Alaska earthquakes

M1.8 earthquake 75 km SE of Unalaska, Alaska

A magnitude 1.8 earthquake struck 75 km SE of Unalaska, Alaska on Sun, Aug 24, 2025, 1:37 AM AKDT (09:37 UTC), 39 km (24 mi) below the surface.

A larger quake followed: M5.1 49 km S of Akutan, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-08-24 09:37:26 UTC
Depth
39.4 km (24.5 mi), shallow
Epicenter
53.438° N, 165.659° 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.

Stations used
29

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 76 in the 30 days before it.

After

  1. 1.6126 km SE of Akutan, Alaska · 403 days ago · 20 km deep · 70 km away
  2. 1.587 km SSW of Unalaska, Alaska · 403 days ago · 26 km deep · 87 km away
  3. 1.693 km SE of Akutan, Alaska · 403 days ago · 13 km deep · 61 km away
  4. 2.624 km SE of Unalaska, Alaska · 402 days ago · 74 km deep · 51 km away
  5. 1.860 km SSE of Unalaska, Alaska · 402 days ago · 53 km deep · 33 km away
  6. 1.630 km SSW of Unalaska, Alaska · 401 days ago · 78 km deep · 69 km away
  7. 2.784 km SE of Akutan, Alaska · 401 days ago · 35 km deep · 64 km away
  8. 1.850 km SW of Unalaska, Alaska · 401 days ago · 18 km deep · 94 km away
  9. 1.921 km ESE of Unalaska, Alaska · 399 days ago · 79 km deep · 55 km away
  10. 1.926 km SE of Unalaska, Alaska · 397 days ago · 72 km deep · 49 km away
  11. 3.535 km SE of Akutan, Alaska · 397 days ago · 66 km deep · 59 km away
  12. 1.9102 km SE of Unalaska, Alaska · 395 days ago · 13 km deep · 33 km away
  13. 2.661 km SE of Akutan, Alaska · 394 days ago · 35 km deep · 49 km away
  14. 1.885 km ESE of Akutan, Alaska · 394 days ago · 48 km deep · 91 km away
  15. 1.567 km SE of Unalaska, Alaska · 394 days ago · 26 km deep · 18 km away
  16. 1.933 km SW of Unalaska, Alaska · 394 days ago · 75 km deep · 80 km away
  17. 2.616 km SE of Unalaska, Alaska · 394 days ago · 81 km deep · 59 km away
  18. 2.755 km SW of Unalaska, Alaska · 394 days ago · 17 km deep · 96 km away
  19. 2.2108 km ESE of Akutan, Alaska · 393 days ago · 26 km deep · 97 km away
  20. 3.496 km SE of Akutan, Alaska · 392 days ago · 35 km deep · 57 km away
  21. 4.426 km W of Akutan, Alaska · 391 days ago · 103 km deep · 88 km away
  22. 2.111 km NW of Dutch Harbor, Alaska · 373 days ago · 11 km deep · 88 km away
  23. 2.924 km ENE of Dutch Harbor, Alaska · 369 days ago · 127 km deep · 74 km away
  24. 3.396 km ESE of Akutan, Alaska · 368 days ago · 35 km deep · 79 km away
  25. 3.765 km SE of Unalaska, Alaska · 362 days ago · 53 km deep · 15 km away
  26. 3.752 km ESE of Akutan, Alaska · 355 days ago · 78 km deep · 74 km away
  27. 5.149 km S of Akutan, Alaska · 349 days ago · 85 km deep · 30 km away · felt by 20 · tsunami flag
  28. 1.69 km N of Dutch Harbor, Alaska · 349 days ago · 7 km deep · 83 km away
  29. 2.8101 km S of Unalaska, Alaska · 348 days ago · 35 km deep · 76 km away
  30. 1.641 km SE of Akutan, Alaska · 348 days ago · 51 km deep · 53 km away
  31. 1.613 km SSW of Unalaska, Alaska · 344 days ago · 9 km deep · 72 km away

Before

  1. 1.526 km NW of Akutan, Alaska · 404 days ago · 117 km deep · 100 km away
  2. 2.674 km SSE of Unalaska, Alaska · 404 days ago · 35 km deep · 46 km away
  3. 1.688 km SE of Akutan, Alaska · 404 days ago · 28 km deep · 51 km away
  4. 1.726 km NW of Akutan, Alaska · 404 days ago · 100 km deep · 97 km away
  5. 3.166 km SE of Unalaska, Alaska · 405 days ago · 35 km deep · 14 km away
  6. 1.795 km ESE of Akutan, Alaska · 405 days ago · 28 km deep · 88 km away
  7. 2.8130 km SE of Akutan, Alaska · 408 days ago · 24 km deep · 74 km away
  8. 1.781 km SSE of Unalaska, Alaska · 408 days ago · 21 km deep · 38 km away
  9. 1.876 km S of Unalaska, Alaska · 409 days ago · 50 km deep · 77 km away
  10. 2.634 km SW of Unalaska, Alaska · 409 days ago · 79 km deep · 88 km away
  11. 1.984 km SSW of Unalaska, Alaska · 411 days ago · 28 km deep · 85 km away
  12. 2.0151 km SSE of Unalaska, Alaska · 411 days ago · 30 km deep · 89 km away
  13. 1.635 km SSW of Unalaska, Alaska · 412 days ago · 71 km deep · 67 km away
  14. 1.527 km SE of Unalaska, Alaska · 412 days ago · 69 km deep · 49 km away
  15. 1.991 km SSW of Unalaska, Alaska · 413 days ago · 31 km deep · 95 km away
  16. 2.049 km SW of Unalaska, Alaska · 413 days ago · 17 km deep · 92 km away
  17. 2.395 km SE of Akutan, Alaska · 413 days ago · 31 km deep · 70 km away
  18. 3.329 km SE of Unalaska, Alaska · 414 days ago · 81 km deep · 46 km away
  19. 2.524 km SSW of Akutan, Alaska · 414 days ago · 83 km deep · 58 km away
  20. 1.950 km SW of Unalaska, Alaska · 415 days ago · 13 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak025augest8. Read Thu, Oct 1, 2026, 4:34 PM UTC.