Alaska earthquakes

M2.6 earthquake 33 km NNE of Atka, Alaska

A magnitude 2.6 earthquake struck 33 km NNE of Atka, Alaska on Tue, Aug 5, 2025, 11:44 AM HADT (20:44 UTC), 166 km (103 mi) below the surface.

A larger quake followed: M4.1 78 km WNW 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
2.6 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-08-05 20:44:51 UTC
Depth
166.3 km (103.3 mi), intermediate-depth
Epicenter
52.480° N, 174.028° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.6ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 stations
2.2ML, local (Richter)Alaska Earthquake CenterPreliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 28.8 km horizontally, 11.8 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
295°, poorly surrounded by stations
Stations used
13

Nearby

Within 100 km, magnitude 1.5 and up: 54 in the 60 days after this one and 49 in the 30 days before it.

After

  1. 2.362 km NNW of Atka, Alaska · 421 days ago · 151 km deep · 42 km away
  2. 2.167 km SSE of Atka, Alaska · 421 days ago · 19 km deep · 96 km away
  3. 2.476 km ESE of Atka, Alaska · 419 days ago · 13 km deep · 79 km away
  4. 2.612 km NW of Atka, Alaska · 418 days ago · 164 km deep · 30 km away
  5. 2.978 km ENE of Atka, Alaska · 418 days ago · 22 km deep · 59 km away
  6. 3.867 km ESE of Atka, Alaska · 417 days ago · 35 km deep · 79 km away
  7. 2.266 km SSW of Atka, Alaska · 417 days ago · 22 km deep · 100 km away
  8. 3.435 km S of Atka, Alaska · 416 days ago · 84 km deep · 69 km away
  9. 1.741 km W of Atka, Alaska · 415 days ago · 99 km deep · 64 km away
  10. 2.348 km NW of Atka, Alaska · 414 days ago · 190 km deep · 44 km away
  11. 2.038 km NW of Atka, Alaska · 414 days ago · 161 km deep · 40 km away
  12. 1.630 km SE of Atka, Alaska · 414 days ago · 79 km deep · 51 km away
  13. 1.877 km ESE of Atka, Alaska · 414 days ago · 46 km deep · 86 km away
  14. 2.725 km NE of Atka, Alaska · 413 days ago · 170 km deep · 18 km away
  15. 2.561 km E of Atka, Alaska · 412 days ago · 9 km deep · 57 km away
  16. 3.871 km SE of Atka, Alaska · 411 days ago · 56 km deep · 93 km away
  17. 3.267 km SE of Atka, Alaska · 411 days ago · 35 km deep · 91 km away
  18. 2.962 km SSE of Atka, Alaska · 411 days ago · 35 km deep · 87 km away
  19. 3.976 km SE of Atka, Alaska · 411 days ago · 35 km deep · 97 km away
  20. 1.770 km SSE of Atka, Alaska · 411 days ago · 3 km deep · 98 km away
  21. 2.731 km ENE of Atka, Alaska · 411 days ago · 170 km deep · 21 km away
  22. 1.868 km WSW of Atka, Alaska · 411 days ago · 126 km deep · 92 km away
  23. 1.749 km SE of Atka, Alaska · 411 days ago · 69 km deep · 68 km away
  24. 1.873 km SE of Atka, Alaska · 410 days ago · 41 km deep · 97 km away
  25. 1.754 km SW of Atka, Alaska · 410 days ago · 64 km deep · 84 km away
  26. 2.845 km SSE of Atka, Alaska · 410 days ago · 77 km deep · 74 km away
  27. 2.815 km SSE of Atka, Alaska · 410 days ago · 75 km deep · 45 km away
  28. 1.844 km ESE of Atka, Alaska · 409 days ago · 9 km deep · 57 km away
  29. 2.799 km E of Atka, Alaska · 409 days ago · 9 km deep · 86 km away
  30. 1.957 km WSW of Atka, Alaska · 408 days ago · 69 km deep · 86 km away
  31. 1.852 km SSW of Atka, Alaska · 406 days ago · 13 km deep · 86 km away
  32. 2.037 km WSW of Atka, Alaska · 406 days ago · 121 km deep · 66 km away
  33. 2.9131 km NNE of Atka, Alaska · 404 days ago · 191 km deep · 98 km away
  34. 3.865 km SE of Atka, Alaska · 404 days ago · 15 km deep · 85 km away
  35. 2.011 km SW of Atka, Alaska · 403 days ago · 16 km deep · 44 km away
  36. 3.452 km ESE of Atka, Alaska · 401 days ago · 59 km deep · 65 km away
  37. 2.162 km ESE of Atka, Alaska · 401 days ago · 65 km deep · 70 km away
  38. 2.147 km ESE of Atka, Alaska · 400 days ago · 54 km deep · 63 km away
  39. 1.714 km N of Atka, Alaska · 398 days ago · 4 km deep · 20 km away
  40. 3.066 km S of Atka, Alaska · 397 days ago · 24 km deep · 99 km away
  41. 4.099 km NW of Atka, Alaska · 397 days ago · 228 km deep · 86 km away
  42. 2.139 km S of Atka, Alaska · 395 days ago · 68 km deep · 73 km away
  43. 3.962 km NW of Atka, Alaska · 391 days ago · 209 km deep · 53 km away
  44. 3.260 km ESE of Atka, Alaska · 388 days ago · 72 km deep · 72 km away
  45. 1.518 km SW of Atka, Alaska · 386 days ago · 9 km deep · 50 km away
  46. 4.178 km WNW of Atka, Alaska · 384 days ago · 219 km deep · 82 km away
  47. 3.844 km SE of Atka, Alaska · 383 days ago · 41 km deep · 64 km away
  48. 1.824 km N of Atka, Alaska · 380 days ago · 3 km deep · 12 km away
  49. 1.939 km ENE of Atka, Alaska · 375 days ago · 27 km deep · 29 km away
  50. 3.451 km E of Atka, Alaska · 371 days ago · 10 km deep · 55 km away
  51. 2.230 km E of Atka, Alaska · 371 days ago · 7 km deep · 35 km away
  52. 2.783 km W of Atka, Alaska · 370 days ago · 225 km deep · 96 km away
  53. 3.192 km WNW of Atka, Alaska · 370 days ago · 215 km deep · 98 km away
  54. 2.155 km SSW of Atka, Alaska · 367 days ago · 63 km deep · 90 km away

