Alaska earthquakes

M1.9 earthquake 74 km SSE of Adak, Alaska

A magnitude 1.9 earthquake struck 74 km SSE of Adak, Alaska on Wed, Aug 13, 2025, 9:08 AM HADT (18:08 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M4.4 100 km SW of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-08-13 18:08:40 UTC
Depth
25.4 km (15.8 mi), shallow
Epicenter
51.238° N, 176.321° 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
31

Nearby

Within 100 km, magnitude 1.5 and up: 90 in the 60 days after this one and 122 in the 30 days before it.

After

  1. 1.556 km SSW of Adak, Alaska · 415 days ago · 32 km deep · 56 km away
  2. 1.765 km ESE of Adak, Alaska · 415 days ago · 23 km deep · 50 km away
  3. 1.562 km SE of Adak, Alaska · 415 days ago · 26 km deep · 31 km away
  4. 2.716 km SSE of Adak, Alaska · 414 days ago · 16 km deep · 57 km away
  5. 3.371 km SSW of Adak, Alaska · 414 days ago · 35 km deep · 49 km away
  6. 2.252 km SSE of Adak, Alaska · 413 days ago · 26 km deep · 22 km away
  7. 1.659 km SSE of Adak, Alaska · 413 days ago · 26 km deep · 24 km away
  8. 3.716 km SE of Adak, Alaska · 413 days ago · 100 km deep · 62 km away
  9. 2.948 km ESE of Adak, Alaska · 412 days ago · 63 km deep · 56 km away
  10. 1.779 km SW of Adak, Alaska · 412 days ago · 24 km deep · 92 km away
  11. 1.665 km WSW of Adak, Alaska · 412 days ago · 69 km deep · 97 km away
  12. 2.089 km SSE of Adak, Alaska · 411 days ago · 7 km deep · 15 km away
  13. 1.564 km SSW of Adak, Alaska · 410 days ago · 21 km deep · 42 km away
  14. 3.154 km SE of Adak, Alaska · 410 days ago · 35 km deep · 29 km away
  15. 1.862 km SE of Adak, Alaska · 410 days ago · 26 km deep · 39 km away
  16. 1.783 km SW of Adak, Alaska · 410 days ago · 39 km deep · 93 km away
  17. 1.663 km SE of Adak, Alaska · 410 days ago · 26 km deep · 24 km away
  18. 2.562 km SSW of Adak, Alaska · 410 days ago · 43 km deep · 56 km away
  19. 1.563 km SE of Adak, Alaska · 410 days ago · 26 km deep · 38 km away
  20. 2.798 km ESE of Adak, Alaska · 410 days ago · 35 km deep · 83 km away
  21. 1.853 km SSE of Adak, Alaska · 410 days ago · 24 km deep · 21 km away
  22. 3.164 km SE of Adak, Alaska · 409 days ago · 35 km deep · 33 km away
  23. 1.960 km SE of Adak, Alaska · 409 days ago · 23 km deep · 34 km away
  24. 1.854 km S of Adak, Alaska · 409 days ago · 26 km deep · 22 km away
  25. 1.799 km SW of Atka, Alaska · 409 days ago · 26 km deep · 86 km away
  26. 1.569 km SSW of Adak, Alaska · 409 days ago · 26 km deep · 44 km away
  27. 2.0171 km S of Adak, Alaska · 408 days ago · 10 km deep · 99 km away
  28. 3.468 km SW of Adak, Alaska · 408 days ago · 60 km deep · 76 km away
  29. 2.858 km WSW of Adak, Alaska · 407 days ago · 10 km deep · 90 km away
  30. 2.094 km SW of Adak, Alaska · 406 days ago · 27 km deep · 91 km away
  31. 2.665 km SSE of Adak, Alaska · 406 days ago · 35 km deep · 21 km away
  32. 3.093 km SW of Atka, Alaska · 406 days ago · 35 km deep · 90 km away
  33. 1.954 km SSE of Adak, Alaska · 406 days ago · 26 km deep · 20 km away
  34. 2.193 km ESE of Adak, Alaska · 406 days ago · 42 km deep · 86 km away
  35. 1.866 km SSE of Adak, Alaska · 406 days ago · 23 km deep · 9 km away
  36. 1.962 km SE of Adak, Alaska · 405 days ago · 23 km deep · 30 km away
  37. 1.962 km SSE of Adak, Alaska · 405 days ago · 24 km deep · 21 km away
  38. 1.964 km SE of Adak, Alaska · 405 days ago · 24 km deep · 23 km away
  39. 2.565 km S of Adak, Alaska · 405 days ago · 35 km deep · 34 km away
  40. 3.775 km SW of Adak, Alaska · 405 days ago · 40 km deep · 77 km away
  41. 3.088 km SSE of Adak, Alaska · 404 days ago · 20 km deep · 16 km away
  42. 1.962 km SE of Adak, Alaska · 404 days ago · 26 km deep · 40 km away
  43. 1.846 km SSE of Adak, Alaska · 404 days ago · 29 km deep · 29 km away
  44. 2.596 km SSE of Adak, Alaska · 403 days ago · 10 km deep · 23 km away
  45. 1.891 km SSE of Adak, Alaska · 403 days ago · 17 km deep · 18 km away
  46. 2.191 km SSE of Adak, Alaska · 403 days ago · 15 km deep · 18 km away
  47. 2.6107 km SSE of Adak, Alaska · 403 days ago · 10 km deep · 33 km away
  48. 2.692 km SSE of Adak, Alaska · 403 days ago · 10 km deep · 19 km away
  49. 2.894 km SSE of Adak, Alaska · 403 days ago · 10 km deep · 22 km away
  50. 2.9101 km SSE of Adak, Alaska · 403 days ago · 13 km deep · 28 km away
  51. 3.388 km SSE of Adak, Alaska · 403 days ago · 24 km deep · 17 km away
  52. 3.4105 km SSE of Adak, Alaska · 403 days ago · 12 km deep · 31 km away
  53. 1.891 km SSE of Adak, Alaska · 402 days ago · 25 km deep · 19 km away
  54. 1.884 km SSE of Adak, Alaska · 402 days ago · 18 km deep · 12 km away
  55. 1.967 km SSW of Adak, Alaska · 402 days ago · 33 km deep · 48 km away
  56. 3.253 km SE of Adak, Alaska · 402 days ago · 35 km deep · 39 km away
  57. 2.698 km SSE of Adak, Alaska · 402 days ago · 10 km deep · 25 km away
  58. 1.656 km WSW of Adak, Alaska · 402 days ago · 7 km deep · 97 km away
  59. 2.96 km SSE of Adak, Alaska · 402 days ago · 75 km deep · 67 km away
  60. 2.290 km SSE of Adak, Alaska · 401 days ago · 13 km deep · 17 km away

