Alaska earthquakes

M3.9 earthquake 93 km SSE of Adak, Alaska

A magnitude 3.9 earthquake struck 93 km SSE of Adak, Alaska on Wed, May 7, 1986, 5:42 PM HADT (02:42 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M6.5 57 km S of Adak, Alaska. This one was a foreshock.

More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
3.9 (mb), minor
Local time
UTC
1986-05-08 02:42:30 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.149° N, 175.950° 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: 183 in the 60 days after this one and 46 in the 30 days before it.

After

  1. 4.471 km SSE of Adak, Alaska · 14755 days ago · 33 km deep · 29 km away
  2. 5.071 km SE of Adak, Alaska · 14755 days ago · 33 km deep · 32 km away
  3. 4.6104 km SSE of Adak, Alaska · 14755 days ago · 33 km deep · 29 km away
  4. 4.8104 km SE of Adak, Alaska · 14755 days ago · 33 km deep · 34 km away
  5. 5.080 km S of Adak, Alaska · 14755 days ago · 33 km deep · 49 km away
  6. 5.1114 km ESE of Adak, Alaska · 14755 days ago · 33 km deep · 53 km away
  7. 5.276 km S of Adak, Alaska · 14755 days ago · 33 km deep · 52 km away
  8. 5.882 km S of Adak, Alaska · 14755 days ago · 33 km deep · 34 km away
  9. 4.691 km SE of Adak, Alaska · 14755 days ago · 33 km deep · 11 km away
  10. 5.164 km SSE of Adak, Alaska · 14755 days ago · 33 km deep · 29 km away
  11. 4.383 km S of Adak, Alaska · 14755 days ago · 33 km deep · 33 km away
  12. 5.081 km SSW of Atka, Alaska · 14755 days ago · 33 km deep · 96 km away
  13. 4.0116 km ESE of Adak, Alaska · 14755 days ago · 33 km deep · 56 km away
  14. 4.996 km SSW of Atka, Alaska · 14755 days ago · 33 km deep · 80 km away
  15. 6.4106 km SE of Adak, Alaska · 14755 days ago · 18 km deep · 46 km away
  16. 5.292 km SSE of Adak, Alaska · 14755 days ago · 33 km deep · 13 km away
  17. 4.8105 km SE of Adak, Alaska · 14755 days ago · 33 km deep · 40 km away
  18. 5.164 km SSE of Adak, Alaska · 14755 days ago · 33 km deep · 29 km away
  19. 4.8104 km SSW of Atka, Alaska · 14755 days ago · 33 km deep · 72 km away
  20. 5.275 km SSE of Adak, Alaska · 14755 days ago · 33 km deep · 28 km away
  21. 4.8110 km ESE of Adak, Alaska · 14755 days ago · 33 km deep · 50 km away
  22. 4.7134 km SE of Adak, Alaska · 14755 days ago · 33 km deep · 46 km away
  23. 4.3115 km SSW of Atka, Alaska · 14755 days ago · 33 km deep · 81 km away
  24. 4.692 km S of Adak, Alaska · 14755 days ago · 33 km deep · 39 km away
  25. 4.593 km SSW of Atka, Alaska · 14755 days ago · 33 km deep · 94 km away
  26. 4.8100 km SE of Adak, Alaska · 14755 days ago · 33 km deep · 38 km away
  27. 4.975 km ESE of Adak, Alaska · 14755 days ago · 33 km deep · 42 km away
  28. 4.495 km SSE of Adak, Alaska · 14755 days ago · 33 km deep · 4 km away
  29. 4.878 km SSE of Adak, Alaska · 14755 days ago · 33 km deep · 17 km away
  30. 4.0100 km SSE of Adak, Alaska · 14755 days ago · 33 km deep · 18 km away
  31. 4.788 km E of Adak, Alaska · 14755 days ago · 33 km deep · 77 km away
  32. 5.191 km SW of Atka, Alaska · 14755 days ago · 33 km deep · 79 km away
  33. 4.887 km S of Adak, Alaska · 14755 days ago · 33 km deep · 46 km away
  34. 4.5101 km SW of Atka, Alaska · 14755 days ago · 33 km deep · 70 km away
  35. 4.799 km SE of Adak, Alaska · 14755 days ago · 33 km deep · 40 km away
  36. 4.7112 km SE of Adak, Alaska · 14755 days ago · 33 km deep · 48 km away
  37. 4.994 km ESE of Adak, Alaska · 14755 days ago · 33 km deep · 43 km away
  38. 4.2107 km SSW of Atka, Alaska · 14755 days ago · 33 km deep · 78 km away
  39. 4.882 km SSE of Adak, Alaska · 14755 days ago · 33 km deep · 14 km away
  40. 4.696 km SE of Adak, Alaska · 14755 days ago · 33 km deep · 28 km away
  41. 5.288 km SSE of Adak, Alaska · 14755 days ago · 33 km deep · 8 km away
  42. 4.993 km ESE of Adak, Alaska · 14755 days ago · 33 km deep · 47 km away
  43. 4.898 km SW of Atka, Alaska · 14755 days ago · 33 km deep · 70 km away
  44. 4.7101 km SW of Atka, Alaska · 14755 days ago · 33 km deep · 67 km away
  45. 4.683 km SE of Adak, Alaska · 14754 days ago · 33 km deep · 25 km away
  46. 4.896 km SSW of Atka, Alaska · 14754 days ago · 33 km deep · 77 km away
  47. 4.5Andreanof Islands, Aleutian Islands, Alaska · 14754 days ago · 33 km deep · 11 km away
  48. 4.492 km SW of Atka, Alaska · 14754 days ago · 33 km deep · 77 km away
  49. 4.863 km SSE of Adak, Alaska · 14754 days ago · 33 km deep · 31 km away
  50. 5.675 km SSW of Adak, Alaska · 14754 days ago · 33 km deep · 67 km away
  51. 5.6Andreanof Islands, Aleutian Islands, Alaska · 14754 days ago · 33 km deep · 65 km away
  52. 4.890 km SSW of Adak, Alaska · 14754 days ago · 33 km deep · 73 km away
  53. 4.489 km ESE of Adak, Alaska · 14754 days ago · 33 km deep · 51 km away
  54. 4.876 km ESE of Adak, Alaska · 14754 days ago · 33 km deep · 54 km away
  55. 3.976 km SW of Atka, Alaska · 14754 days ago · 33 km deep · 92 km away
  56. 4.559 km ESE of Adak, Alaska · 14754 days ago · 33 km deep · 55 km away
  57. 4.587 km SE of Adak, Alaska · 14754 days ago · 33 km deep · 11 km away
  58. 4.883 km SSE of Adak, Alaska · 14754 days ago · 33 km deep · 16 km away
  59. 5.158 km SSE of Adak, Alaska · 14754 days ago · 33 km deep · 35 km away
  60. 4.493 km SSE of Adak, Alaska · 14754 days ago · 33 km deep · 27 km away