Before

  1. 1.627 km ESE of Atka, Alaska · 423 days ago · 11 km deep · 41 km away
  2. 1.615 km W of Atka, Alaska · 424 days ago · 9 km deep · 43 km away
  3. 4.277 km SE of Atka, Alaska · 424 days ago · 35 km deep · 99 km away
  4. 2.177 km WNW of Atka, Alaska · 424 days ago · 133 km deep · 89 km away
  5. 2.145 km SW of Atka, Alaska · 426 days ago · 45 km deep · 79 km away
  6. 2.959 km SSE of Atka, Alaska · 426 days ago · 50 km deep · 85 km away
  7. 2.768 km ESE of Atka, Alaska · 429 days ago · 35 km deep · 77 km away
  8. 1.767 km SE of Atka, Alaska · 430 days ago · 15 km deep · 91 km away
  9. 2.929 km NW of Atka, Alaska · 431 days ago · 160 km deep · 32 km away
  10. 2.048 km NNE of Atka, Alaska · 433 days ago · 130 km deep · 16 km away
  11. 1.731 km ENE of Atka, Alaska · 433 days ago · 3 km deep · 25 km away
  12. 3.037 km E of Atka, Alaska · 433 days ago · 12 km deep · 37 km away
  13. 1.751 km E of Atka, Alaska · 433 days ago · 16 km deep · 54 km away
  14. 2.628 km NNE of Atka, Alaska · 433 days ago · 159 km deep · 8 km away
  15. 2.569 km SSE of Atka, Alaska · 433 days ago · 35 km deep · 95 km away
  16. 1.712 km W of Atka, Alaska · 434 days ago · 8 km deep · 41 km away
  17. 3.115 km WSW of Atka, Alaska · 434 days ago · 8 km deep · 47 km away
  18. 2.559 km SE of Atka, Alaska · 435 days ago · 10 km deep · 79 km away
  19. 2.938 km ENE of Atka, Alaska · 435 days ago · 12 km deep · 32 km away
  20. 2.763 km WSW of Atka, Alaska · 436 days ago · 88 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000reqn (also filed as ak0259z7sjab). Read Fri, Oct 2, 2026, 2:25 PM UTC.