The first 60 of 90.

Before

  1. 1.663 km SE of Adak, Alaska · 416 days ago · 25 km deep · 36 km away
  2. 1.718 km E of Adak, Alaska · 416 days ago · 90 km deep · 68 km away
  3. 1.955 km SSE of Adak, Alaska · 417 days ago · 27 km deep · 21 km away
  4. 1.874 km SSE of Adak, Alaska · 417 days ago · 13 km deep · 14 km away
  5. 2.068 km SE of Adak, Alaska · 417 days ago · 38 km deep · 45 km away
  6. 2.694 km SW of Atka, Alaska · 417 days ago · 35 km deep · 88 km away
  7. 3.752 km SSE of Adak, Alaska · 418 days ago · 35 km deep · 24 km away
  8. 2.5106 km SSW of Adak, Alaska · 419 days ago · 10 km deep · 69 km away
  9. 1.513 km SSE of Adak, Alaska · 419 days ago · 81 km deep · 60 km away
  10. 1.955 km SE of Adak, Alaska · 419 days ago · 26 km deep · 31 km away
  11. 1.740 km SSE of Adak, Alaska · 419 days ago · 31 km deep · 35 km away
  12. 1.735 km ENE of Adak, Alaska · 419 days ago · 107 km deep · 91 km away
  13. 2.576 km SW of Adak, Alaska · 420 days ago · 46 km deep · 84 km away
  14. 1.965 km SSW of Adak, Alaska · 420 days ago · 13 km deep · 49 km away
  15. 1.813 km SW of Adak, Alaska · 420 days ago · 76 km deep · 71 km away
  16. 3.155 km SSE of Adak, Alaska · 421 days ago · 35 km deep · 18 km away
  17. 2.673 km SSW of Adak, Alaska · 421 days ago · 35 km deep · 52 km away
  18. 2.270 km SW of Adak, Alaska · 421 days ago · 37 km deep · 64 km away
  19. 1.978 km SW of Adak, Alaska · 421 days ago · 39 km deep · 89 km away
  20. 1.961 km SE of Adak, Alaska · 421 days ago · 23 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak025aceoosv. Read Sat, Oct 3, 2026, 3:45 AM UTC.