Alaska earthquakes

M2.4 earthquake 17 km NNW of Susitna, Alaska

A magnitude 2.4 earthquake struck 17 km NNW of Susitna, Alaska on Sun, Sep 21, 2025, 3:16 PM AKDT (23:16 UTC), 35 km (22 mi) below the surface.

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

A larger quake followed: M4.6 14 km SE of Skwentna, Alaska. This one was a foreshock.

Willow 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
2.4 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-09-21 23:16:59 UTC
Depth
34.9 km (21.7 mi), shallow
Epicenter
61.697° N, 150.577° W
Region
Alaska
Tsunami flag
No
Status
Automatic solution, may be revised

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.4ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
2.5ML, local (Richter)USGS National Earthquake Information CenterReviewed · ±0.038 · 92 stations

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
38

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 201 in the 60 days after this one and 125 in the 30 days before it.

After

  1. 1.830 km S of Susitna, Alaska · 379 days ago · 41 km deep · 47 km away
  2. 1.85 km NNE of Point Possession, Alaska · 378 days ago · 35 km deep · 81 km away
  3. 1.510 km E of Willow, Alaska · 378 days ago · 34 km deep · 39 km away
  4. 1.737 km ESE of Susitna North, Alaska · 378 days ago · 32 km deep · 86 km away
  5. 1.712 km NNW of Point Possession, Alaska · 378 days ago · 46 km deep · 75 km away
  6. 1.54 km SSE of Trapper Creek, Alaska · 378 days ago · 22 km deep · 68 km away
  7. 1.77 km NNW of Susitna North, Alaska · 378 days ago · 53 km deep · 68 km away
  8. 1.619 km NW of Susitna, Alaska · 377 days ago · 55 km deep · 13 km away
  9. 1.530 km SSE of Skwentna, Alaska · 377 days ago · 79 km deep · 28 km away
  10. 1.741 km SW of Skwentna, Alaska · 376 days ago · 100 km deep · 71 km away
  11. 2.148 km NW of Beluga, Alaska · 376 days ago · 8 km deep · 58 km away
  12. 1.925 km ENE of Skwentna, Alaska · 376 days ago · 63 km deep · 43 km away
  13. 1.79 km NNW of Trapper Creek, Alaska · 376 days ago · 5 km deep · 78 km away
  14. 2.70 km ENE of Gateway, Alaska · 376 days ago · 31 km deep · 72 km away · felt by 3
  15. 2.127 km N of Skwentna, Alaska · 376 days ago · 83 km deep · 76 km away
  16. 2.323 km WSW of Point MacKenzie, Alaska · 376 days ago · 36 km deep · 44 km away
  17. 2.110 km NW of Susitna North, Alaska · 375 days ago · 47 km deep · 66 km away
  18. 2.142 km WNW of Beluga, Alaska · 375 days ago · 91 km deep · 80 km away
  19. 2.240 km WNW of Skwentna, Alaska · 375 days ago · 99 km deep · 94 km away
  20. 1.77 km SW of Knik, Alaska · 374 days ago · 32 km deep · 52 km away
  21. 1.818 km NE of Skwentna, Alaska · 374 days ago · 74 km deep · 57 km away
  22. 2.87 km WNW of Point MacKenzie, Alaska · 374 days ago · 20 km deep · 43 km away · felt by 1
  23. 1.97 km WNW of Point MacKenzie, Alaska · 374 days ago · 35 km deep · 43 km away
  24. 1.53 km NNE of Houston, Alaska · 374 days ago · 49 km deep · 42 km away
  25. 1.55 km WNW of Point Possession, Alaska · 374 days ago · 35 km deep · 84 km away
  26. 2.015 km N of Meadow Lakes, Alaska · 373 days ago · 33 km deep · 54 km away
  27. 1.524 km NNE of Skwentna, Alaska · 373 days ago · 76 km deep · 62 km away
  28. 1.651 km NW of Beluga, Alaska · 373 days ago · 81 km deep · 58 km away
  29. 1.727 km ENE of Skwentna, Alaska · 372 days ago · 57 km deep · 47 km away
  30. 2.114 km NNE of Meadow Lakes, Alaska · 372 days ago · 49 km deep · 55 km away
  31. 1.626 km W of Petersville, Alaska · 372 days ago · 89 km deep · 100 km away
  32. 1.911 km ENE of Susitna North, Alaska · 372 days ago · 36 km deep · 75 km away
  33. 1.74 km ESE of Point Possession, Alaska · 372 days ago · 39 km deep · 89 km away
  34. 2.012 km SW of Susitna, Alaska · 372 days ago · 42 km deep · 27 km away
  35. 1.832 km S of Skwentna, Alaska · 372 days ago · 79 km deep · 38 km away
  36. 1.614 km WNW of Fishhook, Alaska · 371 days ago · 18 km deep · 58 km away
  37. 1.823 km WSW of Trapper Creek, Alaska · 371 days ago · 16 km deep · 59 km away
  38. 1.512 km SSW of Point Possession, Alaska · 371 days ago · 39 km deep · 97 km away
  39. 1.618 km NW of Susitna, Alaska · 371 days ago · 22 km deep · 8 km away
  40. 1.73 km N of Skwentna, Alaska · 371 days ago · 78 km deep · 56 km away
  41. 1.615 km WSW of Hope, Alaska · 370 days ago · 40 km deep · 98 km away
  42. 1.529 km NW of Willow, Alaska · 370 days ago · 48 km deep · 30 km away
  43. 1.930 km NNW of Susitna, Alaska · 370 days ago · 51 km deep · 14 km away · felt by 1
  44. 2.427 km W of Anchorage, Alaska · 370 days ago · 0 km deep · 53 km away
  45. 2.84 km SSW of Big Lake, Alaska · 370 days ago · 39 km deep · 40 km away
  46. 2.040 km WSW of Petersville, Alaska · 370 days ago · 87 km deep · 90 km away
  47. 2.69 km S of Susitna, Alaska · 370 days ago · 55 km deep · 27 km away
  48. 1.525 km SW of Tyonek, Alaska · 369 days ago · 59 km deep · 99 km away
  49. 1.535 km WNW of Willow, Alaska · 369 days ago · 11 km deep · 23 km away
  50. 1.623 km S of Susitna North, Alaska · 369 days ago · 33 km deep · 49 km away
  51. 1.959 km WNW of Beluga, Alaska · 369 days ago · 107 km deep · 94 km away
  52. 1.86 km W of Trapper Creek, Alaska · 369 days ago · 5 km deep · 69 km away
  53. 2.038 km NW of Skwentna, Alaska · 369 days ago · 101 km deep · 92 km away
  54. 1.534 km WSW of Trapper Creek, Alaska · 369 days ago · 65 km deep · 54 km away
  55. 2.19 km WNW of Willow, Alaska · 369 days ago · 33 km deep · 22 km away
  56. 1.728 km ENE of Beluga, Alaska · 368 days ago · 26 km deep · 51 km away
  57. 1.711 km ESE of Eagle River, Alaska · 368 days ago · 31 km deep · 79 km away
  58. 1.923 km SSW of Susitna, Alaska · 367 days ago · 51 km deep · 40 km away
  59. 1.621 km NNE of Beluga, Alaska · 367 days ago · 58 km deep · 46 km away
  60. 1.510 km NW of Point MacKenzie, Alaska · 367 days ago · 31 km deep · 39 km away

