Alaska earthquakes

M4.9 earthquake 23 km SE of Adak, Alaska

A magnitude 4.9 earthquake struck 23 km SE of Adak, Alaska on Wed, May 7, 1986, 2:29 PM HADT (23:29 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.0 97 km ESE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
4.9 (mb), light
Local time
UTC
1986-05-07 23:29:36 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.701° N, 176.439° 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 1.9 and up: 168 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 5.097 km ESE of Adak, Alaska · 14749 days ago · 33 km deep · 76 km away
  2. 5.096 km ESE of Adak, Alaska · 14749 days ago · 33 km deep · 78 km away
  3. 4.850 km SE of Adak, Alaska · 14749 days ago · 33 km deep · 28 km away
  4. 4.294 km ESE of Adak, Alaska · 14749 days ago · 33 km deep · 73 km away
  5. 4.599 km SSE of Adak, Alaska · 14749 days ago · 33 km deep · 78 km away
  6. 4.688 km SE of Adak, Alaska · 14749 days ago · 33 km deep · 65 km away
  7. 4.897 km SE of Adak, Alaska · 14749 days ago · 33 km deep · 74 km away
  8. 5.987 km S of Adak, Alaska · 14749 days ago · 33 km deep · 70 km away
  9. 5.677 km S of Adak, Alaska · 14749 days ago · 33 km deep · 63 km away
  10. 5.479 km S of Adak, Alaska · 14749 days ago · 33 km deep · 61 km away
  11. 5.182 km SSW of Adak, Alaska · 14749 days ago · 33 km deep · 69 km away
  12. 5.276 km SSW of Adak, Alaska · 14749 days ago · 33 km deep · 64 km away
  13. 5.177 km S of Adak, Alaska · 14749 days ago · 33 km deep · 62 km away
  14. 4.799 km SSW of Adak, Alaska · 14749 days ago · 33 km deep · 86 km away
  15. 5.186 km SSE of Adak, Alaska · 14749 days ago · 33 km deep · 63 km away
  16. 5.580 km SSW of Adak, Alaska · 14749 days ago · 33 km deep · 67 km away
  17. 4.493 km S of Adak, Alaska · 14749 days ago · 33 km deep · 77 km away
  18. 3.993 km SSE of Adak, Alaska · 14749 days ago · 33 km deep · 70 km away
  19. 4.471 km SSE of Adak, Alaska · 14749 days ago · 33 km deep · 50 km away
  20. 5.071 km SE of Adak, Alaska · 14749 days ago · 33 km deep · 49 km away
  21. 4.6104 km SSE of Adak, Alaska · 14749 days ago · 33 km deep · 83 km away
  22. 4.8104 km SE of Adak, Alaska · 14749 days ago · 33 km deep · 82 km away
  23. 5.080 km S of Adak, Alaska · 14749 days ago · 33 km deep · 63 km away
  24. 5.1114 km ESE of Adak, Alaska · 14749 days ago · 33 km deep · 93 km away
  25. 5.276 km S of Adak, Alaska · 14749 days ago · 33 km deep · 60 km away
  26. 5.882 km S of Adak, Alaska · 14749 days ago · 33 km deep · 62 km away
  27. 4.691 km SE of Adak, Alaska · 14749 days ago · 33 km deep · 68 km away
  28. 5.164 km SSE of Adak, Alaska · 14749 days ago · 33 km deep · 41 km away
  29. 4.383 km S of Adak, Alaska · 14749 days ago · 33 km deep · 63 km away
  30. 4.0116 km ESE of Adak, Alaska · 14749 days ago · 33 km deep · 95 km away
  31. 6.4106 km SE of Adak, Alaska · 14749 days ago · 18 km deep · 85 km away
  32. 5.292 km SSE of Adak, Alaska · 14749 days ago · 33 km deep · 70 km away
  33. 4.8105 km SE of Adak, Alaska · 14749 days ago · 33 km deep · 84 km away
  34. 5.164 km SSE of Adak, Alaska · 14749 days ago · 33 km deep · 41 km away
  35. 5.275 km SSE of Adak, Alaska · 14749 days ago · 33 km deep · 53 km away
  36. 4.8110 km ESE of Adak, Alaska · 14749 days ago · 33 km deep · 90 km away
  37. 4.692 km S of Adak, Alaska · 14749 days ago · 33 km deep · 73 km away
  38. 4.8100 km SE of Adak, Alaska · 14749 days ago · 33 km deep · 78 km away
  39. 4.975 km ESE of Adak, Alaska · 14749 days ago · 33 km deep · 54 km away
  40. 4.495 km SSE of Adak, Alaska · 14748 days ago · 33 km deep · 72 km away
  41. 4.878 km SSE of Adak, Alaska · 14748 days ago · 33 km deep · 56 km away
  42. 4.0100 km SSE of Adak, Alaska · 14748 days ago · 33 km deep · 78 km away
  43. 4.788 km E of Adak, Alaska · 14748 days ago · 33 km deep · 74 km away
  44. 5.191 km SW of Atka, Alaska · 14748 days ago · 33 km deep · 80 km away
  45. 4.887 km S of Adak, Alaska · 14748 days ago · 33 km deep · 69 km away
  46. 4.5101 km SW of Atka, Alaska · 14748 days ago · 33 km deep · 99 km away
  47. 4.799 km SE of Adak, Alaska · 14748 days ago · 33 km deep · 78 km away
  48. 4.7112 km SE of Adak, Alaska · 14748 days ago · 33 km deep · 91 km away
  49. 4.994 km ESE of Adak, Alaska · 14748 days ago · 33 km deep · 73 km away
  50. 4.882 km SSE of Adak, Alaska · 14748 days ago · 33 km deep · 60 km away
  51. 4.696 km SE of Adak, Alaska · 14748 days ago · 33 km deep · 73 km away
  52. 5.288 km SSE of Adak, Alaska · 14748 days ago · 33 km deep · 66 km away
  53. 4.993 km ESE of Adak, Alaska · 14748 days ago · 33 km deep · 73 km away
  54. 4.898 km SW of Atka, Alaska · 14748 days ago · 33 km deep · 90 km away
  55. 4.7101 km SW of Atka, Alaska · 14748 days ago · 33 km deep · 90 km away
  56. 4.683 km SE of Adak, Alaska · 14748 days ago · 33 km deep · 60 km away
  57. 4.5Andreanof Islands, Aleutian Islands, Alaska · 14748 days ago · 33 km deep · 67 km away
  58. 4.492 km SW of Atka, Alaska · 14748 days ago · 33 km deep · 81 km away
  59. 4.863 km SSE of Adak, Alaska · 14748 days ago · 33 km deep · 40 km away
  60. 5.675 km SSW of Adak, Alaska · 14748 days ago · 33 km deep · 63 km away

The first 60 of 168.

Before

  1. 5.492 km ESE of Adak, Alaska · 14749 days ago · 33 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002tnc. Read Wed, Sep 23, 2026, 11:04 PM UTC.