Alaska earthquakes

M2.1 earthquake 43 km WNW of Tyonek, Alaska

A magnitude 2.1 earthquake struck 43 km WNW of Tyonek, Alaska on Wed, Oct 22, 2025, 4:27 AM AKDT (12:27 UTC), 92 km (57 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M6.0 12 km WNW of Susitna, Alaska. This one was a foreshock.

Nikiski forecastMore in Alaska

Map

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

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The earthquake

Magnitude
2.1 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-10-22 12:27:33 UTC
Depth
92.1 km (57.2 mi), intermediate-depth
Epicenter
61.200° N, 151.895° W
Region
Alaska
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

An automatic solution; a seismologist may revise it.

Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 95 in the 30 days before it.

After

  1. 1.924 km SSE of Point Possession, Alaska · 347 days ago · 54 km deep · 92 km away
  2. 2.023 km NW of Susitna, Alaska · 347 days ago · 43 km deep · 80 km away
  3. 1.724 km WSW of Tyonek, Alaska · 347 days ago · 71 km deep · 34 km away
  4. 2.112 km W of Tyonek, Alaska · 346 days ago · 61 km deep · 33 km away
  5. 1.545 km WNW of Nikiski, Alaska · 346 days ago · 39 km deep · 47 km away
  6. 2.526 km SSE of Point Possession, Alaska · 346 days ago · 36 km deep · 95 km away · felt by 1
  7. 1.942 km W of Susitna, Alaska · 346 days ago · 16 km deep · 50 km away
  8. 1.836 km W of Susitna, Alaska · 345 days ago · 61 km deep · 50 km away
  9. 1.711 km WSW of Point MacKenzie, Alaska · 345 days ago · 35 km deep · 94 km away
  10. 4.614 km SE of Skwentna, Alaska · 345 days ago · 67 km deep · 83 km away · felt by 667
  11. 1.951 km SSW of Skwentna, Alaska · 345 days ago · 83 km deep · 40 km away
  12. 1.616 km SW of Susitna, Alaska · 344 days ago · 73 km deep · 67 km away
  13. 1.517 km WSW of Point MacKenzie, Alaska · 344 days ago · 39 km deep · 87 km away
  14. 1.65 km W of Funny River, Alaska · 344 days ago · 35 km deep · 95 km away
  15. 1.841 km SSW of Skwentna, Alaska · 343 days ago · 86 km deep · 50 km away
  16. 2.418 km NE of Beluga, Alaska · 343 days ago · 12 km deep · 56 km away · felt by 2
  17. 1.552 km NW of Beluga, Alaska · 343 days ago · 101 km deep · 25 km away
  18. 1.639 km NNW of Beluga, Alaska · 343 days ago · 61 km deep · 43 km away
  19. 1.563 km W of Tyonek, Alaska · 342 days ago · 109 km deep · 28 km away
  20. 1.863 km W of Tyonek, Alaska · 342 days ago · 108 km deep · 29 km away
  21. 1.536 km WNW of Nikiski, Alaska · 342 days ago · 87 km deep · 49 km away
  22. 1.543 km W of Salamatof, Alaska · 341 days ago · 79 km deep · 59 km away
  23. 1.625 km WNW of Clam Gulch, Alaska · 341 days ago · 64 km deep · 98 km away
  24. 1.98 km WNW of Tyonek, Alaska · 341 days ago · 66 km deep · 35 km away
  25. 1.98 km SSE of Susitna, Alaska · 340 days ago · 54 km deep · 83 km away
  26. 2.016 km WNW of Anchorage, Alaska · 340 days ago · 44 km deep · 91 km away · felt by 4
  27. 2.118 km NNE of Susitna, Alaska · 339 days ago · 26 km deep · 98 km away
  28. 1.641 km WNW of Beluga, Alaska · 339 days ago · 81 km deep · 12 km away
  29. 2.548 km W of Tyonek, Alaska · 338 days ago · 120 km deep · 15 km away
  30. 2.05 km ENE of Kalifornsky, Alaska · 338 days ago · 56 km deep · 93 km away
  31. 1.513 km W of Beluga, Alaska · 338 days ago · 73 km deep · 31 km away
  32. 2.316 km WNW of Cohoe, Alaska · 338 days ago · 47 km deep · 89 km away
  33. 2.327 km W of Nikiski, Alaska · 337 days ago · 70 km deep · 52 km away
  34. 1.914 km SSW of Susitna, Alaska · 337 days ago · 42 km deep · 71 km away
  35. 1.830 km WNW of Salamatof, Alaska · 336 days ago · 91 km deep · 57 km away
  36. 2.13 km W of Beluga, Alaska · 336 days ago · 74 km deep · 41 km away
  37. 2.19 km SSW of Tyonek, Alaska · 335 days ago · 3 km deep · 46 km away
  38. 1.538 km WSW of Skwentna, Alaska · 335 days ago · 118 km deep · 79 km away
  39. 1.523 km SW of Tyonek, Alaska · 334 days ago · 65 km deep · 42 km away
  40. 2.27 km W of Point MacKenzie, Alaska · 334 days ago · 3 km deep · 97 km away · felt by 2
  41. 1.928 km WSW of Susitna, Alaska · 334 days ago · 51 km deep · 55 km away
  42. 2.014 km WSW of Kenai, Alaska · 333 days ago · 57 km deep · 79 km away
  43. 1.722 km W of Point MacKenzie, Alaska · 333 days ago · 45 km deep · 82 km away
  44. 1.620 km SSW of Skwentna, Alaska · 333 days ago · 69 km deep · 72 km away
  45. 1.723 km NW of Susitna, Alaska · 333 days ago · 59 km deep · 76 km away
  46. 1.820 km W of Point MacKenzie, Alaska · 333 days ago · 34 km deep · 83 km away
  47. 2.278 km W of Salamatof, Alaska · 333 days ago · 126 km deep · 80 km away
  48. 3.211 km ESE of Tyonek, Alaska · 332 days ago · 20 km deep · 55 km away · felt by 2
  49. 2.132 km SE of Skwentna, Alaska · 332 days ago · 80 km deep · 76 km away
  50. 1.620 km SE of Skwentna, Alaska · 331 days ago · 74 km deep · 84 km away
  51. 2.023 km WSW of Skwentna, Alaska · 331 days ago · 101 km deep · 81 km away
  52. 2.145 km W of Cohoe, Alaska · 331 days ago · 83 km deep · 87 km away
  53. 1.811 km NW of Point MacKenzie, Alaska · 331 days ago · 42 km deep · 100 km away
  54. 2.062 km W of Salamatof, Alaska · 330 days ago · 102 km deep · 71 km away
  55. 1.812 km SSE of Susitna, Alaska · 330 days ago · 53 km deep · 83 km away
  56. 2.020 km NNW of Nikiski, Alaska · 330 days ago · 20 km deep · 46 km away
  57. 1.712 km NNE of Sterling, Alaska · 329 days ago · 14 km deep · 88 km away
  58. 1.654 km SSW of Skwentna, Alaska · 329 days ago · 94 km deep · 37 km away
  59. 1.727 km NW of Susitna, Alaska · 328 days ago · 63 km deep · 81 km away
  60. 1.746 km WNW of Clam Gulch, Alaska · 328 days ago · 81 km deep · 89 km away

