Alaska earthquakes

M4.2 earthquake 107 km SSW of Atka, Alaska

A magnitude 4.2 earthquake struck 107 km SSW of Atka, Alaska on Thu, May 8, 1986, 5:01 AM HADT (14:01 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.8 82 km SSE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
4.2 (mb), light
Local time
UTC
1986-05-08 14:01:58 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.321° N, 174.857° 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.

Depth from
OPERATOR_ASSIGNED

Nearby

Within 100 km, magnitude 1.5 and up: 171 in the 60 days after this one and 28 in the 30 days before it.

After

  1. 4.882 km SSE of Adak, Alaska · 14748 days ago · 33 km deep · 91 km away
  2. 4.696 km SE of Adak, Alaska · 14748 days ago · 33 km deep · 53 km away
  3. 5.288 km SSE of Adak, Alaska · 14748 days ago · 33 km deep · 86 km away
  4. 4.993 km ESE of Adak, Alaska · 14747 days ago · 33 km deep · 44 km away
  5. 5.481 km SSE of Atka, Alaska · 14747 days ago · 33 km deep · 71 km away
  6. 4.898 km SW of Atka, Alaska · 14747 days ago · 33 km deep · 33 km away
  7. 4.7101 km SW of Atka, Alaska · 14747 days ago · 33 km deep · 31 km away
  8. 4.683 km SE of Adak, Alaska · 14747 days ago · 33 km deep · 64 km away
  9. 4.896 km SSW of Atka, Alaska · 14747 days ago · 33 km deep · 18 km away
  10. 4.5Andreanof Islands, Aleutian Islands, Alaska · 14747 days ago · 33 km deep · 89 km away
  11. 4.492 km SW of Atka, Alaska · 14747 days ago · 33 km deep · 49 km away
  12. 4.855 km SSW of Atka, Alaska · 14747 days ago · 33 km deep · 52 km away
  13. 5.176 km SSE of Atka, Alaska · 14747 days ago · 33 km deep · 68 km away
  14. 5.141 km SSE of Atka, Alaska · 14747 days ago · 33 km deep · 79 km away
  15. 4.863 km SSE of Adak, Alaska · 14747 days ago · 33 km deep · 97 km away
  16. 4.588 km SSE of Atka, Alaska · 14747 days ago · 33 km deep · 70 km away
  17. 5.0Andreanof Islands, Aleutian Islands, Alaska · 14747 days ago · 33 km deep · 39 km away
  18. 4.489 km ESE of Adak, Alaska · 14747 days ago · 33 km deep · 48 km away
  19. 4.369 km SE of Atka, Alaska · 14747 days ago · 33 km deep · 99 km away
  20. 4.795 km SSE of Atka, Alaska · 14747 days ago · 33 km deep · 94 km away
  21. 4.876 km ESE of Adak, Alaska · 14747 days ago · 33 km deep · 61 km away
  22. 3.976 km SW of Atka, Alaska · 14747 days ago · 33 km deep · 52 km away
  23. 4.559 km ESE of Adak, Alaska · 14747 days ago · 33 km deep · 77 km away
  24. 4.587 km SE of Adak, Alaska · 14747 days ago · 33 km deep · 72 km away
  25. 4.883 km SSE of Adak, Alaska · 14747 days ago · 33 km deep · 93 km away
  26. 4.726 km S of Atka, Alaska · 14747 days ago · 33 km deep · 87 km away
  27. 4.236 km WSW of Atka, Alaska · 14747 days ago · 33 km deep · 88 km away
  28. 5.158 km SSE of Adak, Alaska · 14747 days ago · 33 km deep · 93 km away
  29. 4.981 km SSE of Atka, Alaska · 14746 days ago · 33 km deep · 65 km away
  30. 5.981 km S of Atka, Alaska · 14746 days ago · 33 km deep · 45 km away
  31. 5.883 km S of Atka, Alaska · 14746 days ago · 33 km deep · 56 km away
  32. 5.276 km SSE of Adak, Alaska · 14746 days ago · 33 km deep · 99 km away
  33. 5.0111 km SE of Adak, Alaska · 14746 days ago · 33 km deep · 51 km away
  34. 4.4110 km ESE of Adak, Alaska · 14746 days ago · 33 km deep · 28 km away
  35. 4.882 km S of Atka, Alaska · 14746 days ago · 33 km deep · 38 km away
  36. 4.383 km SSE of Adak, Alaska · 14746 days ago · 33 km deep · 93 km away
  37. 4.878 km SE of Adak, Alaska · 14746 days ago · 33 km deep · 71 km away
  38. 5.168 km WSW of Atka, Alaska · 14746 days ago · 33 km deep · 66 km away
  39. 4.7116 km SSW of Atka, Alaska · 14746 days ago · 33 km deep · 19 km away
  40. 4.970 km SE of Adak, Alaska · 14746 days ago · 33 km deep · 71 km away
  41. 4.840 km SSE of Atka, Alaska · 14745 days ago · 33 km deep · 80 km away
  42. 4.056 km W of Atka, Alaska · 14745 days ago · 33 km deep · 99 km away
  43. 4.777 km SSW of Atka, Alaska · 14745 days ago · 33 km deep · 30 km away
  44. 4.178 km SSW of Atka, Alaska · 14745 days ago · 33 km deep · 31 km away
  45. 4.6104 km SE of Adak, Alaska · 14745 days ago · 33 km deep · 36 km away
  46. 4.481 km SW of Atka, Alaska · 14745 days ago · 33 km deep · 46 km away
  47. 5.387 km SSE of Adak, Alaska · 14745 days ago · 33 km deep · 88 km away
  48. 5.383 km SSE of Atka, Alaska · 14745 days ago · 33 km deep · 85 km away
  49. 5.383 km SSE of Atka, Alaska · 14745 days ago · 33 km deep · 83 km away
  50. 5.779 km SSE of Atka, Alaska · 14744 days ago · 33 km deep · 82 km away
  51. 4.872 km S of Atka, Alaska · 14744 days ago · 33 km deep · 50 km away
  52. 5.781 km SSW of Atka, Alaska · 14744 days ago · 33 km deep · 26 km away
  53. 4.6Andreanof Islands, Aleutian Islands, Alaska · 14744 days ago · 33 km deep · 90 km away
  54. 4.287 km SSE of Adak, Alaska · 14744 days ago · 33 km deep · 96 km away
  55. 5.5Andreanof Islands, Aleutian Islands, Alaska · 14744 days ago · 33 km deep · 17 km away
  56. 4.940 km WSW of Atka, Alaska · 14744 days ago · 33 km deep · 76 km away
  57. 4.489 km SSE of Adak, Alaska · 14744 days ago · 33 km deep · 94 km away
  58. 4.891 km SSE of Adak, Alaska · 14744 days ago · 33 km deep · 85 km away
  59. 4.2Andreanof Islands, Aleutian Islands, Alaska · 14744 days ago · 33 km deep · 80 km away
  60. 4.795 km ESE of Adak, Alaska · 14744 days ago · 33 km deep · 43 km away

