Alaska earthquakes

M1.7 earthquake 59 km ENE of Nikolski, Alaska

A magnitude 1.7 earthquake struck 59 km ENE of Nikolski, Alaska on Sat, Jul 25, 2026, 2:06 AM AKDT (10:06 UTC), 67 km (41 mi) below the surface.

A larger quake followed: M4.0 92 km SSW of Unalaska, 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
1.7 (ml), micro
Local time
UTC
2026-07-25 10:06:43 UTC
Depth
66.5 km (41.3 mi), shallow
Epicenter
53.081° N, 168.010° 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.

Location uncertainty
About 45.0 km horizontally, 10.4 km in depth
Magnitude uncertainty
±0.40
Station coverage gap
209°, poorly surrounded by stations
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 117 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 2.056 km SSW of Unalaska, Alaska · 66 days ago · 12 km deep · 81 km away
  2. 2.152 km SSW of Unalaska, Alaska · 65 days ago · 96 km deep · 84 km away
  3. 3.240 km ESE of Nikolski, Alaska · 64 days ago · 35 km deep · 35 km away
  4. 2.571 km S of Unalaska, Alaska · 64 days ago · 59 km deep · 89 km away
  5. 2.356 km SW of Unalaska, Alaska · 64 days ago · 15 km deep · 77 km away
  6. 2.699 km SSW of Unalaska, Alaska · 64 days ago · 24 km deep · 74 km away
  7. 2.1124 km SE of Nikolski, Alaska · 62 days ago · 19 km deep · 99 km away
  8. 2.744 km SE of Nikolski, Alaska · 61 days ago · 29 km deep · 45 km away
  9. 2.098 km S of Unalaska, Alaska · 61 days ago · 25 km deep · 93 km away
  10. 2.597 km SSW of Unalaska, Alaska · 59 days ago · 35 km deep · 69 km away
  11. 2.190 km E of Nikolski, Alaska · 59 days ago · 39 km deep · 43 km away
  12. 1.977 km SW of Unalaska, Alaska · 59 days ago · 23 km deep · 56 km away
  13. 2.991 km SE of Nikolski, Alaska · 59 days ago · 6 km deep · 81 km away
  14. 2.993 km SE of Nikolski, Alaska · 59 days ago · 10 km deep · 92 km away
  15. 2.194 km SSW of Unalaska, Alaska · 59 days ago · 43 km deep · 72 km away
  16. 2.092 km E of Nikolski, Alaska · 57 days ago · 43 km deep · 43 km away
  17. 2.638 km SE of Nikolski, Alaska · 57 days ago · 35 km deep · 47 km away
  18. 2.359 km S of Nikolski, Alaska · 57 days ago · 28 km deep · 90 km away
  19. 2.595 km SSW of Unalaska, Alaska · 56 days ago · 39 km deep · 72 km away
  20. 2.961 km E of Nikolski, Alaska · 56 days ago · 35 km deep · 11 km away
  21. 2.388 km S of Unalaska, Alaska · 55 days ago · 25 km deep · 95 km away
  22. 2.663 km SSE of Nikolski, Alaska · 54 days ago · 26 km deep · 76 km away
  23. 2.588 km S of Unalaska, Alaska · 54 days ago · 29 km deep · 83 km away
  24. 1.862 km SW of Unalaska, Alaska · 53 days ago · 15 km deep · 72 km away
  25. 1.962 km SSW of Unalaska, Alaska · 52 days ago · 14 km deep · 75 km away
  26. 1.964 km SSW of Unalaska, Alaska · 52 days ago · 18 km deep · 77 km away
  27. 2.160 km ESE of Nikolski, Alaska · 52 days ago · 112 km deep · 36 km away
  28. 2.161 km SSW of Unalaska, Alaska · 52 days ago · 72 km deep · 80 km away
  29. 2.147 km SSE of Nikolski, Alaska · 51 days ago · 28 km deep · 66 km away
  30. 2.589 km E of Nikolski, Alaska · 50 days ago · 37 km deep · 42 km away
  31. 2.5135 km ESE of Nikolski, Alaska · 49 days ago · 10 km deep · 93 km away
  32. 3.0131 km S of Unalaska, Alaska · 49 days ago · 16 km deep · 100 km away
  33. 2.466 km SSW of Unalaska, Alaska · 48 days ago · 34 km deep · 87 km away
  34. 1.8102 km SSW of Unalaska, Alaska · 48 days ago · 29 km deep · 69 km away
  35. 1.893 km S of Unalaska, Alaska · 48 days ago · 15 km deep · 95 km away
  36. 2.897 km SSW of Unalaska, Alaska · 48 days ago · 35 km deep · 79 km away
  37. 2.0100 km E of Nikolski, Alaska · 47 days ago · 24 km deep · 52 km away
  38. 2.190 km S of Unalaska, Alaska · 47 days ago · 16 km deep · 96 km away
  39. 2.295 km SSW of Unalaska, Alaska · 47 days ago · 28 km deep · 73 km away
  40. 1.940 km SW of Unalaska, Alaska · 46 days ago · 12 km deep · 91 km away
  41. 3.292 km E of Nikolski, Alaska · 46 days ago · 35 km deep · 42 km away
  42. 3.561 km SSW of Unalaska, Alaska · 46 days ago · 10 km deep · 76 km away · felt by 5
  43. 2.059 km SSW of Unalaska, Alaska · 46 days ago · 20 km deep · 76 km away
  44. 2.645 km ESE of Nikolski, Alaska · 46 days ago · 33 km deep · 39 km away
  45. 1.986 km SSW of Unalaska, Alaska · 46 days ago · 11 km deep · 57 km away
  46. 2.340 km SSE of Nikolski, Alaska · 45 days ago · 50 km deep · 74 km away
  47. 2.286 km ESE of Nikolski, Alaska · 45 days ago · 25 km deep · 49 km away
  48. 2.359 km SSW of Unalaska, Alaska · 45 days ago · 4 km deep · 77 km away
  49. 2.760 km SSW of Unalaska, Alaska · 45 days ago · 1 km deep · 78 km away
  50. 2.158 km SSW of Unalaska, Alaska · 45 days ago · 3 km deep · 78 km away
  51. 2.460 km SSW of Unalaska, Alaska · 45 days ago · 2 km deep · 77 km away
  52. 2.156 km SSW of Unalaska, Alaska · 45 days ago · 11 km deep · 78 km away
  53. 2.598 km SSW of Unalaska, Alaska · 44 days ago · 23 km deep · 75 km away
  54. 2.687 km S of Unalaska, Alaska · 44 days ago · 20 km deep · 92 km away
  55. 1.959 km WSW of Unalaska, Alaska · 42 days ago · 100 km deep · 73 km away
  56. 3.487 km SSW of Unalaska, Alaska · 42 days ago · 27 km deep · 77 km away
  57. 2.538 km ESE of Nikolski, Alaska · 41 days ago · 45 km deep · 40 km away
  58. 2.4134 km ESE of Nikolski, Alaska · 41 days ago · 12 km deep · 97 km away
  59. 2.279 km S of Unalaska, Alaska · 40 days ago · 40 km deep · 95 km away
  60. 2.469 km SSE of Nikolski, Alaska · 40 days ago · 34 km deep · 85 km away

