Alaska earthquakes

M4.3 earthquake 299 km W of Adak, Alaska

A magnitude 4.3 earthquake struck 299 km W of Adak, Alaska on Sat, Nov 15, 2025, 1:20 PM GMT+12 (01:20 UTC), 200 km (125 mi) below the surface.

A larger quake followed: M5.5 Rat Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-11-15 01:20:31 UTC
Depth
200.5 km (124.6 mi), intermediate-depth
Epicenter
52.253° N, 179.037° E
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 9.3 km horizontally, 11.0 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
107°
Stations used
49

Nearby

Within 100 km, magnitude 1.5 and up: 33 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.3Rat Islands, Aleutian Islands, Alaska · 320 days ago · 97 km deep · 64 km away
  2. 3.3Rat Islands, Aleutian Islands, Alaska · 316 days ago · 106 km deep · 69 km away
  3. 2.8Rat Islands, Aleutian Islands, Alaska · 316 days ago · 12 km deep · 97 km away
  4. 3.1285 km W of Adak, Alaska · 314 days ago · 120 km deep · 44 km away
  5. 2.3Rat Islands, Aleutian Islands, Alaska · 311 days ago · 13 km deep · 88 km away
  6. 2.7276 km W of Adak, Alaska · 310 days ago · 63 km deep · 87 km away
  7. 2.9Rat Islands, Aleutian Islands, Alaska · 309 days ago · 92 km deep · 64 km away
  8. 3.7256 km W of Adak, Alaska · 305 days ago · 133 km deep · 46 km away
  9. 2.1273 km W of Adak, Alaska · 300 days ago · 12 km deep · 52 km away
  10. 4.3266 km W of Adak, Alaska · 299 days ago · 171 km deep · 34 km away
  11. 1.8261 km W of Adak, Alaska · 299 days ago · 4 km deep · 53 km away
  12. 2.1252 km W of Adak, Alaska · 298 days ago · 4 km deep · 61 km away
  13. 1.5261 km W of Adak, Alaska · 297 days ago · 16 km deep · 53 km away
  14. 3.0Rat Islands, Aleutian Islands, Alaska · 296 days ago · 139 km deep · 84 km away
  15. 1.6263 km W of Adak, Alaska · 296 days ago · 3 km deep · 61 km away
  16. 2.1263 km W of Adak, Alaska · 295 days ago · 11 km deep · 58 km away
  17. 1.9269 km W of Adak, Alaska · 295 days ago · 8 km deep · 56 km away
  18. 5.5Rat Islands, Aleutian Islands, Alaska · 293 days ago · 108 km deep · 48 km away
  19. 3.4Rat Islands, Aleutian Islands, Alaska · 293 days ago · 116 km deep · 75 km away
  20. 2.6Rat Islands, Aleutian Islands, Alaska · 291 days ago · 112 km deep · 64 km away
  21. 2.0Rat Islands, Aleutian Islands, Alaska · 289 days ago · 3 km deep · 56 km away
  22. 2.6261 km W of Adak, Alaska · 288 days ago · 92 km deep · 66 km away
  23. 3.3220 km W of Adak, Alaska · 287 days ago · 106 km deep · 96 km away
  24. 3.3263 km W of Adak, Alaska · 286 days ago · 193 km deep · 48 km away
  25. 1.6255 km W of Adak, Alaska · 285 days ago · 4 km deep · 67 km away
  26. 3.2262 km W of Adak, Alaska · 282 days ago · 77 km deep · 76 km away
  27. 2.8277 km W of Adak, Alaska · 281 days ago · 67 km deep · 84 km away
  28. 3.5Rat Islands, Aleutian Islands, Alaska · 279 days ago · 125 km deep · 71 km away
  29. 3.4Rat Islands, Aleutian Islands, Alaska · 277 days ago · 122 km deep · 73 km away
  30. 3.7Rat Islands, Aleutian Islands, Alaska · 276 days ago · 98 km deep · 51 km away
  31. 3.4Rat Islands, Aleutian Islands, Alaska · 274 days ago · 98 km deep · 60 km away
  32. 1.5250 km W of Adak, Alaska · 271 days ago · 5 km deep · 54 km away
  33. 2.9233 km W of Adak, Alaska · 262 days ago · 95 km deep · 92 km away

Before

  1. 4.4Rat Islands, Aleutian Islands, Alaska · 323 days ago · 116 km deep · 79 km away
  2. 4.0Rat Islands, Aleutian Islands, Alaska · 329 days ago · 111 km deep · 64 km away
  3. 4.0Rat Islands, Aleutian Islands, Alaska · 337 days ago · 77 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000rne4. Read Fri, Oct 2, 2026, 5:29 PM UTC.