Alaska earthquakes

M3.8 earthquake 51 km W of Atka, Alaska

A magnitude 3.8 earthquake struck 51 km W of Atka, Alaska on Mon, May 19, 1986, 2:35 AM HADT (11:35 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.5 27 km E 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
3.8 (mb), minor
Local time
UTC
1986-05-19 11:35:48 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
52.122° N, 174.947° 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: 48 in the 60 days after this one and 138 in the 30 days before it.

After

  1. 4.9110 km SSW of Atka, Alaska · 14744 days ago · 33 km deep · 96 km away
  2. 4.0109 km SSW of Atka, Alaska · 14744 days ago · 33 km deep · 83 km away
  3. 4.389 km SW of Atka, Alaska · 14743 days ago · 33 km deep · 59 km away
  4. 4.9112 km ESE of Adak, Alaska · 14743 days ago · 33 km deep · 85 km away
  5. 4.0110 km SSW of Atka, Alaska · 14743 days ago · 33 km deep · 86 km away
  6. 4.6113 km SW of Atka, Alaska · 14743 days ago · 33 km deep · 84 km away
  7. 4.898 km SE of Adak, Alaska · 14742 days ago · 33 km deep · 96 km away
  8. 4.885 km E of Adak, Alaska · 14742 days ago · 33 km deep · 45 km away
  9. 4.573 km ESE of Adak, Alaska · 14741 days ago · 33 km deep · 79 km away
  10. 4.655 km SW of Atka, Alaska · 14739 days ago · 33 km deep · 39 km away
  11. 5.091 km SW of Atka, Alaska · 14739 days ago · 33 km deep · 53 km away
  12. 4.896 km SSW of Atka, Alaska · 14738 days ago · 33 km deep · 79 km away
  13. 4.752 km SSW of Atka, Alaska · 14737 days ago · 33 km deep · 47 km away
  14. 4.281 km SE of Adak, Alaska · 14736 days ago · 33 km deep · 98 km away
  15. 4.962 km S of Atka, Alaska · 14736 days ago · 33 km deep · 70 km away
  16. 4.992 km ESE of Adak, Alaska · 14734 days ago · 33 km deep · 58 km away
  17. 4.8113 km SE of Adak, Alaska · 14734 days ago · 33 km deep · 96 km away
  18. 4.247 km ENE of Adak, Alaska · 14731 days ago · 33 km deep · 74 km away
  19. 4.575 km SSW of Atka, Alaska · 14731 days ago · 33 km deep · 66 km away
  20. 4.4105 km SSW of Atka, Alaska · 14731 days ago · 33 km deep · 80 km away
  21. 5.299 km SSW of Atka, Alaska · 14729 days ago · 33 km deep · 89 km away
  22. 5.493 km SSW of Atka, Alaska · 14729 days ago · 33 km deep · 81 km away
  23. 5.038 km SW of Atka, Alaska · 14729 days ago · 33 km deep · 32 km away
  24. 4.988 km SSW of Atka, Alaska · 14728 days ago · 33 km deep · 78 km away
  25. 4.765 km S of Atka, Alaska · 14727 days ago · 33 km deep · 76 km away
  26. 5.1106 km SE of Adak, Alaska · 14727 days ago · 33 km deep · 91 km away
  27. 5.377 km S of Atka, Alaska · 14727 days ago · 33 km deep · 84 km away
  28. 4.461 km SW of Atka, Alaska · 14726 days ago · 33 km deep · 44 km away
  29. 4.885 km SSW of Atka, Alaska · 14725 days ago · 33 km deep · 64 km away
  30. 4.871 km SW of Atka, Alaska · 14725 days ago · 33 km deep · 50 km away
  31. 4.478 km NNE of Adak, Alaska · 14721 days ago · 33 km deep · 98 km away
  32. 4.397 km SSW of Atka, Alaska · 14718 days ago · 33 km deep · 82 km away
  33. 4.493 km ESE of Adak, Alaska · 14717 days ago · 33 km deep · 66 km away
  34. 4.5104 km SW of Atka, Alaska · 14715 days ago · 33 km deep · 73 km away
  35. 4.7100 km SSW of Atka, Alaska · 14711 days ago · 33 km deep · 83 km away
  36. 4.887 km SW of Atka, Alaska · 14711 days ago · 33 km deep · 50 km away
  37. 4.665 km WSW of Atka, Alaska · 14711 days ago · 33 km deep · 14 km away
  38. 4.2118 km SSW of Atka, Alaska · 14711 days ago · 33 km deep · 92 km away
  39. 4.4109 km SW of Atka, Alaska · 14710 days ago · 33 km deep · 79 km away
  40. 4.383 km SW of Atka, Alaska · 14709 days ago · 33 km deep · 47 km away
  41. 5.446 km WNW of Atka, Alaska · 14704 days ago · 33 km deep · 24 km away
  42. 4.743 km W of Atka, Alaska · 14704 days ago · 33 km deep · 17 km away
  43. 4.455 km SE of Adak, Alaska · 14703 days ago · 33 km deep · 91 km away
  44. 5.063 km SE of Adak, Alaska · 14699 days ago · 33 km deep · 97 km away
  45. 4.975 km ESE of Adak, Alaska · 14699 days ago · 33 km deep · 87 km away
  46. 4.5Andreanof Islands, Aleutian Islands, Alaska · 14694 days ago · 33 km deep · 82 km away
  47. 5.527 km E of Adak, Alaska · 14693 days ago · 50 km deep · 92 km away
  48. 4.888 km SSW of Atka, Alaska · 14685 days ago · 33 km deep · 80 km away