The first 60 of at least 199.

Before

  1. 1.858 km NW of Ninilchik, Alaska · 348 days ago · 103 km deep · 96 km away
  2. 1.817 km W of Susitna, Alaska · 348 days ago · 66 km deep · 67 km away
  3. 1.921 km SSE of Point Possession, Alaska · 348 days ago · 48 km deep · 89 km away
  4. 2.557 km NW of Ninilchik, Alaska · 348 days ago · 88 km deep · 92 km away
  5. 1.819 km WNW of Cohoe, Alaska · 349 days ago · 59 km deep · 88 km away
  6. 1.842 km SW of Skwentna, Alaska · 349 days ago · 77 km deep · 53 km away
  7. 1.97 km NNE of Ridgeway, Alaska · 349 days ago · 38 km deep · 82 km away
  8. 1.933 km SSW of Skwentna, Alaska · 350 days ago · 83 km deep · 59 km away
  9. 1.740 km W of Kalifornsky, Alaska · 350 days ago · 81 km deep · 83 km away
  10. 1.535 km W of Susitna, Alaska · 350 days ago · 0 km deep · 50 km away
  11. 1.657 km WNW of Clam Gulch, Alaska · 350 days ago · 82 km deep · 87 km away
  12. 2.45 km SW of Susitna, Alaska · 350 days ago · 33 km deep · 78 km away
  13. 2.017 km WSW of Anchorage, Alaska · 350 days ago · 38 km deep · 90 km away
  14. 1.620 km NNE of Point Possession, Alaska · 350 days ago · 41 km deep · 72 km away
  15. 2.653 km W of Kalifornsky, Alaska · 351 days ago · 86 km deep · 83 km away
  16. 1.651 km WNW of Tyonek, Alaska · 351 days ago · 106 km deep · 9 km away
  17. 1.57 km ESE of Soldotna, Alaska · 351 days ago · 47 km deep · 98 km away
  18. 1.764 km WNW of Nikiski, Alaska · 352 days ago · 110 km deep · 49 km away
  19. 1.629 km S of Susitna, Alaska · 352 days ago · 45 km deep · 71 km away
  20. 1.721 km S of Susitna, Alaska · 352 days ago · 39 km deep · 79 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak025dk2ufvq. Read Sun, Oct 4, 2026, 8:47 PM UTC.