The first 60 of at least 201.

Before

  1. 1.84 km NNW of Point MacKenzie, Alaska · 379 days ago · 34 km deep · 44 km away
  2. 1.716 km S of Tyonek, Alaska · 379 days ago · 89 km deep · 90 km away
  3. 1.534 km SW of Trapper Creek, Alaska · 379 days ago · 28 km deep · 41 km away
  4. 1.812 km SSW of Skwentna, Alaska · 380 days ago · 84 km deep · 53 km away
  5. 1.611 km N of Willow, Alaska · 380 days ago · 27 km deep · 33 km away
  6. 1.65 km ESE of Willow, Alaska · 380 days ago · 43 km deep · 33 km away
  7. 1.627 km NNE of Beluga, Alaska · 380 days ago · 54 km deep · 41 km away
  8. 1.922 km WNW of Fishhook, Alaska · 380 days ago · 39 km deep · 53 km away
  9. 1.627 km SE of Susitna North, Alaska · 380 days ago · 31 km deep · 64 km away
  10. 1.77 km SSE of Big Lake, Alaska · 380 days ago · 45 km deep · 45 km away
  11. 1.735 km NW of Beluga, Alaska · 381 days ago · 78 km deep · 70 km away
  12. 1.522 km SSW of Skwentna, Alaska · 381 days ago · 61 km deep · 52 km away
  13. 1.613 km E of Talkeetna, Alaska · 381 days ago · 13 km deep · 79 km away
  14. 1.912 km NW of Point Possession, Alaska · 381 days ago · 45 km deep · 77 km away
  15. 1.513 km N of Meadow Lakes, Alaska · 381 days ago · 31 km deep · 52 km away
  16. 1.617 km SW of Petersville, Alaska · 381 days ago · 86 km deep · 81 km away
  17. 1.740 km E of Skwentna, Alaska · 381 days ago · 18 km deep · 32 km away
  18. 2.115 km SSE of Susitna North, Alaska · 382 days ago · 32 km deep · 56 km away
  19. 2.417 km NNW of Hope, Alaska · 382 days ago · 35 km deep · 83 km away
  20. 2.828 km S of Petersville, Alaska · 382 days ago · 67 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak025c4zo5cd (also filed as us7000qxr5). Read Mon, Oct 5, 2026, 11:47 AM UTC.