Alaska earthquakes

M4.5 earthquake 94 km SE of Atka, Alaska

A magnitude 4.5 earthquake struck 94 km SE of Atka, Alaska on Thu, May 29, 1986, 6:59 PM HADT (03:59 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.4 Andreanof Islands, Aleutian Islands, 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
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1986-05-30 03:59:21 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.652° N, 173.143° 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: 5 in the 60 days after this one and 46 in the 30 days before it.

After

  1. 4.765 km S of Atka, Alaska · 14728 days ago · 33 km deep · 75 km away
  2. 5.377 km S of Atka, Alaska · 14728 days ago · 33 km deep · 79 km away
  3. 4.980 km SSE of Atka, Alaska · 14716 days ago · 33 km deep · 51 km away
  4. 4.2156 km ESE of Atka, Alaska · 14711 days ago · 33 km deep · 69 km away
  5. 5.4Andreanof Islands, Aleutian Islands, Alaska · 14676 days ago · 33 km deep · 66 km away

Before

  1. 4.962 km S of Atka, Alaska · 14737 days ago · 33 km deep · 80 km away
  2. 4.752 km SSW of Atka, Alaska · 14738 days ago · 33 km deep · 98 km away
  3. 4.338 km SSW of Atka, Alaska · 14749 days ago · 33 km deep · 89 km away
  4. 4.770 km S of Atka, Alaska · 14750 days ago · 33 km deep · 77 km away
  5. 4.887 km SE of Atka, Alaska · 14750 days ago · 33 km deep · 27 km away
  6. 4.8106 km SSE of Atka, Alaska · 14751 days ago · 33 km deep · 33 km away
  7. 5.090 km SE of Atka, Alaska · 14751 days ago · 33 km deep · 22 km away
  8. 5.488 km SSE of Atka, Alaska · 14751 days ago · 33 km deep · 28 km away
  9. 4.889 km SE of Atka, Alaska · 14751 days ago · 33 km deep · 25 km away
  10. 4.886 km SSE of Atka, Alaska · 14751 days ago · 33 km deep · 28 km away
  11. 4.589 km SE of Atka, Alaska · 14753 days ago · 33 km deep · 21 km away
  12. 4.885 km SE of Atka, Alaska · 14753 days ago · 33 km deep · 24 km away
  13. 4.872 km S of Atka, Alaska · 14753 days ago · 33 km deep · 76 km away
  14. 5.779 km SSE of Atka, Alaska · 14753 days ago · 33 km deep · 43 km away
  15. 5.383 km SSE of Atka, Alaska · 14753 days ago · 33 km deep · 41 km away
  16. 5.383 km SSE of Atka, Alaska · 14753 days ago · 33 km deep · 39 km away
  17. 4.474 km SE of Atka, Alaska · 14754 days ago · 33 km deep · 24 km away
  18. 4.840 km SSE of Atka, Alaska · 14754 days ago · 33 km deep · 67 km away
  19. 4.570 km SE of Atka, Alaska · 14754 days ago · 33 km deep · 26 km away
  20. 4.882 km S of Atka, Alaska · 14755 days ago · 33 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002uka. Read Thu, Oct 1, 2026, 5:11 PM UTC.