Alaska earthquakes

M1.9 earthquake 88 km SSW of Unalaska, Alaska

A magnitude 1.9 earthquake struck 88 km SSW of Unalaska, Alaska on Thu, Aug 7, 2025, 12:12 PM AKDT (20:12 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M3.7 89 km E of Nikolski, Alaska. This one was a foreshock.

Unalaska forecastMore in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.9 (ml), micro
Local time
UTC
2025-08-07 20:12:45 UTC
Depth
25.6 km (15.9 mi), shallow
Epicenter
53.115° N, 166.933° 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
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 54 in the 60 days after this one and 76 in the 30 days before it.

After

  1. 1.649 km SSW of Unalaska, Alaska · 418 days ago · 68 km deep · 43 km away
  2. 1.750 km SW of Unalaska, Alaska · 418 days ago · 14 km deep · 50 km away
  3. 1.8123 km ESE of Nikolski, Alaska · 418 days ago · 15 km deep · 51 km away
  4. 1.876 km SW of Unalaska, Alaska · 418 days ago · 18 km deep · 46 km away
  5. 3.325 km SE of Unalaska, Alaska · 417 days ago · 78 km deep · 84 km away
  6. 1.886 km SSW of Unalaska, Alaska · 416 days ago · 47 km deep · 6 km away
  7. 2.0125 km ESE of Nikolski, Alaska · 416 days ago · 16 km deep · 63 km away
  8. 3.438 km S of Unalaska, Alaska · 415 days ago · 69 km deep · 53 km away
  9. 3.490 km SSW of Unalaska, Alaska · 414 days ago · 35 km deep · 4 km away
  10. 1.749 km SW of Unalaska, Alaska · 414 days ago · 16 km deep · 49 km away
  11. 1.749 km SW of Unalaska, Alaska · 414 days ago · 19 km deep · 50 km away
  12. 1.950 km SW of Unalaska, Alaska · 414 days ago · 13 km deep · 45 km away
  13. 3.329 km SE of Unalaska, Alaska · 413 days ago · 81 km deep · 85 km away
  14. 2.049 km SW of Unalaska, Alaska · 412 days ago · 17 km deep · 48 km away
  15. 1.991 km SSW of Unalaska, Alaska · 412 days ago · 31 km deep · 3 km away
  16. 1.527 km SE of Unalaska, Alaska · 411 days ago · 69 km deep · 76 km away
  17. 1.635 km SSW of Unalaska, Alaska · 411 days ago · 71 km deep · 54 km away
  18. 3.469 km NE of Nikolski, Alaska · 410 days ago · 121 km deep · 89 km away
  19. 1.984 km SSW of Unalaska, Alaska · 410 days ago · 28 km deep · 7 km away
  20. 1.554 km SW of Unalaska, Alaska · 409 days ago · 16 km deep · 52 km away
  21. 1.593 km SSW of Unalaska, Alaska · 408 days ago · 26 km deep · 10 km away
  22. 1.6106 km ESE of Nikolski, Alaska · 408 days ago · 2 km deep · 61 km away
  23. 1.596 km SSW of Unalaska, Alaska · 408 days ago · 26 km deep · 12 km away
  24. 1.7101 km SSW of Unalaska, Alaska · 408 days ago · 32 km deep · 30 km away
  25. 2.634 km SW of Unalaska, Alaska · 408 days ago · 79 km deep · 62 km away
  26. 1.876 km S of Unalaska, Alaska · 408 days ago · 50 km deep · 16 km away
  27. 1.781 km SSE of Unalaska, Alaska · 407 days ago · 21 km deep · 58 km away
  28. 1.874 km ESE of Nikolski, Alaska · 404 days ago · 25 km deep · 75 km away
  29. 1.7110 km ESE of Nikolski, Alaska · 404 days ago · 11 km deep · 76 km away
  30. 2.7113 km SE of Nikolski, Alaska · 404 days ago · 14 km deep · 90 km away
  31. 3.166 km SE of Unalaska, Alaska · 404 days ago · 35 km deep · 79 km away
  32. 2.674 km SSE of Unalaska, Alaska · 403 days ago · 35 km deep · 47 km away
  33. 1.7110 km E of Nikolski, Alaska · 403 days ago · 38 km deep · 32 km away
  34. 1.875 km SE of Unalaska, Alaska · 402 days ago · 39 km deep · 92 km away
  35. 1.587 km SSW of Unalaska, Alaska · 402 days ago · 26 km deep · 5 km away
  36. 2.624 km SE of Unalaska, Alaska · 401 days ago · 74 km deep · 83 km away
  37. 1.860 km SSE of Unalaska, Alaska · 401 days ago · 53 km deep · 60 km away
  38. 1.630 km SSW of Unalaska, Alaska · 400 days ago · 78 km deep · 58 km away
  39. 1.850 km SW of Unalaska, Alaska · 400 days ago · 18 km deep · 49 km away
  40. 2.2138 km ESE of Nikolski, Alaska · 399 days ago · 7 km deep · 89 km away
  41. 1.921 km ESE of Unalaska, Alaska · 398 days ago · 79 km deep · 88 km away
  42. 1.926 km SE of Unalaska, Alaska · 396 days ago · 72 km deep · 85 km away
  43. 2.3103 km E of Nikolski, Alaska · 396 days ago · 47 km deep · 41 km away
  44. 2.593 km WSW of Unalaska, Alaska · 396 days ago · 100 km deep · 74 km away
  45. 1.9102 km SE of Unalaska, Alaska · 394 days ago · 13 km deep · 88 km away
  46. 2.1144 km ESE of Nikolski, Alaska · 394 days ago · 6 km deep · 75 km away
  47. 1.567 km SE of Unalaska, Alaska · 393 days ago · 26 km deep · 74 km away
  48. 1.933 km SW of Unalaska, Alaska · 393 days ago · 75 km deep · 57 km away
  49. 2.616 km SE of Unalaska, Alaska · 393 days ago · 81 km deep · 82 km away
  50. 2.755 km SW of Unalaska, Alaska · 393 days ago · 17 km deep · 45 km away
  51. 2.111 km NW of Dutch Harbor, Alaska · 372 days ago · 11 km deep · 95 km away
  52. 1.753 km SW of Unalaska, Alaska · 368 days ago · 15 km deep · 56 km away
  53. 3.789 km E of Nikolski, Alaska · 365 days ago · 82 km deep · 42 km away
  54. 3.765 km SE of Unalaska, Alaska · 361 days ago · 53 km deep · 78 km away

