Alaska earthquakes

M4.5 earthquake 58 km S of Adak, Alaska

A magnitude 4.5 earthquake struck 58 km S of Adak, Alaska on Sun, Jun 29, 1986, 7:39 PM HADT (04:39 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.4 75 km SSE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
4.5 (mb), light
Local time
UTC
1986-06-30 04:39:06 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.351° N, 176.691° 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: 32 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 4.455 km SE of Adak, Alaska · 14695 days ago · 33 km deep · 57 km away
  2. 5.475 km SSE of Adak, Alaska · 14695 days ago · 33 km deep · 38 km away
  3. 4.236 km S of Adak, Alaska · 14695 days ago · 33 km deep · 22 km away
  4. 4.093 km SSE of Adak, Alaska · 14695 days ago · 33 km deep · 49 km away
  5. 4.291 km SSE of Adak, Alaska · 14695 days ago · 33 km deep · 47 km away
  6. 4.484 km SSE of Adak, Alaska · 14695 days ago · 33 km deep · 42 km away
  7. 4.761 km SW of Adak, Alaska · 14694 days ago · 33 km deep · 32 km away
  8. 5.063 km SE of Adak, Alaska · 14691 days ago · 33 km deep · 55 km away
  9. 4.975 km ESE of Adak, Alaska · 14691 days ago · 33 km deep · 70 km away
  10. 4.569 km SE of Adak, Alaska · 14687 days ago · 33 km deep · 47 km away
  11. 5.527 km E of Adak, Alaska · 14685 days ago · 50 km deep · 69 km away
  12. 5.026 km SW of Adak, Alaska · 14685 days ago · 57 km deep · 39 km away
  13. 4.879 km SE of Adak, Alaska · 14673 days ago · 33 km deep · 69 km away
  14. 5.257 km SSE of Adak, Alaska · 14672 days ago · 33 km deep · 36 km away
  15. 4.983 km SSE of Adak, Alaska · 14672 days ago · 33 km deep · 42 km away
  16. 4.952 km S of Adak, Alaska · 14671 days ago · 33 km deep · 6 km away
  17. 5.876 km SSE of Adak, Alaska · 14670 days ago · 33 km deep · 38 km away
  18. 5.683 km SSE of Adak, Alaska · 14670 days ago · 33 km deep · 48 km away
  19. 4.669 km ESE of Adak, Alaska · 14669 days ago · 33 km deep · 85 km away
  20. 4.793 km SSE of Adak, Alaska · 14669 days ago · 33 km deep · 58 km away
  21. 4.497 km SSE of Adak, Alaska · 14668 days ago · 33 km deep · 51 km away
  22. 4.844 km E of Adak, Alaska · 14667 days ago · 33 km deep · 75 km away
  23. 4.883 km SSE of Adak, Alaska · 14662 days ago · 33 km deep · 40 km away
  24. 4.986 km SSE of Adak, Alaska · 14662 days ago · 33 km deep · 44 km away
  25. 4.354 km SSE of Adak, Alaska · 14662 days ago · 33 km deep · 31 km away
  26. 5.076 km SE of Adak, Alaska · 14662 days ago · 33 km deep · 49 km away
  27. 5.979 km S of Adak, Alaska · 14660 days ago · 33 km deep · 22 km away
  28. 4.784 km S of Adak, Alaska · 14660 days ago · 33 km deep · 27 km away
  29. 4.987 km S of Adak, Alaska · 14660 days ago · 33 km deep · 29 km away
  30. 4.780 km S of Adak, Alaska · 14660 days ago · 33 km deep · 23 km away
  31. 4.237 km E of Adak, Alaska · 14645 days ago · 33 km deep · 68 km away
  32. 4.364 km ESE of Adak, Alaska · 14642 days ago · 33 km deep · 75 km away

Before

  1. 4.853 km S of Adak, Alaska · 14695 days ago · 33 km deep · 4 km away
  2. 4.359 km SW of Adak, Alaska · 14701 days ago · 33 km deep · 37 km away
  3. 4.6101 km SE of Adak, Alaska · 14702 days ago · 33 km deep · 75 km away
  4. 4.263 km SW of Adak, Alaska · 14702 days ago · 33 km deep · 42 km away
  5. 4.576 km SE of Adak, Alaska · 14703 days ago · 33 km deep · 56 km away
  6. 4.536 km SW of Adak, Alaska · 14706 days ago · 33 km deep · 34 km away
  7. 4.271 km SE of Adak, Alaska · 14706 days ago · 33 km deep · 52 km away
  8. 4.883 km SSE of Adak, Alaska · 14706 days ago · 33 km deep · 42 km away
  9. 4.589 km SSE of Adak, Alaska · 14706 days ago · 33 km deep · 51 km away
  10. 6.557 km S of Adak, Alaska · 14707 days ago · 27 km deep · 3 km away
  11. 4.493 km ESE of Adak, Alaska · 14709 days ago · 33 km deep · 96 km away
  12. 4.682 km SE of Adak, Alaska · 14714 days ago · 33 km deep · 64 km away
  13. 4.577 km SE of Adak, Alaska · 14714 days ago · 33 km deep · 50 km away
  14. 4.379 km SSE of Adak, Alaska · 14715 days ago · 33 km deep · 49 km away
  15. 4.7107 km SSW of Adak, Alaska · 14716 days ago · 33 km deep · 64 km away
  16. 5.1106 km SE of Adak, Alaska · 14719 days ago · 33 km deep · 93 km away
  17. 4.181 km SSE of Adak, Alaska · 14722 days ago · 33 km deep · 37 km away
  18. 4.247 km ENE of Adak, Alaska · 14723 days ago · 33 km deep · 94 km away
  19. 4.386 km SE of Adak, Alaska · 14724 days ago · 33 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002vjz. Read Tue, Sep 22, 2026, 8:42 PM UTC.