Alaska earthquakes

M1.7 earthquake 18 km E of Adak, Alaska

A magnitude 1.7 earthquake struck 18 km E of Adak, Alaska on Tue, Aug 12, 2025, 4:18 PM HADT (01:18 UTC), 90 km (56 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
1.7 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-08-13 01:18:00 UTC
Depth
89.8 km (55.8 mi), intermediate-depth
Epicenter
51.847° N, 176.364° 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
20

Nearby

Within 100 km, magnitude 1.5 and up: 99 in the 60 days after this one and 117 in the 30 days before it.

After

  1. 1.663 km SE of Adak, Alaska · 416 days ago · 25 km deep · 49 km away
  2. 1.974 km SSE of Adak, Alaska · 415 days ago · 25 km deep · 68 km away
  3. 1.556 km SSW of Adak, Alaska · 415 days ago · 32 km deep · 66 km away
  4. 1.765 km ESE of Adak, Alaska · 415 days ago · 23 km deep · 49 km away
  5. 1.562 km SE of Adak, Alaska · 415 days ago · 26 km deep · 49 km away
  6. 1.946 km NE of Adak, Alaska · 415 days ago · 126 km deep · 38 km away
  7. 2.716 km SSE of Adak, Alaska · 414 days ago · 16 km deep · 18 km away
  8. 3.371 km SSW of Adak, Alaska · 414 days ago · 35 km deep · 78 km away
  9. 2.252 km SSE of Adak, Alaska · 413 days ago · 26 km deep · 49 km away
  10. 1.659 km SSE of Adak, Alaska · 413 days ago · 26 km deep · 48 km away
  11. 3.716 km SE of Adak, Alaska · 413 days ago · 100 km deep · 8 km away
  12. 2.948 km ESE of Adak, Alaska · 412 days ago · 63 km deep · 30 km away
  13. 1.964 km NE of Adak, Alaska · 412 days ago · 162 km deep · 58 km away
  14. 1.779 km SW of Adak, Alaska · 412 days ago · 24 km deep · 94 km away
  15. 1.665 km WSW of Adak, Alaska · 412 days ago · 69 km deep · 83 km away
  16. 1.868 km WSW of Atka, Alaska · 411 days ago · 126 km deep · 84 km away
  17. 2.089 km SSE of Adak, Alaska · 410 days ago · 7 km deep · 83 km away
  18. 1.564 km SSW of Adak, Alaska · 410 days ago · 21 km deep · 70 km away
  19. 3.154 km SE of Adak, Alaska · 410 days ago · 35 km deep · 44 km away
  20. 1.862 km SE of Adak, Alaska · 410 days ago · 26 km deep · 48 km away
  21. 1.783 km SW of Adak, Alaska · 410 days ago · 39 km deep · 97 km away
  22. 1.663 km SE of Adak, Alaska · 410 days ago · 26 km deep · 52 km away
  23. 2.562 km SSW of Adak, Alaska · 410 days ago · 43 km deep · 71 km away
  24. 1.563 km SE of Adak, Alaska · 410 days ago · 26 km deep · 48 km away
  25. 2.798 km ESE of Adak, Alaska · 410 days ago · 35 km deep · 79 km away
  26. 1.853 km SSE of Adak, Alaska · 410 days ago · 24 km deep · 47 km away
  27. 3.164 km SE of Adak, Alaska · 409 days ago · 35 km deep · 50 km away
  28. 1.960 km SE of Adak, Alaska · 409 days ago · 23 km deep · 47 km away
  29. 1.854 km S of Adak, Alaska · 409 days ago · 26 km deep · 52 km away
  30. 1.799 km SW of Atka, Alaska · 409 days ago · 26 km deep · 88 km away
  31. 1.569 km SSW of Adak, Alaska · 409 days ago · 26 km deep · 75 km away
  32. 1.957 km WSW of Atka, Alaska · 408 days ago · 69 km deep · 99 km away
  33. 1.966 km W of Adak, Alaska · 408 days ago · 91 km deep · 85 km away
  34. 3.468 km SW of Adak, Alaska · 408 days ago · 60 km deep · 81 km away
  35. 2.858 km WSW of Adak, Alaska · 407 days ago · 10 km deep · 75 km away
  36. 2.665 km SSE of Adak, Alaska · 406 days ago · 35 km deep · 55 km away
  37. 3.093 km SW of Atka, Alaska · 406 days ago · 35 km deep · 86 km away
  38. 1.954 km SSE of Adak, Alaska · 406 days ago · 26 km deep · 50 km away
  39. 2.193 km ESE of Adak, Alaska · 406 days ago · 42 km deep · 74 km away
  40. 1.866 km SSE of Adak, Alaska · 406 days ago · 23 km deep · 60 km away
  41. 1.962 km SE of Adak, Alaska · 405 days ago · 23 km deep · 50 km away
  42. 1.962 km SSE of Adak, Alaska · 405 days ago · 24 km deep · 52 km away
  43. 1.964 km SE of Adak, Alaska · 405 days ago · 24 km deep · 53 km away
  44. 2.565 km S of Adak, Alaska · 405 days ago · 35 km deep · 68 km away
  45. 3.775 km SW of Adak, Alaska · 405 days ago · 40 km deep · 88 km away
  46. 1.655 km ENE of Adak, Alaska · 404 days ago · 9 km deep · 42 km away
  47. 3.088 km SSE of Adak, Alaska · 404 days ago · 20 km deep · 81 km away
  48. 1.962 km SE of Adak, Alaska · 404 days ago · 26 km deep · 47 km away
  49. 1.846 km SSE of Adak, Alaska · 404 days ago · 29 km deep · 39 km away
  50. 2.596 km SSE of Adak, Alaska · 403 days ago · 10 km deep · 88 km away
  51. 1.891 km SSE of Adak, Alaska · 403 days ago · 17 km deep · 83 km away
  52. 2.191 km SSE of Adak, Alaska · 403 days ago · 15 km deep · 84 km away
  53. 2.6107 km SSE of Adak, Alaska · 403 days ago · 10 km deep · 100 km away
  54. 2.692 km SSE of Adak, Alaska · 403 days ago · 10 km deep · 85 km away
  55. 2.894 km SSE of Adak, Alaska · 403 days ago · 10 km deep · 86 km away
  56. 2.9101 km SSE of Adak, Alaska · 403 days ago · 13 km deep · 93 km away
  57. 3.388 km SSE of Adak, Alaska · 403 days ago · 24 km deep · 81 km away
  58. 3.4105 km SSE of Adak, Alaska · 403 days ago · 12 km deep · 98 km away
  59. 1.891 km SSE of Adak, Alaska · 402 days ago · 25 km deep · 84 km away
  60. 1.884 km SSE of Adak, Alaska · 402 days ago · 18 km deep · 77 km away