Before

  1. 1.581 km SSW of Unalaska, Alaska · 419 days ago · 15 km deep · 8 km away
  2. 1.537 km S of Unalaska, Alaska · 419 days ago · 47 km deep · 54 km away
  3. 1.6109 km SSW of Unalaska, Alaska · 419 days ago · 18 km deep · 24 km away
  4. 1.659 km SE of Unalaska, Alaska · 420 days ago · 39 km deep · 91 km away
  5. 2.0106 km SE of Unalaska, Alaska · 420 days ago · 7 km deep · 91 km away
  6. 1.7122 km ESE of Nikolski, Alaska · 420 days ago · 17 km deep · 51 km away
  7. 3.484 km S of Unalaska, Alaska · 420 days ago · 19 km deep · 18 km away
  8. 1.699 km E of Nikolski, Alaska · 420 days ago · 37 km deep · 38 km away
  9. 2.0154 km S of Unalaska, Alaska · 420 days ago · 15 km deep · 73 km away
  10. 1.960 km NE of Nikolski, Alaska · 422 days ago · 71 km deep · 84 km away
  11. 1.8106 km SE of Unalaska, Alaska · 422 days ago · 8 km deep · 88 km away
  12. 1.574 km SW of Unalaska, Alaska · 422 days ago · 13 km deep · 55 km away
  13. 2.831 km SE of Unalaska, Alaska · 423 days ago · 80 km deep · 80 km away
  14. 1.891 km SSW of Unalaska, Alaska · 423 days ago · 26 km deep · 4 km away
  15. 1.892 km SSW of Unalaska, Alaska · 423 days ago · 26 km deep · 4 km away
  16. 2.026 km SE of Unalaska, Alaska · 424 days ago · 79 km deep · 84 km away
  17. 2.046 km WSW of Dutch Harbor, Alaska · 424 days ago · 112 km deep · 75 km away
  18. 1.941 km ESE of Nikolski, Alaska · 425 days ago · 51 km deep · 93 km away
  19. 1.667 km SE of Unalaska, Alaska · 425 days ago · 42 km deep · 86 km away
  20. 1.660 km ESE of Nikolski, Alaska · 426 days ago · 24 km deep · 78 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak025a2ioble. Read Wed, Sep 30, 2026, 4:59 PM UTC.