The first 60 of 183.

Before

  1. 5.1104 km SSW of Atka, Alaska · 14755 days ago · 33 km deep · 82 km away
  2. 4.493 km S of Adak, Alaska · 14755 days ago · 33 km deep · 58 km away
  3. 4.894 km SSW of Atka, Alaska · 14755 days ago · 33 km deep · 89 km away
  4. 5.580 km SSW of Adak, Alaska · 14755 days ago · 33 km deep · 65 km away
  5. 5.186 km SSE of Adak, Alaska · 14755 days ago · 33 km deep · 9 km away
  6. 4.799 km SSW of Adak, Alaska · 14755 days ago · 33 km deep · 72 km away
  7. 5.177 km S of Adak, Alaska · 14755 days ago · 33 km deep · 58 km away
  8. 5.276 km SSW of Adak, Alaska · 14755 days ago · 33 km deep · 67 km away
  9. 5.182 km SSW of Adak, Alaska · 14755 days ago · 33 km deep · 66 km away
  10. 5.479 km S of Adak, Alaska · 14755 days ago · 33 km deep · 43 km away
  11. 5.677 km S of Adak, Alaska · 14755 days ago · 33 km deep · 60 km away
  12. 5.987 km S of Adak, Alaska · 14755 days ago · 33 km deep · 51 km away
  13. 4.897 km SE of Adak, Alaska · 14755 days ago · 33 km deep · 16 km away
  14. 4.688 km SE of Adak, Alaska · 14755 days ago · 33 km deep · 9 km away
  15. 4.599 km SSE of Adak, Alaska · 14755 days ago · 33 km deep · 25 km away
  16. 4.294 km ESE of Adak, Alaska · 14755 days ago · 33 km deep · 43 km away
  17. 4.850 km SE of Adak, Alaska · 14755 days ago · 33 km deep · 47 km away
  18. 4.487 km SSW of Atka, Alaska · 14755 days ago · 33 km deep · 89 km away
  19. 5.096 km ESE of Adak, Alaska · 14755 days ago · 33 km deep · 61 km away
  20. 4.787 km SSW of Atka, Alaska · 14755 days ago · 33 km deep · 89 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002tpe. Read Wed, Sep 30, 2026, 7:41 AM UTC.