Before

  1. 4.021 km SW of Atka, Alaska · 14745 days ago · 33 km deep · 35 km away
  2. 5.048 km W of Atka, Alaska · 14745 days ago · 33 km deep · 18 km away
  3. 5.451 km W of Atka, Alaska · 14745 days ago · 33 km deep · 18 km away
  4. 4.657 km W of Atka, Alaska · 14745 days ago · 33 km deep · 16 km away
  5. 4.774 km SSW of Atka, Alaska · 14745 days ago · 33 km deep · 58 km away
  6. 4.984 km SW of Atka, Alaska · 14745 days ago · 33 km deep · 43 km away
  7. 5.192 km SSW of Atka, Alaska · 14745 days ago · 33 km deep · 80 km away
  8. 4.4106 km SSW of Atka, Alaska · 14746 days ago · 33 km deep · 81 km away
  9. 4.922 km W of Atka, Alaska · 14746 days ago · 33 km deep · 31 km away
  10. 6.525 km NW of Atka, Alaska · 14746 days ago · 26 km deep · 38 km away
  11. 3.880 km SE of Adak, Alaska · 14747 days ago · 33 km deep · 96 km away
  12. 4.889 km SW of Atka, Alaska · 14747 days ago · 33 km deep · 53 km away
  13. 4.6101 km SW of Atka, Alaska · 14747 days ago · 33 km deep · 70 km away
  14. 5.082 km WSW of Atka, Alaska · 14747 days ago · 33 km deep · 38 km away
  15. 4.3114 km SE of Adak, Alaska · 14747 days ago · 33 km deep · 97 km away
  16. 4.098 km SW of Atka, Alaska · 14748 days ago · 33 km deep · 68 km away
  17. 4.0122 km SSW of Atka, Alaska · 14748 days ago · 33 km deep · 97 km away
  18. 3.822 km SW of Atka, Alaska · 14748 days ago · 33 km deep · 34 km away
  19. 5.622 km W of Atka, Alaska · 14748 days ago · 33 km deep · 31 km away
  20. 5.325 km WNW of Atka, Alaska · 14749 days ago · 33 km deep · 36 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002u6d. Read Wed, Sep 30, 2026, 8:29 PM UTC.