Alaska earthquakes

M1.7 earthquake 260 km W of Adak, Alaska

A magnitude 1.7 earthquake struck 260 km W of Adak, Alaska on Sun, Oct 12, 2025, 1:33 PM GMT+12 (01:33 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.3 299 km W of Adak, 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
1.7 (ML, local (Richter)), micro
Magnitude from
AV
Local time
UTC
2025-10-12 01:33:44 UTC
Depth
7.6 km (4.7 mi), shallow
Epicenter
51.911° N, 179.580° 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 0.4 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
131°
Stations used
4

Nearby

Within 100 km, magnitude 1.5 and up: 30 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 1.9259 km W of Adak, Alaska · 355 days ago · 7 km deep · 9 km away
  2. 2.8221 km W of Adak, Alaska · 351 days ago · 10 km deep · 53 km away
  3. 2.8206 km W of Adak, Alaska · 350 days ago · 96 km deep · 60 km away
  4. 4.0Rat Islands, Aleutian Islands, Alaska · 337 days ago · 77 km deep · 85 km away
  5. 1.5163 km W of Adak, Alaska · 335 days ago · 6 km deep · 99 km away
  6. 4.0Rat Islands, Aleutian Islands, Alaska · 329 days ago · 111 km deep · 79 km away
  7. 4.3299 km W of Adak, Alaska · 322 days ago · 200 km deep · 53 km away
  8. 4.3Rat Islands, Aleutian Islands, Alaska · 320 days ago · 97 km deep · 72 km away
  9. 2.6231 km WSW of Adak, Alaska · 317 days ago · 14 km deep · 100 km away
  10. 3.3Rat Islands, Aleutian Islands, Alaska · 317 days ago · 106 km deep · 85 km away
  11. 2.8Rat Islands, Aleutian Islands, Alaska · 317 days ago · 12 km deep · 79 km away
  12. 3.1285 km W of Adak, Alaska · 315 days ago · 120 km deep · 25 km away
  13. 2.6177 km W of Adak, Alaska · 315 days ago · 239 km deep · 84 km away
  14. 3.4246 km WSW of Adak, Alaska · 314 days ago · 47 km deep · 63 km away
  15. 2.3Rat Islands, Aleutian Islands, Alaska · 311 days ago · 13 km deep · 80 km away
  16. 2.9185 km WSW of Adak, Alaska · 311 days ago · 77 km deep · 98 km away
  17. 2.5256 km WSW of Adak, Alaska · 311 days ago · 67 km deep · 52 km away
  18. 2.7276 km W of Adak, Alaska · 311 days ago · 63 km deep · 47 km away
  19. 2.9Rat Islands, Aleutian Islands, Alaska · 310 days ago · 92 km deep · 65 km away
  20. 2.9223 km WSW of Adak, Alaska · 310 days ago · 10 km deep · 96 km away
  21. 3.7259 km WSW of Adak, Alaska · 308 days ago · 54 km deep · 75 km away
  22. 3.7256 km W of Adak, Alaska · 306 days ago · 133 km deep · 17 km away
  23. 2.1273 km W of Adak, Alaska · 300 days ago · 12 km deep · 14 km away
  24. 3.2269 km WSW of Adak, Alaska · 300 days ago · 52 km deep · 66 km away
  25. 4.3266 km W of Adak, Alaska · 300 days ago · 171 km deep · 29 km away
  26. 1.8261 km W of Adak, Alaska · 299 days ago · 4 km deep · 2 km away
  27. 2.1252 km W of Adak, Alaska · 299 days ago · 4 km deep · 8 km away
  28. 1.5261 km W of Adak, Alaska · 298 days ago · 16 km deep · 2 km away
  29. 1.6263 km W of Adak, Alaska · 297 days ago · 3 km deep · 13 km away
  30. 2.4166 km W of Adak, Alaska · 297 days ago · 5 km deep · 98 km away

Before

  1. 3.8253 km W of Adak, Alaska · 363 days ago · 173 km deep · 27 km away
  2. 4.2200 km W of Adak, Alaska · 363 days ago · 79 km deep · 74 km away
  3. 3.2236 km WSW of Adak, Alaska · 363 days ago · 11 km deep · 100 km away
  4. 1.9258 km W of Adak, Alaska · 367 days ago · 9 km deep · 2 km away
  5. 2.2257 km W of Adak, Alaska · 370 days ago · 12 km deep · 3 km away
  6. 1.9253 km W of Adak, Alaska · 370 days ago · 3 km deep · 9 km away
  7. 2.6225 km W of Adak, Alaska · 371 days ago · 84 km deep · 44 km away
  8. 2.6171 km W of Adak, Alaska · 371 days ago · 88 km deep · 95 km away
  9. 2.0264 km W of Adak, Alaska · 372 days ago · 4 km deep · 11 km away
  10. 1.6Rat Islands, Aleutian Islands, Alaska · 373 days ago · 8 km deep · 81 km away
  11. 2.0Rat Islands, Aleutian Islands, Alaska · 378 days ago · 4 km deep · 69 km away
  12. 3.7Rat Islands, Aleutian Islands, Alaska · 379 days ago · 113 km deep · 88 km away
  13. 3.2231 km WSW of Adak, Alaska · 381 days ago · 15 km deep · 60 km away
  14. 1.6Rat Islands, Aleutian Islands, Alaska · 383 days ago · 6 km deep · 77 km away
  15. 1.7Rat Islands, Aleutian Islands, Alaska · 383 days ago · 5 km deep · 83 km away
  16. 4.5261 km W of Adak, Alaska · 385 days ago · 73 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av93818296. Read Sat, Oct 3, 2026, 5:58 AM UTC.