Alaska earthquakes

M4.7 earthquake 50 km SSE of Adak, Alaska

A magnitude 4.7 earthquake struck 50 km SSE of Adak, Alaska on Mon, May 12, 1986, 12:29 AM HADT (09:29 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
4.7 (mb), light
Local time
UTC
1986-05-12 09:29:50 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.459° N, 176.328° 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 1.7 and up: 89 in the 60 days after this one and 97 in the 30 days before it.

After

  1. 4.2Andreanof Islands, Aleutian Islands, Alaska · 14749 days ago · 33 km deep · 41 km away
  2. 4.795 km ESE of Adak, Alaska · 14749 days ago · 33 km deep · 60 km away
  3. 3.888 km SSE of Adak, Alaska · 14749 days ago · 33 km deep · 38 km away
  4. 4.380 km SW of Atka, Alaska · 14749 days ago · 33 km deep · 89 km away
  5. 4.990 km SSE of Adak, Alaska · 14748 days ago · 33 km deep · 40 km away
  6. 4.873 km ESE of Adak, Alaska · 14748 days ago · 33 km deep · 43 km away
  7. 4.984 km SSE of Adak, Alaska · 14747 days ago · 33 km deep · 35 km away
  8. 4.783 km SE of Adak, Alaska · 14747 days ago · 33 km deep · 40 km away
  9. 4.882 km SE of Adak, Alaska · 14747 days ago · 33 km deep · 38 km away
  10. 4.993 km SE of Adak, Alaska · 14747 days ago · 33 km deep · 57 km away
  11. 4.0122 km SSW of Atka, Alaska · 14746 days ago · 33 km deep · 86 km away
  12. 4.098 km SW of Atka, Alaska · 14745 days ago · 33 km deep · 83 km away
  13. 4.3114 km SE of Adak, Alaska · 14745 days ago · 33 km deep · 75 km away
  14. 5.082 km WSW of Atka, Alaska · 14745 days ago · 33 km deep · 85 km away
  15. 4.6101 km SW of Atka, Alaska · 14745 days ago · 33 km deep · 82 km away
  16. 4.889 km SW of Atka, Alaska · 14745 days ago · 33 km deep · 82 km away
  17. 4.7Andreanof Islands, Aleutian Islands, Alaska · 14744 days ago · 33 km deep · 48 km away
  18. 3.880 km SE of Adak, Alaska · 14744 days ago · 33 km deep · 41 km away
  19. 4.5133 km SE of Adak, Alaska · 14744 days ago · 33 km deep · 88 km away
  20. 4.677 km SSE of Adak, Alaska · 14744 days ago · 33 km deep · 28 km away
  21. 4.4106 km SSW of Atka, Alaska · 14744 days ago · 33 km deep · 88 km away
  22. 4.555 km SSW of Adak, Alaska · 14743 days ago · 33 km deep · 35 km away
  23. 4.984 km SW of Atka, Alaska · 14743 days ago · 33 km deep · 84 km away
  24. 4.077 km SE of Adak, Alaska · 14743 days ago · 33 km deep · 32 km away
  25. 4.8106 km SE of Adak, Alaska · 14743 days ago · 33 km deep · 62 km away
  26. 4.0109 km SSW of Atka, Alaska · 14742 days ago · 33 km deep · 87 km away
  27. 4.389 km SW of Atka, Alaska · 14741 days ago · 33 km deep · 88 km away
  28. 4.9112 km ESE of Adak, Alaska · 14741 days ago · 33 km deep · 78 km away
  29. 4.898 km SSE of Adak, Alaska · 14741 days ago · 33 km deep · 51 km away
  30. 4.0110 km SSW of Atka, Alaska · 14741 days ago · 33 km deep · 91 km away
  31. 4.6113 km SW of Atka, Alaska · 14741 days ago · 33 km deep · 80 km away
  32. 4.886 km S of Adak, Alaska · 14741 days ago · 33 km deep · 41 km away
  33. 4.795 km S of Adak, Alaska · 14741 days ago · 33 km deep · 48 km away
  34. 3.875 km SE of Adak, Alaska · 14741 days ago · 33 km deep · 31 km away
  35. 4.668 km SSE of Adak, Alaska · 14740 days ago · 33 km deep · 18 km away
  36. 4.898 km SE of Adak, Alaska · 14740 days ago · 33 km deep · 59 km away
  37. 4.885 km E of Adak, Alaska · 14740 days ago · 33 km deep · 76 km away
  38. 4.573 km ESE of Adak, Alaska · 14739 days ago · 33 km deep · 47 km away
  39. 4.5104 km SE of Adak, Alaska · 14739 days ago · 33 km deep · 59 km away
  40. 4.989 km SSE of Adak, Alaska · 14738 days ago · 33 km deep · 38 km away
  41. 4.689 km SSE of Adak, Alaska · 14737 days ago · 33 km deep · 39 km away
  42. 5.091 km SW of Atka, Alaska · 14737 days ago · 33 km deep · 79 km away
  43. 4.892 km SSE of Adak, Alaska · 14736 days ago · 33 km deep · 42 km away
  44. 4.763 km SSE of Adak, Alaska · 14736 days ago · 33 km deep · 15 km away
  45. 4.281 km SE of Adak, Alaska · 14734 days ago · 33 km deep · 41 km away
  46. 4.881 km SSE of Adak, Alaska · 14733 days ago · 33 km deep · 31 km away
  47. 4.992 km ESE of Adak, Alaska · 14732 days ago · 33 km deep · 72 km away
  48. 4.8113 km SE of Adak, Alaska · 14732 days ago · 33 km deep · 74 km away
  49. 4.386 km SE of Adak, Alaska · 14730 days ago · 33 km deep · 44 km away
  50. 4.247 km ENE of Adak, Alaska · 14729 days ago · 33 km deep · 73 km away
  51. 4.4105 km SSW of Atka, Alaska · 14729 days ago · 33 km deep · 89 km away
  52. 4.181 km SSE of Adak, Alaska · 14728 days ago · 33 km deep · 31 km away
  53. 5.1106 km SE of Adak, Alaska · 14725 days ago · 33 km deep · 69 km away
  54. 4.7107 km SSW of Adak, Alaska · 14722 days ago · 33 km deep · 92 km away
  55. 4.379 km SSE of Adak, Alaska · 14721 days ago · 33 km deep · 30 km away
  56. 4.577 km SE of Adak, Alaska · 14720 days ago · 33 km deep · 29 km away
  57. 4.682 km SE of Adak, Alaska · 14720 days ago · 33 km deep · 40 km away
  58. 4.493 km ESE of Adak, Alaska · 14715 days ago · 33 km deep · 69 km away
  59. 4.5104 km SW of Atka, Alaska · 14713 days ago · 33 km deep · 79 km away
  60. 6.557 km S of Adak, Alaska · 14712 days ago · 27 km deep · 25 km away

