Alaska earthquakes

M5.4 earthquake 88 km S of Atka, Alaska

A magnitude 5.4 earthquake struck 88 km S of Atka, Alaska on Wed, May 7, 1986, 2:26 PM HADT (23:26 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M6.4 106 km SE of Adak, 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
5.4 (mb, body-wave), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1986-05-07 23:26:57 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.399° N, 174.140° 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 2.4 and up: 166 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 4.7113 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 36 km away
  2. 5.775 km S of Atka, Alaska · 14758 days ago · 33 km deep · 13 km away
  3. 5.187 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  4. 5.097 km ESE of Adak, Alaska · 14758 days ago · 33 km deep · 90 km away
  5. 5.893 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 52 km away
  6. 5.787 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  7. 4.787 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  8. 5.096 km ESE of Adak, Alaska · 14758 days ago · 33 km deep · 85 km away
  9. 4.543 km SW of Atka, Alaska · 14758 days ago · 33 km deep · 66 km away
  10. 4.487 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  11. 4.294 km ESE of Adak, Alaska · 14758 days ago · 33 km deep · 94 km away
  12. 5.294 km S of Atka, Alaska · 14758 days ago · 33 km deep · 14 km away
  13. 4.755 km S of Atka, Alaska · 14758 days ago · 33 km deep · 34 km away
  14. 4.653 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 55 km away
  15. 5.373 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 45 km away
  16. 4.291 km S of Atka, Alaska · 14758 days ago · 33 km deep · 11 km away
  17. 4.894 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 43 km away
  18. 5.1104 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  19. 4.883 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 30 km away
  20. 4.8104 km SE of Adak, Alaska · 14758 days ago · 33 km deep · 96 km away
  21. 5.1114 km ESE of Adak, Alaska · 14758 days ago · 33 km deep · 77 km away
  22. 5.081 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 42 km away
  23. 5.492 km S of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  24. 4.0116 km ESE of Adak, Alaska · 14758 days ago · 33 km deep · 74 km away
  25. 4.996 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 53 km away
  26. 6.4106 km SE of Adak, Alaska · 14758 days ago · 18 km deep · 85 km away
  27. 4.8105 km SE of Adak, Alaska · 14758 days ago · 33 km deep · 90 km away
  28. 4.939 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 53 km away
  29. 4.8104 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 59 km away
  30. 4.8110 km ESE of Adak, Alaska · 14757 days ago · 33 km deep · 80 km away
  31. 4.7134 km SE of Adak, Alaska · 14757 days ago · 33 km deep · 98 km away
  32. 4.3115 km SSW of Atka, Alaska · 14757 days ago · 33 km deep · 50 km away
  33. 4.069 km SSW of Atka, Alaska · 14757 days ago · 33 km deep · 51 km away
  34. 4.863 km SSW of Atka, Alaska · 14757 days ago · 33 km deep · 43 km away
  35. 5.061 km SSW of Atka, Alaska · 14757 days ago · 33 km deep · 43 km away
  36. 4.593 km SSW of Atka, Alaska · 14757 days ago · 33 km deep · 36 km away
  37. 4.8100 km SE of Adak, Alaska · 14757 days ago · 33 km deep · 93 km away
  38. 4.990 km SSW of Atka, Alaska · 14757 days ago · 33 km deep · 27 km away
  39. 4.788 km E of Adak, Alaska · 14757 days ago · 33 km deep · 93 km away
  40. 5.163 km SSW of Atka, Alaska · 14757 days ago · 33 km deep · 34 km away
  41. 5.191 km SW of Atka, Alaska · 14757 days ago · 33 km deep · 86 km away
  42. 4.5101 km SW of Atka, Alaska · 14757 days ago · 33 km deep · 64 km away
  43. 4.799 km SE of Adak, Alaska · 14757 days ago · 33 km deep · 93 km away
  44. 4.7112 km SE of Adak, Alaska · 14757 days ago · 33 km deep · 81 km away
  45. 4.658 km S of Atka, Alaska · 14757 days ago · 33 km deep · 31 km away
  46. 4.994 km ESE of Adak, Alaska · 14757 days ago · 33 km deep · 94 km away
  47. 4.2107 km SSW of Atka, Alaska · 14757 days ago · 33 km deep · 51 km away
  48. 4.993 km ESE of Adak, Alaska · 14757 days ago · 33 km deep · 92 km away
  49. 5.481 km SSE of Atka, Alaska · 14757 days ago · 33 km deep · 21 km away
  50. 4.898 km SW of Atka, Alaska · 14757 days ago · 33 km deep · 73 km away
  51. 4.7101 km SW of Atka, Alaska · 14757 days ago · 33 km deep · 73 km away
  52. 4.896 km SSW of Atka, Alaska · 14757 days ago · 33 km deep · 58 km away
  53. 4.492 km SW of Atka, Alaska · 14757 days ago · 33 km deep · 84 km away
  54. 4.855 km SSW of Atka, Alaska · 14757 days ago · 33 km deep · 49 km away
  55. 5.176 km SSE of Atka, Alaska · 14757 days ago · 33 km deep · 20 km away
  56. 5.141 km SSE of Atka, Alaska · 14757 days ago · 33 km deep · 48 km away
  57. 4.588 km SSE of Atka, Alaska · 14757 days ago · 33 km deep · 20 km away
  58. 5.0Andreanof Islands, Aleutian Islands, Alaska · 14757 days ago · 33 km deep · 12 km away
  59. 4.489 km ESE of Adak, Alaska · 14757 days ago · 33 km deep · 94 km away
  60. 4.369 km SE of Atka, Alaska · 14756 days ago · 33 km deep · 53 km away

The first 60 of 166.

Before

  1. 5.287 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  2. 5.287 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  3. 4.987 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  4. 5.387 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  5. 5.492 km ESE of Adak, Alaska · 14758 days ago · 33 km deep · 91 km away
  6. 5.287 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  7. 5.387 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  8. 5.087 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  9. 5.587 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  10. 5.087 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  11. 5.387 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  12. 4.987 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  13. 5.287 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  14. 5.787 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  15. 5.687 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 47 km away
  16. 8.01986 Atka, Alaska Earthquake · 14758 days ago · 33 km deep · 46 km away
  17. 4.144 km SW of Atka, Alaska · 14758 days ago · 33 km deep · 74 km away
  18. 4.584 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 48 km away
  19. 4.450 km WSW of Atka, Alaska · 14758 days ago · 33 km deep · 91 km away
  20. 4.292 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002tnb. Read Fri, Oct 2, 2026, 6:55 PM UTC.