The first 60 of 99.

Before

  1. 1.955 km SSE of Adak, Alaska · 417 days ago · 27 km deep · 47 km away
  2. 1.874 km SSE of Adak, Alaska · 417 days ago · 13 km deep · 65 km away
  3. 2.068 km SE of Adak, Alaska · 417 days ago · 38 km deep · 52 km away
  4. 3.161 km NE of Adak, Alaska · 417 days ago · 202 km deep · 53 km away
  5. 2.694 km SW of Atka, Alaska · 417 days ago · 35 km deep · 85 km away
  6. 3.752 km SSE of Adak, Alaska · 418 days ago · 35 km deep · 44 km away
  7. 1.513 km SSE of Adak, Alaska · 419 days ago · 81 km deep · 16 km away
  8. 1.955 km SE of Adak, Alaska · 419 days ago · 26 km deep · 43 km away
  9. 1.740 km SSE of Adak, Alaska · 419 days ago · 31 km deep · 33 km away
  10. 1.735 km ENE of Adak, Alaska · 419 days ago · 107 km deep · 25 km away
  11. 2.287 km N of Adak, Alaska · 419 days ago · 165 km deep · 93 km away
  12. 2.576 km SW of Adak, Alaska · 420 days ago · 46 km deep · 90 km away
  13. 1.965 km SSW of Adak, Alaska · 420 days ago · 13 km deep · 72 km away
  14. 1.813 km SW of Adak, Alaska · 420 days ago · 76 km deep · 30 km away
  15. 3.155 km SSE of Adak, Alaska · 421 days ago · 35 km deep · 51 km away
  16. 2.673 km SSW of Adak, Alaska · 421 days ago · 35 km deep · 80 km away
  17. 2.270 km SW of Adak, Alaska · 421 days ago · 37 km deep · 81 km away
  18. 1.978 km SW of Adak, Alaska · 421 days ago · 39 km deep · 92 km away
  19. 1.961 km SE of Adak, Alaska · 421 days ago · 23 km deep · 50 km away
  20. 1.647 km SSW of Adak, Alaska · 421 days ago · 29 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak025ac4mdm5. Read Sat, Oct 3, 2026, 3:14 AM UTC.