The first 60 of 89.

Before

  1. 4.891 km SSE of Adak, Alaska · 14749 days ago · 33 km deep · 41 km away
  2. 4.489 km SSE of Adak, Alaska · 14750 days ago · 33 km deep · 39 km away
  3. 4.287 km SSE of Adak, Alaska · 14750 days ago · 33 km deep · 37 km away
  4. 4.6Andreanof Islands, Aleutian Islands, Alaska · 14750 days ago · 33 km deep · 34 km away
  5. 4.967 km S of Adak, Alaska · 14750 days ago · 33 km deep · 27 km away
  6. 4.523 km SE of Adak, Alaska · 14750 days ago · 33 km deep · 28 km away
  7. 5.387 km SSE of Adak, Alaska · 14750 days ago · 33 km deep · 37 km away
  8. 4.481 km SW of Atka, Alaska · 14751 days ago · 33 km deep · 90 km away
  9. 4.6104 km SE of Adak, Alaska · 14751 days ago · 33 km deep · 67 km away
  10. 4.885 km S of Adak, Alaska · 14751 days ago · 33 km deep · 44 km away
  11. 4.970 km SE of Adak, Alaska · 14751 days ago · 33 km deep · 32 km away
  12. 5.168 km WSW of Atka, Alaska · 14751 days ago · 33 km deep · 99 km away
  13. 4.878 km SE of Adak, Alaska · 14751 days ago · 33 km deep · 34 km away
  14. 4.383 km SSE of Adak, Alaska · 14751 days ago · 33 km deep · 33 km away
  15. 4.099 km S of Adak, Alaska · 14752 days ago · 33 km deep · 53 km away
  16. 4.4110 km ESE of Adak, Alaska · 14752 days ago · 33 km deep · 76 km away
  17. 5.0111 km SE of Adak, Alaska · 14752 days ago · 33 km deep · 66 km away
  18. 5.276 km SSE of Adak, Alaska · 14752 days ago · 33 km deep · 26 km away
  19. 5.097 km SSE of Adak, Alaska · 14752 days ago · 33 km deep · 48 km away
  20. 4.889 km SSE of Adak, Alaska · 14752 days ago · 33 km deep · 40 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002txg. Read Mon, Sep 28, 2026, 6:27 PM UTC.