Alaska earthquakes

M2.6 earthquake 140 km SW of Nikolski, Alaska

A magnitude 2.6 earthquake struck 140 km SW of Nikolski, Alaska on Wed, Nov 26, 2025, 4:32 AM HAST (14:32 UTC), 35 km (22 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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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.6 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-11-26 14:32:46 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
52.184° N, 170.525° 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
2.6ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 stations
2.94ML, local (Richter)Alaska Earthquake CenterReviewed · ±0.06973371439598487 · 2 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 4.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
220°, poorly surrounded by stations
Stations used
8

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 2.7161 km SW of Nikolski, Alaska · 311 days ago · 10 km deep · 33 km away
  2. 3.3193 km WSW of Nikolski, Alaska · 311 days ago · 10 km deep · 56 km away
  3. 2.347 km SW of Nikolski, Alaska · 309 days ago · 19 km deep · 94 km away
  4. 2.895 km SSW of Nikolski, Alaska · 306 days ago · 10 km deep · 85 km away
  5. 3.7166 km ESE of Atka, Alaska · 304 days ago · 49 km deep · 99 km away
  6. 1.871 km WSW of Nikolski, Alaska · 303 days ago · 5 km deep · 82 km away
  7. 2.9152 km SW of Nikolski, Alaska · 297 days ago · 35 km deep · 14 km away
  8. 2.344 km WSW of Nikolski, Alaska · 297 days ago · 14 km deep · 96 km away
  9. 2.996 km SW of Nikolski, Alaska · 297 days ago · 35 km deep · 44 km away
  10. 1.745 km SW of Nikolski, Alaska · 295 days ago · 4 km deep · 95 km away
  11. 4.8102 km SSW of Nikolski, Alaska · 295 days ago · 13 km deep · 82 km away · felt by 1
  12. 2.168 km WSW of Nikolski, Alaska · 292 days ago · 20 km deep · 74 km away
  13. 2.861 km WSW of Nikolski, Alaska · 291 days ago · 15 km deep · 80 km away
  14. 1.664 km WSW of Nikolski, Alaska · 289 days ago · 10 km deep · 86 km away
  15. 3.0192 km WSW of Nikolski, Alaska · 288 days ago · 10 km deep · 58 km away
  16. 3.6118 km SSW of Nikolski, Alaska · 285 days ago · 10 km deep · 89 km away
  17. 3.1187 km E of Atka, Alaska · 283 days ago · 8 km deep · 64 km away
  18. 2.9102 km SSW of Nikolski, Alaska · 282 days ago · 35 km deep · 60 km away
  19. 2.759 km SW of Nikolski, Alaska · 281 days ago · 13 km deep · 83 km away
  20. 3.482 km SSW of Nikolski, Alaska · 278 days ago · 21 km deep · 71 km away
  21. 1.569 km WSW of Nikolski, Alaska · 275 days ago · 6 km deep · 80 km away
  22. 2.556 km SW of Nikolski, Alaska · 274 days ago · 5 km deep · 86 km away
  23. 3.3156 km SW of Nikolski, Alaska · 274 days ago · 10 km deep · 32 km away
  24. 2.782 km SSW of Nikolski, Alaska · 273 days ago · 22 km deep · 74 km away
  25. 3.7228 km SW of Nikolski, Alaska · 273 days ago · 10 km deep · 97 km away
  26. 1.563 km WSW of Nikolski, Alaska · 262 days ago · 9 km deep · 79 km away
  27. 3.0130 km SW of Nikolski, Alaska · 257 days ago · 35 km deep · 11 km away
  28. 4.7151 km SSW of Nikolski, Alaska · 256 days ago · 10 km deep · 70 km away
  29. 2.558 km SW of Nikolski, Alaska · 253 days ago · 17 km deep · 82 km away
  30. 3.4120 km W of Nikolski, Alaska · 252 days ago · 105 km deep · 65 km away
  31. 2.761 km W of Nikolski, Alaska · 251 days ago · 7 km deep · 93 km away

Before

  1. 1.669 km WSW of Nikolski, Alaska · 312 days ago · 5 km deep · 83 km away
  2. 3.6182 km WSW of Nikolski, Alaska · 313 days ago · 35 km deep · 45 km away
  3. 3.778 km SW of Nikolski, Alaska · 316 days ago · 35 km deep · 70 km away
  4. 4.2131 km SSW of Nikolski, Alaska · 317 days ago · 10 km deep · 84 km away
  5. 3.079 km SW of Nikolski, Alaska · 318 days ago · 35 km deep · 66 km away
  6. 1.651 km SW of Nikolski, Alaska · 318 days ago · 9 km deep · 89 km away
  7. 2.170 km WSW of Nikolski, Alaska · 319 days ago · 3 km deep · 81 km away
  8. 2.557 km SW of Nikolski, Alaska · 322 days ago · 10 km deep · 84 km away
  9. 3.341 km SW of Nikolski, Alaska · 322 days ago · 10 km deep · 99 km away
  10. 2.456 km WSW of Nikolski, Alaska · 324 days ago · 10 km deep · 90 km away
  11. 1.970 km WSW of Nikolski, Alaska · 326 days ago · 6 km deep · 81 km away
  12. 1.671 km WSW of Nikolski, Alaska · 326 days ago · 5 km deep · 82 km away
  13. 1.670 km WSW of Nikolski, Alaska · 326 days ago · 1 km deep · 81 km away
  14. 1.769 km WSW of Nikolski, Alaska · 327 days ago · 3 km deep · 82 km away
  15. 2.467 km WSW of Nikolski, Alaska · 327 days ago · 4 km deep · 82 km away
  16. 3.5194 km E of Atka, Alaska · 327 days ago · 42 km deep · 62 km away
  17. 3.981 km SW of Nikolski, Alaska · 327 days ago · 43 km deep · 67 km away
  18. 4.3185 km E of Atka, Alaska · 328 days ago · 50 km deep · 69 km away
  19. 3.9186 km E of Atka, Alaska · 328 days ago · 52 km deep · 65 km away
  20. 3.6196 km WSW of Nikolski, Alaska · 328 days ago · 35 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000rfmt (also filed as ak2025xhavrk). Read Sat, Oct 3, 2026, 9:10 AM UTC.