Alaska earthquakes

M5.2 earthquake 57 km SSE of Adak, Alaska

A magnitude 5.2 earthquake struck 57 km SSE of Adak, Alaska on Tue, Jul 22, 1986, 3:08 PM HADT (00:08 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.8 76 km SSE of Adak, Alaska. This one was a foreshock.

More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
5.2 (mb), moderate
Local time
UTC
1986-07-23 00:08:41 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.438° N, 176.194° 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 2.2 and up: 27 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 4.983 km SSE of Adak, Alaska · 14672 days ago · 33 km deep · 28 km away
  2. 4.952 km S of Adak, Alaska · 14671 days ago · 33 km deep · 35 km away
  3. 4.993 km SW of Atka, Alaska · 14670 days ago · 33 km deep · 70 km away
  4. 5.876 km SSE of Adak, Alaska · 14669 days ago · 33 km deep · 21 km away
  5. 5.683 km SSE of Adak, Alaska · 14669 days ago · 33 km deep · 26 km away
  6. 4.669 km ESE of Adak, Alaska · 14669 days ago · 33 km deep · 52 km away
  7. 4.793 km SSE of Adak, Alaska · 14669 days ago · 33 km deep · 36 km away
  8. 4.497 km SSE of Adak, Alaska · 14668 days ago · 33 km deep · 43 km away
  9. 4.844 km E of Adak, Alaska · 14667 days ago · 33 km deep · 50 km away
  10. 5.588 km WSW of Atka, Alaska · 14666 days ago · 33 km deep · 72 km away
  11. 4.785 km SW of Atka, Alaska · 14666 days ago · 33 km deep · 77 km away
  12. 4.4Andreanof Islands, Aleutian Islands, Alaska · 14666 days ago · 33 km deep · 92 km away
  13. 4.883 km SSE of Adak, Alaska · 14662 days ago · 33 km deep · 30 km away
  14. 4.986 km SSE of Adak, Alaska · 14662 days ago · 33 km deep · 31 km away
  15. 4.354 km SSE of Adak, Alaska · 14662 days ago · 33 km deep · 5 km away
  16. 5.076 km SE of Adak, Alaska · 14662 days ago · 33 km deep · 20 km away
  17. 4.795 km SSW of Atka, Alaska · 14661 days ago · 33 km deep · 100 km away
  18. 5.979 km S of Adak, Alaska · 14660 days ago · 33 km deep · 52 km away
  19. 4.784 km S of Adak, Alaska · 14660 days ago · 33 km deep · 51 km away
  20. 4.987 km S of Adak, Alaska · 14660 days ago · 33 km deep · 52 km away
  21. 4.780 km S of Adak, Alaska · 14660 days ago · 33 km deep · 47 km away
  22. 4.888 km SW of Atka, Alaska · 14649 days ago · 33 km deep · 75 km away
  23. 4.237 km E of Adak, Alaska · 14645 days ago · 33 km deep · 45 km away
  24. 4.364 km ESE of Adak, Alaska · 14642 days ago · 33 km deep · 42 km away
  25. 4.488 km SW of Atka, Alaska · 14631 days ago · 33 km deep · 76 km away
  26. 4.946 km SW of Adak, Alaska · 14618 days ago · 33 km deep · 63 km away
  27. 4.594 km SSW of Adak, Alaska · 14615 days ago · 33 km deep · 69 km away

Before

  1. 4.879 km SE of Adak, Alaska · 14673 days ago · 33 km deep · 33 km away
  2. 4.0101 km SW of Atka, Alaska · 14675 days ago · 33 km deep · 72 km away
  3. 5.026 km SW of Adak, Alaska · 14685 days ago · 57 km deep · 54 km away
  4. 5.527 km E of Adak, Alaska · 14685 days ago · 50 km deep · 52 km away
  5. 4.5Andreanof Islands, Aleutian Islands, Alaska · 14686 days ago · 33 km deep · 72 km away
  6. 4.569 km SE of Adak, Alaska · 14687 days ago · 33 km deep · 14 km away
  7. 4.975 km ESE of Adak, Alaska · 14691 days ago · 33 km deep · 34 km away
  8. 5.063 km SE of Adak, Alaska · 14691 days ago · 33 km deep · 19 km away
  9. 4.761 km SW of Adak, Alaska · 14694 days ago · 33 km deep · 65 km away
  10. 4.484 km SSE of Adak, Alaska · 14695 days ago · 33 km deep · 29 km away
  11. 4.291 km SSE of Adak, Alaska · 14695 days ago · 33 km deep · 36 km away
  12. 4.093 km SSE of Adak, Alaska · 14695 days ago · 33 km deep · 38 km away
  13. 4.236 km S of Adak, Alaska · 14695 days ago · 33 km deep · 30 km away
  14. 5.475 km SSE of Adak, Alaska · 14695 days ago · 33 km deep · 20 km away
  15. 4.455 km SE of Adak, Alaska · 14695 days ago · 33 km deep · 24 km away
  16. 4.558 km S of Adak, Alaska · 14695 days ago · 33 km deep · 36 km away
  17. 4.853 km S of Adak, Alaska · 14695 days ago · 33 km deep · 34 km away
  18. 4.383 km SW of Atka, Alaska · 14701 days ago · 33 km deep · 80 km away
  19. 4.359 km SW of Adak, Alaska · 14701 days ago · 33 km deep · 69 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002wda. Read Tue, Sep 22, 2026, 7:50 PM UTC.