Alaska earthquakes

M4.4 earthquake 97 km SSE of Adak, Alaska

A magnitude 4.4 earthquake struck 97 km SSE of Adak, Alaska on Sat, Jul 26, 1986, 6:18 PM HADT (03:18 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.9 79 km S 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
4.4 (mb), light
Local time
UTC
1986-07-27 03:18:14 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.054° N, 176.132° 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: 16 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 4.844 km E of Adak, Alaska · 14673 days ago · 33 km deep · 91 km away
  2. 5.588 km WSW of Atka, Alaska · 14672 days ago · 33 km deep · 99 km away
  3. 4.883 km SSE of Adak, Alaska · 14668 days ago · 33 km deep · 14 km away
  4. 4.986 km SSE of Adak, Alaska · 14668 days ago · 33 km deep · 12 km away
  5. 4.354 km SSE of Adak, Alaska · 14668 days ago · 33 km deep · 44 km away
  6. 5.076 km SE of Adak, Alaska · 14668 days ago · 33 km deep · 31 km away
  7. 5.979 km S of Adak, Alaska · 14667 days ago · 33 km deep · 48 km away
  8. 4.784 km S of Adak, Alaska · 14667 days ago · 33 km deep · 41 km away
  9. 4.987 km S of Adak, Alaska · 14666 days ago · 33 km deep · 40 km away
  10. 4.780 km S of Adak, Alaska · 14666 days ago · 33 km deep · 40 km away
  11. 4.888 km SW of Atka, Alaska · 14656 days ago · 33 km deep · 96 km away
  12. 4.237 km E of Adak, Alaska · 14651 days ago · 33 km deep · 87 km away
  13. 4.364 km ESE of Adak, Alaska · 14649 days ago · 33 km deep · 76 km away
  14. 4.488 km SW of Atka, Alaska · 14637 days ago · 33 km deep · 96 km away
  15. 4.946 km SW of Adak, Alaska · 14624 days ago · 33 km deep · 87 km away
  16. 4.594 km SSW of Adak, Alaska · 14621 days ago · 33 km deep · 58 km away

Before

  1. 4.793 km SSE of Adak, Alaska · 14675 days ago · 33 km deep · 19 km away
  2. 4.669 km ESE of Adak, Alaska · 14676 days ago · 33 km deep · 85 km away
  3. 5.683 km SSE of Adak, Alaska · 14676 days ago · 33 km deep · 20 km away
  4. 5.876 km SSE of Adak, Alaska · 14676 days ago · 33 km deep · 22 km away
  5. 4.993 km SW of Atka, Alaska · 14677 days ago · 33 km deep · 92 km away
  6. 4.952 km S of Adak, Alaska · 14677 days ago · 33 km deep · 55 km away
  7. 4.983 km SSE of Adak, Alaska · 14678 days ago · 33 km deep · 15 km away
  8. 5.257 km SSE of Adak, Alaska · 14678 days ago · 33 km deep · 43 km away
  9. 4.879 km SE of Adak, Alaska · 14679 days ago · 33 km deep · 52 km away
  10. 4.0101 km SW of Atka, Alaska · 14682 days ago · 33 km deep · 84 km away
  11. 5.026 km SW of Adak, Alaska · 14691 days ago · 57 km deep · 87 km away
  12. 5.527 km E of Adak, Alaska · 14691 days ago · 50 km deep · 95 km away
  13. 4.5Andreanof Islands, Aleutian Islands, Alaska · 14692 days ago · 33 km deep · 78 km away
  14. 4.569 km SE of Adak, Alaska · 14694 days ago · 33 km deep · 37 km away
  15. 4.975 km ESE of Adak, Alaska · 14697 days ago · 33 km deep · 58 km away
  16. 5.063 km SE of Adak, Alaska · 14697 days ago · 33 km deep · 52 km away
  17. 4.761 km SW of Adak, Alaska · 14700 days ago · 33 km deep · 81 km away
  18. 4.484 km SSE of Adak, Alaska · 14701 days ago · 33 km deep · 14 km away
  19. 4.291 km SSE of Adak, Alaska · 14701 days ago · 33 km deep · 7 km away
  20. 4.093 km SSE of Adak, Alaska · 14701 days ago · 33 km deep · 5 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002wjx. Read Tue, Sep 29, 2026, 4:01 AM UTC.