The first 60 of 117.

Before

  1. 2.5113 km S of Unalaska, Alaska · 66 days ago · 20 km deep · 88 km away
  2. 2.537 km SSE of Nikolski, Alaska · 67 days ago · 36 km deep · 64 km away
  3. 2.653 km SSE of Nikolski, Alaska · 67 days ago · 36 km deep · 78 km away
  4. 2.564 km S of Nikolski, Alaska · 68 days ago · 2 km deep · 96 km away
  5. 2.891 km SE of Nikolski, Alaska · 68 days ago · 10 km deep · 90 km away
  6. 2.256 km ESE of Nikolski, Alaska · 71 days ago · 29 km deep · 40 km away
  7. 2.630 km NE of Nikolski, Alaska · 71 days ago · 144 km deep · 40 km away
  8. 2.741 km SSE of Nikolski, Alaska · 72 days ago · 63 km deep · 64 km away
  9. 2.5108 km SSW of Unalaska, Alaska · 73 days ago · 10 km deep · 61 km away
  10. 2.663 km NNW of Nikolski, Alaska · 74 days ago · 198 km deep · 85 km away
  11. 2.585 km SSW of Unalaska, Alaska · 74 days ago · 35 km deep · 66 km away
  12. 2.392 km S of Unalaska, Alaska · 74 days ago · 16 km deep · 87 km away
  13. 2.352 km S of Nikolski, Alaska · 75 days ago · 36 km deep · 87 km away
  14. 2.229 km SSE of Nikolski, Alaska · 75 days ago · 69 km deep · 67 km away
  15. 1.674 km SW of Unalaska, Alaska · 76 days ago · 19 km deep · 57 km away
  16. 1.640 km WSW of Nikolski, Alaska · 76 days ago · -1 km deep · 100 km away
  17. 3.295 km SSW of Unalaska, Alaska · 77 days ago · 35 km deep · 72 km away
  18. 2.5102 km E of Nikolski, Alaska · 78 days ago · 26 km deep · 48 km away
  19. 2.190 km WSW of Unalaska, Alaska · 78 days ago · 90 km deep · 47 km away
  20. 2.764 km E of Nikolski, Alaska · 78 days ago · 35 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026opksof. Read Tue, Sep 29, 2026, 3:17 AM UTC.