The first 60 of 171.

Before

  1. 4.994 km ESE of Adak, Alaska · 14748 days ago · 33 km deep · 46 km away
  2. 4.658 km S of Atka, Alaska · 14748 days ago · 33 km deep · 59 km away
  3. 4.7112 km SE of Adak, Alaska · 14748 days ago · 33 km deep · 31 km away
  4. 4.799 km SE of Adak, Alaska · 14748 days ago · 33 km deep · 43 km away
  5. 4.5101 km SW of Atka, Alaska · 14748 days ago · 33 km deep · 21 km away
  6. 5.191 km SW of Atka, Alaska · 14748 days ago · 33 km deep · 53 km away
  7. 5.163 km SSW of Atka, Alaska · 14748 days ago · 33 km deep · 47 km away
  8. 4.788 km E of Adak, Alaska · 14748 days ago · 33 km deep · 58 km away
  9. 4.0100 km SSE of Adak, Alaska · 14748 days ago · 33 km deep · 94 km away
  10. 4.878 km SSE of Adak, Alaska · 14748 days ago · 33 km deep · 92 km away
  11. 4.495 km SSE of Adak, Alaska · 14748 days ago · 33 km deep · 75 km away
  12. 4.990 km SSW of Atka, Alaska · 14748 days ago · 33 km deep · 25 km away
  13. 4.975 km ESE of Adak, Alaska · 14748 days ago · 33 km deep · 63 km away
  14. 4.8100 km SE of Adak, Alaska · 14748 days ago · 33 km deep · 43 km away
  15. 4.593 km SSW of Atka, Alaska · 14748 days ago · 33 km deep · 17 km away
  16. 5.061 km SSW of Atka, Alaska · 14748 days ago · 33 km deep · 46 km away
  17. 4.863 km SSW of Atka, Alaska · 14748 days ago · 33 km deep · 44 km away
  18. 4.069 km SSW of Atka, Alaska · 14748 days ago · 33 km deep · 39 km away
  19. 4.3115 km SSW of Atka, Alaska · 14748 days ago · 33 km deep · 11 km away
  20. 4.7134 km SE of Adak, Alaska · 14748 days ago · 33 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002trg. Read Wed, Sep 23, 2026, 3:22 AM UTC.