW of Atka, Alaska · 2564 days ago · 26 km deep · 80 km away
  46. 2.6174 km S of Atka, Alaska · 2562 days ago · 10 km deep · 87 km away
  47. 1.836 km SW of Atka, Alaska · 2560 days ago · 13 km deep · 65 km away
  48. 1.874 km S of Atka, Alaska · 2558 days ago · 6 km deep · 13 km away
  49. 1.972 km SSE of Atka, Alaska · 2557 days ago · 5 km deep · 31 km away
  50. 1.951 km SE of Atka, Alaska · 2556 days ago · 44 km deep · 54 km away
  51. 1.582 km SSW of Atka, Alaska · 2555 days ago · 10 km deep · 37 km away
  52. 1.7Andreanof Islands, Aleutian Islands, Alaska · 2555 days ago · 23 km deep · 43 km away
  53. 1.843 km S of Atka, Alaska · 2555 days ago · 25 km deep · 46 km away
  54. 1.647 km SSW of Atka, Alaska · 2553 days ago · 50 km deep · 51 km away
  55. 1.529 km SSW of Atka, Alaska · 2553 days ago · 75 km deep · 63 km away
  56. 2.2176 km SSE of Atka, Alaska · 2552 days ago · 10 km deep · 94 km away
  57. 1.784 km SW of Atka, Alaska · 2550 days ago · 52 km deep · 64 km away
  58. 1.816 km SW of Atka, Alaska · 2550 days ago · 17 km deep · 76 km away
  59. 2.5164 km SSE of Atka, Alaska · 2549 days ago · 10 km deep · 85 km away
  60. 2.547 km SSE of Atka, Alaska · 2549 days ago · 35 km deep · 43 km away

The first 60 of 69.

Before

  1. 1.584 km E of Adak, Alaska · 2595 days ago · 48 km deep · 99 km away
  2. 2.534 km ESE of Atka, Alaska · 2597 days ago · 12 km deep · 80 km away
  3. 1.785 km SW of Atka, Alaska · 2601 days ago · 26 km deep · 61 km away
  4. 2.350 km SSW of Atka, Alaska · 2604 days ago · 5 km deep · 47 km away
  5. 1.973 km SW of Atka, Alaska · 2606 days ago · 40 km deep · 67 km away
  6. 1.897 km S of Atka, Alaska · 2606 days ago · 66 km deep · 16 km away
  7. 1.892 km SW of Atka, Alaska · 2606 days ago · 39 km deep · 59 km away
  8. 2.2172 km SSE of Atka, Alaska · 2606 days ago · 0 km deep · 97 km away
  9. 2.1166 km S of Atka, Alaska · 2607 days ago · 23 km deep · 79 km away
  10. 1.880 km ESE of Atka, Alaska · 2607 days ago · 34 km deep · 80 km away
  11. 2.6103 km SSW of Atka, Alaska · 2607 days ago · 10 km deep · 30 km away
  12. 2.066 km ESE of Atka, Alaska · 2608 days ago · 56 km deep · 80 km away
  13. 3.786 km ESE of Atka, Alaska · 2608 days ago · 27 km deep · 89 km away
  14. 2.015 km SSW of Atka, Alaska · 2610 days ago · 66 km deep · 74 km away
  15. 2.4107 km SW of Atka, Alaska · 2610 days ago · 35 km deep · 70 km away
  16. 2.1120 km SSW of Atka, Alaska · 2610 days ago · 39 km deep · 66 km away
  17. 2.0119 km SSW of Atka, Alaska · 2610 days ago · 18 km deep · 66 km away
  18. 2.827 km SSW of Atka, Alaska · 2611 days ago · 76 km deep · 64 km away
  19. 2.37 km NNW of Atka, Alaska · 2612 days ago · 219 km deep · 95 km away
  20. 2.116 km SSE of Atka, Alaska · 2613 days ago · 131 km deep · 72 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60005m1x (also filed as ak019aw09uag). Read Thu, Oct 1, 2026, 6:28 PM UTC.