Alaska earthquakes

M2.3 earthquake 38 km WSW of Nikolski, Alaska

A magnitude 2.3 earthquake struck 38 km WSW of Nikolski, Alaska on Sat, Dec 6, 2025, 6:11 PM AKST (03:11 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.8 102 km SSW of Nikolski, 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
2.3 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-12-07 03:11:22 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
52.770° N, 169.359° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

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
2.3ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.115 · 10 stations
2.6ML, local (Richter)Alaska Earthquake CenterReviewed · ±0.2 · 12 stations
2.23ML, local (Richter)AVFinal · ±0.186951456322793 · 9 stations

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 2.5 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
217°, poorly surrounded by stations
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 48 in the 60 days after this one and 33 in the 30 days before it.

After

  1. 3.315 km SSW of Nikolski, Alaska · 300 days ago · 68 km deep · 27 km away
  2. 2.344 km WSW of Nikolski, Alaska · 298 days ago · 14 km deep · 6 km away
  3. 2.996 km SW of Nikolski, Alaska · 298 days ago · 35 km deep · 58 km away
  4. 2.822 km ESE of Nikolski, Alaska · 297 days ago · 76 km deep · 54 km away
  5. 4.443 km ESE of Nikolski, Alaska · 297 days ago · 35 km deep · 71 km away
  6. 1.752 km SE of Nikolski, Alaska · 297 days ago · 35 km deep · 77 km away
  7. 2.481 km SSE of Nikolski, Alaska · 296 days ago · 59 km deep · 87 km away
  8. 1.745 km SW of Nikolski, Alaska · 296 days ago · 4 km deep · 9 km away
  9. 4.8102 km SSW of Nikolski, Alaska · 296 days ago · 13 km deep · 78 km away · felt by 1
  10. 2.168 km WSW of Nikolski, Alaska · 293 days ago · 20 km deep · 30 km away
  11. 2.861 km WSW of Nikolski, Alaska · 292 days ago · 15 km deep · 23 km away
  12. 2.764 km E of Nikolski, Alaska · 290 days ago · 35 km deep · 99 km away
  13. 3.250 km E of Nikolski, Alaska · 290 days ago · 65 km deep · 85 km away
  14. 1.664 km WSW of Nikolski, Alaska · 290 days ago · 10 km deep · 30 km away
  15. 2.360 km SE of Nikolski, Alaska · 288 days ago · 31 km deep · 85 km away
  16. 3.6118 km SSW of Nikolski, Alaska · 286 days ago · 10 km deep · 96 km away
  17. 2.9102 km SSW of Nikolski, Alaska · 283 days ago · 35 km deep · 72 km away
  18. 3.044 km SSW of Nikolski, Alaska · 283 days ago · 35 km deep · 32 km away
  19. 2.142 km SE of Nikolski, Alaska · 282 days ago · 25 km deep · 61 km away
  20. 2.892 km SSE of Nikolski, Alaska · 282 days ago · 4 km deep · 96 km away
  21. 2.759 km SW of Nikolski, Alaska · 282 days ago · 13 km deep · 26 km away
  22. 3.482 km SSW of Nikolski, Alaska · 279 days ago · 21 km deep · 52 km away
  23. 1.569 km WSW of Nikolski, Alaska · 276 days ago · 6 km deep · 34 km away
  24. 2.450 km ESE of Nikolski, Alaska · 275 days ago · 50 km deep · 82 km away
  25. 2.556 km SW of Nikolski, Alaska · 275 days ago · 5 km deep · 23 km away
  26. 2.550 km ESE of Nikolski, Alaska · 275 days ago · 28 km deep · 81 km away
  27. 2.846 km S of Nikolski, Alaska · 275 days ago · 45 km deep · 48 km away
  28. 3.144 km ESE of Nikolski, Alaska · 275 days ago · 33 km deep · 75 km away
  29. 2.762 km ESE of Nikolski, Alaska · 275 days ago · 27 km deep · 92 km away
  30. 3.940 km ESE of Nikolski, Alaska · 275 days ago · 44 km deep · 74 km away
  31. 3.250 km ESE of Nikolski, Alaska · 275 days ago · 28 km deep · 80 km away
  32. 3.956 km ENE of Nikolski, Alaska · 275 days ago · 62 km deep · 94 km away
  33. 2.782 km SSW of Nikolski, Alaska · 274 days ago · 22 km deep · 54 km away
  34. 2.854 km E of Nikolski, Alaska · 267 days ago · 35 km deep · 89 km away
  35. 3.662 km E of Nikolski, Alaska · 265 days ago · 43 km deep · 97 km away
  36. 1.563 km WSW of Nikolski, Alaska · 263 days ago · 9 km deep · 26 km away
  37. 2.617 km SSW of Nikolski, Alaska · 261 days ago · 96 km deep · 26 km away
  38. 3.0130 km SW of Nikolski, Alaska · 258 days ago · 35 km deep · 92 km away
  39. 2.067 km ESE of Nikolski, Alaska · 255 days ago · 21 km deep · 97 km away
  40. 2.639 km SSE of Nikolski, Alaska · 255 days ago · 25 km deep · 49 km away
  41. 2.586 km SSE of Nikolski, Alaska · 254 days ago · 11 km deep · 94 km away
  42. 2.558 km SW of Nikolski, Alaska · 254 days ago · 17 km deep · 22 km away
  43. 3.4120 km W of Nikolski, Alaska · 253 days ago · 105 km deep · 85 km away
  44. 2.761 km W of Nikolski, Alaska · 252 days ago · 7 km deep · 30 km away
  45. 1.963 km WSW of Nikolski, Alaska · 247 days ago · 12 km deep · 25 km away
  46. 2.778 km SW of Nikolski, Alaska · 245 days ago · 10 km deep · 45 km away
  47. 2.128 km SSE of Nikolski, Alaska · 243 days ago · 41 km deep · 48 km away
  48. 1.860 km WSW of Nikolski, Alaska · 241 days ago · 9 km deep · 23 km away

