Alaska earthquakes

M5.0 earthquake 48 km W of Atka, Alaska

A magnitude 5.0 earthquake struck 48 km W of Atka, Alaska on Sun, May 18, 1986, 6:19 PM HADT (03:19 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.4 93 km SSW of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
5.0 (mb, body-wave), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1986-05-19 03:19:06 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
52.283° N, 174.896° 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 2.0 and up: 34 in the 60 days after this one and 96 in the 30 days before it.

After

  1. 4.021 km SW of Atka, Alaska · 14749 days ago · 33 km deep · 39 km away
  2. 3.851 km W of Atka, Alaska · 14749 days ago · 33 km deep · 18 km away
  3. 4.389 km SW of Atka, Alaska · 14748 days ago · 33 km deep · 77 km away
  4. 4.885 km E of Adak, Alaska · 14747 days ago · 33 km deep · 61 km away
  5. 4.573 km ESE of Adak, Alaska · 14746 days ago · 33 km deep · 95 km away
  6. 4.655 km SW of Atka, Alaska · 14744 days ago · 33 km deep · 55 km away
  7. 5.091 km SW of Atka, Alaska · 14743 days ago · 33 km deep · 71 km away
  8. 4.896 km SSW of Atka, Alaska · 14743 days ago · 33 km deep · 97 km away
  9. 4.752 km SSW of Atka, Alaska · 14742 days ago · 33 km deep · 61 km away
  10. 4.962 km S of Atka, Alaska · 14741 days ago · 33 km deep · 83 km away
  11. 4.992 km ESE of Adak, Alaska · 14739 days ago · 33 km deep · 75 km away
  12. 4.247 km ENE of Adak, Alaska · 14736 days ago · 33 km deep · 80 km away
  13. 4.575 km SSW of Atka, Alaska · 14735 days ago · 33 km deep · 82 km away
  14. 4.4105 km SSW of Atka, Alaska · 14735 days ago · 33 km deep · 98 km away
  15. 5.493 km SSW of Atka, Alaska · 14734 days ago · 33 km deep · 98 km away
  16. 5.038 km SW of Atka, Alaska · 14734 days ago · 33 km deep · 43 km away
  17. 4.988 km SSW of Atka, Alaska · 14733 days ago · 33 km deep · 94 km away
  18. 4.765 km S of Atka, Alaska · 14732 days ago · 33 km deep · 88 km away
  19. 5.377 km S of Atka, Alaska · 14732 days ago · 33 km deep · 97 km away
  20. 4.461 km SW of Atka, Alaska · 14731 days ago · 33 km deep · 60 km away
  21. 4.885 km SSW of Atka, Alaska · 14730 days ago · 33 km deep · 82 km away
  22. 4.871 km SW of Atka, Alaska · 14729 days ago · 33 km deep · 67 km away
  23. 4.478 km NNE of Adak, Alaska · 14725 days ago · 33 km deep · 94 km away
  24. 4.397 km SSW of Atka, Alaska · 14722 days ago · 33 km deep · 99 km away
  25. 4.493 km ESE of Adak, Alaska · 14722 days ago · 33 km deep · 84 km away
  26. 4.5104 km SW of Atka, Alaska · 14720 days ago · 33 km deep · 91 km away
  27. 4.887 km SW of Atka, Alaska · 14715 days ago · 33 km deep · 68 km away
  28. 4.665 km WSW of Atka, Alaska · 14715 days ago · 33 km deep · 28 km away
  29. 4.4109 km SW of Atka, Alaska · 14715 days ago · 33 km deep · 97 km away
  30. 4.383 km SW of Atka, Alaska · 14714 days ago · 33 km deep · 65 km away
  31. 5.446 km WNW of Atka, Alaska · 14708 days ago · 33 km deep · 6 km away
  32. 4.743 km W of Atka, Alaska · 14708 days ago · 33 km deep · 5 km away
  33. 4.5Andreanof Islands, Aleutian Islands, Alaska · 14698 days ago · 33 km deep · 100 km away
  34. 4.888 km SSW of Atka, Alaska · 14690 days ago · 33 km deep · 96 km away

Before

  1. 5.451 km W of Atka, Alaska · 14749 days ago · 33 km deep · 3 km away
  2. 4.657 km W of Atka, Alaska · 14750 days ago · 33 km deep · 10 km away
  3. 4.774 km SSW of Atka, Alaska · 14750 days ago · 33 km deep · 75 km away
  4. 4.984 km SW of Atka, Alaska · 14750 days ago · 33 km deep · 61 km away
  5. 5.192 km SSW of Atka, Alaska · 14750 days ago · 33 km deep · 97 km away
  6. 4.4106 km SSW of Atka, Alaska · 14750 days ago · 33 km deep · 99 km away
  7. 4.922 km W of Atka, Alaska · 14751 days ago · 33 km deep · 26 km away
  8. 6.525 km NW of Atka, Alaska · 14751 days ago · 26 km deep · 27 km away
  9. 4.889 km SW of Atka, Alaska · 14752 days ago · 33 km deep · 71 km away
  10. 4.6101 km SW of Atka, Alaska · 14752 days ago · 33 km deep · 88 km away
  11. 5.082 km WSW of Atka, Alaska · 14752 days ago · 33 km deep · 56 km away
  12. 4.098 km SW of Atka, Alaska · 14752 days ago · 33 km deep · 86 km away
  13. 3.822 km SW of Atka, Alaska · 14753 days ago · 33 km deep · 38 km away
  14. 5.622 km W of Atka, Alaska · 14753 days ago · 33 km deep · 26 km away
  15. 5.325 km WNW of Atka, Alaska · 14753 days ago · 33 km deep · 25 km away
  16. 4.122 km WNW of Atka, Alaska · 14753 days ago · 33 km deep · 26 km away
  17. 4.219 km WSW of Atka, Alaska · 14753 days ago · 33 km deep · 32 km away
  18. 4.042 km WSW of Atka, Alaska · 14753 days ago · 33 km deep · 27 km away
  19. 4.833 km W of Atka, Alaska · 14753 days ago · 33 km deep · 17 km away
  20. 3.845 km WNW of Atka, Alaska · 14753 days ago · 33 km deep · 7 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002u5v. Read Mon, Oct 5, 2026, 11:37 AM UTC.