Alaska earthquakes

M4.6 earthquake 69 km ESE of Adak, Alaska

A magnitude 4.6 earthquake struck 69 km ESE of Adak, Alaska on Fri, Jul 25, 1986, 1:06 AM HADT (10:06 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.5 88 km WSW of Atka, 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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1986-07-25 10:06:33 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.754° N, 175.648° 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 1.6 and up: 17 in the 60 days after this one and 26 in the 30 days before it.

After

  1. 4.793 km SSE of Adak, Alaska · 14679 days ago · 33 km deep · 69 km away
  2. 4.497 km SSE of Adak, Alaska · 14677 days ago · 33 km deep · 85 km away
  3. 4.844 km E of Adak, Alaska · 14676 days ago · 33 km deep · 27 km away
  4. 5.588 km WSW of Atka, Alaska · 14676 days ago · 33 km deep · 24 km away
  5. 4.785 km SW of Atka, Alaska · 14676 days ago · 33 km deep · 31 km away
  6. 4.4Andreanof Islands, Aleutian Islands, Alaska · 14675 days ago · 33 km deep · 41 km away
  7. 4.883 km SSE of Adak, Alaska · 14672 days ago · 33 km deep · 75 km away
  8. 4.986 km SSE of Adak, Alaska · 14672 days ago · 33 km deep · 74 km away
  9. 4.354 km SSE of Adak, Alaska · 14672 days ago · 33 km deep · 55 km away
  10. 5.076 km SE of Adak, Alaska · 14671 days ago · 33 km deep · 54 km away
  11. 4.795 km SSW of Atka, Alaska · 14671 days ago · 33 km deep · 73 km away
  12. 4.780 km S of Adak, Alaska · 14670 days ago · 33 km deep · 99 km away
  13. 4.3Andreanof Islands, Aleutian Islands, Alaska · 14664 days ago · 33 km deep · 79 km away
  14. 4.888 km SW of Atka, Alaska · 14659 days ago · 33 km deep · 33 km away
  15. 4.237 km E of Adak, Alaska · 14655 days ago · 33 km deep · 32 km away
  16. 4.364 km ESE of Adak, Alaska · 14652 days ago · 33 km deep · 10 km away
  17. 4.488 km SW of Atka, Alaska · 14641 days ago · 33 km deep · 34 km away

Before

  1. 5.683 km SSE of Adak, Alaska · 14679 days ago · 33 km deep · 65 km away
  2. 5.876 km SSE of Adak, Alaska · 14679 days ago · 33 km deep · 67 km away
  3. 4.993 km SW of Atka, Alaska · 14680 days ago · 33 km deep · 29 km away
  4. 4.952 km S of Adak, Alaska · 14681 days ago · 33 km deep · 82 km away
  5. 4.983 km SSE of Adak, Alaska · 14681 days ago · 33 km deep · 72 km away
  6. 5.257 km SSE of Adak, Alaska · 14682 days ago · 33 km deep · 52 km away
  7. 4.879 km SE of Adak, Alaska · 14683 days ago · 33 km deep · 35 km away
  8. 4.631 km SW of Atka, Alaska · 14684 days ago · 33 km deep · 80 km away
  9. 4.0101 km SW of Atka, Alaska · 14685 days ago · 33 km deep · 44 km away
  10. 4.888 km SSW of Atka, Alaska · 14687 days ago · 33 km deep · 81 km away
  11. 5.026 km SW of Adak, Alaska · 14695 days ago · 57 km deep · 84 km away
  12. 5.527 km E of Adak, Alaska · 14695 days ago · 50 km deep · 44 km away
  13. 4.5Andreanof Islands, Aleutian Islands, Alaska · 14695 days ago · 33 km deep · 52 km away
  14. 4.569 km SE of Adak, Alaska · 14697 days ago · 33 km deep · 49 km away
  15. 4.975 km ESE of Adak, Alaska · 14700 days ago · 33 km deep · 28 km away
  16. 5.063 km SE of Adak, Alaska · 14701 days ago · 33 km deep · 34 km away
  17. 4.484 km SSE of Adak, Alaska · 14704 days ago · 33 km deep · 73 km away
  18. 4.291 km SSE of Adak, Alaska · 14704 days ago · 33 km deep · 78 km away
  19. 4.093 km SSE of Adak, Alaska · 14704 days ago · 33 km deep · 80 km away
  20. 4.236 km S of Adak, Alaska · 14704 days ago · 33 km deep · 69 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002wgb. Read Fri, Oct 2, 2026, 2:19 PM UTC.