Before

  1. 2.953 km ESE of Nikolski, Alaska · 303 days ago · 40 km deep · 84 km away
  2. 1.871 km WSW of Nikolski, Alaska · 304 days ago · 5 km deep · 37 km away
  3. 2.895 km SSW of Nikolski, Alaska · 307 days ago · 10 km deep · 73 km away
  4. 3.037 km S of Nikolski, Alaska · 308 days ago · 46 km deep · 44 km away
  5. 2.344 km ENE of Nikolski, Alaska · 310 days ago · 65 km deep · 82 km away
  6. 2.347 km SW of Nikolski, Alaska · 310 days ago · 19 km deep · 16 km away
  7. 2.543 km SE of Nikolski, Alaska · 310 days ago · 51 km deep · 69 km away
  8. 2.559 km E of Nikolski, Alaska · 311 days ago · 50 km deep · 95 km away
  9. 2.143 km S of Nikolski, Alaska · 311 days ago · 35 km deep · 42 km away
  10. 3.442 km S of Nikolski, Alaska · 312 days ago · 35 km deep · 36 km away
  11. 2.857 km SSE of Nikolski, Alaska · 312 days ago · 35 km deep · 70 km away
  12. 1.960 km E of Nikolski, Alaska · 312 days ago · 55 km deep · 96 km away
  13. 2.455 km E of Nikolski, Alaska · 312 days ago · 39 km deep · 92 km away
  14. 2.567 km E of Nikolski, Alaska · 312 days ago · 34 km deep · 100 km away
  15. 5.054 km ENE of Nikolski, Alaska · 313 days ago · 66 km deep · 93 km away · felt by 10 · tsunami flag
  16. 1.669 km WSW of Nikolski, Alaska · 313 days ago · 5 km deep · 35 km away
  17. 3.48 km E of Nikolski, Alaska · 314 days ago · 70 km deep · 45 km away
  18. 2.726 km ESE of Nikolski, Alaska · 315 days ago · 35 km deep · 61 km away
  19. 3.778 km SW of Nikolski, Alaska · 317 days ago · 35 km deep · 46 km away
  20. 3.079 km SW of Nikolski, Alaska · 319 days ago · 35 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000rtz1 (also filed as av93930131, ak2025yajgeb). Read Sun, Oct 4, 2026, 7:49 AM UTC.