Alaska earthquakes

M1.9 earthquake 89 km ESE of Adak, Alaska

A magnitude 1.9 earthquake struck 89 km ESE of Adak, Alaska on Sat, Oct 18, 2025, 2:35 AM HADT (11:35 UTC), 19 km (11 mi) below the surface.

A larger quake followed: M4.9 47 km SE 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
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-10-18 11:35:33 UTC
Depth
18.5 km (11.5 mi), shallow
Epicenter
51.531° N, 175.470° W
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.

Stations used
15

Nearby

Within 100 km, magnitude 1.5 and up: 53 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.810 km NE of Adak, Alaska · 343 days ago · 28 km deep · 86 km away
  2. 4.947 km SE of Adak, Alaska · 342 days ago · 57 km deep · 46 km away · felt by 1
  3. 3.679 km WSW of Atka, Alaska · 336 days ago · 60 km deep · 39 km away
  4. 4.098 km ESE of Adak, Alaska · 327 days ago · 41 km deep · 15 km away
  5. 3.8113 km SSW of Atka, Alaska · 324 days ago · 10 km deep · 57 km away
  6. 3.010 km S of Adak, Alaska · 323 days ago · 67 km deep · 84 km away
  7. 2.6101 km SW of Atka, Alaska · 323 days ago · 10 km deep · 29 km away
  8. 2.567 km SSE of Adak, Alaska · 318 days ago · 35 km deep · 52 km away
  9. 2.015 km SSE of Adak, Alaska · 317 days ago · 59 km deep · 79 km away
  10. 3.198 km ESE of Adak, Alaska · 317 days ago · 35 km deep · 14 km away
  11. 3.267 km SE of Adak, Alaska · 317 days ago · 35 km deep · 32 km away
  12. 3.029 km SSW of Adak, Alaska · 317 days ago · 69 km deep · 94 km away
  13. 1.639 km NE of Adak, Alaska · 316 days ago · 9 km deep · 78 km away
  14. 2.974 km E of Adak, Alaska · 316 days ago · 27 km deep · 27 km away
  15. 2.252 km NE of Adak, Alaska · 316 days ago · 186 km deep · 91 km away
  16. 2.371 km E of Adak, Alaska · 316 days ago · 70 km deep · 29 km away
  17. 2.754 km S of Adak, Alaska · 314 days ago · 35 km deep · 73 km away
  18. 2.695 km SSE of Adak, Alaska · 314 days ago · 14 km deep · 74 km away
  19. 2.746 km ENE of Adak, Alaska · 312 days ago · 132 km deep · 64 km away
  20. 3.783 km WSW of Atka, Alaska · 311 days ago · 56 km deep · 40 km away
  21. 2.853 km S of Atka, Alaska · 311 days ago · 8 km deep · 89 km away
  22. 2.862 km S of Atka, Alaska · 311 days ago · 10 km deep · 97 km away
  23. 2.353 km SE of Adak, Alaska · 311 days ago · 38 km deep · 39 km away
  24. 2.660 km SE of Adak, Alaska · 309 days ago · 35 km deep · 32 km away
  25. 2.864 km SE of Adak, Alaska · 309 days ago · 35 km deep · 32 km away
  26. 2.349 km S of Adak, Alaska · 309 days ago · 41 km deep · 72 km away
  27. 2.480 km S of Atka, Alaska · 309 days ago · 11 km deep · 92 km away
  28. 2.055 km SSE of Adak, Alaska · 309 days ago · 9 km deep · 58 km away
  29. 1.835 km ESE of Adak, Alaska · 308 days ago · 66 km deep · 54 km away
  30. 1.721 km S of Atka, Alaska · 300 days ago · 14 km deep · 99 km away
  31. 2.750 km S of Adak, Alaska · 300 days ago · 35 km deep · 73 km away
  32. 2.944 km SE of Adak, Alaska · 298 days ago · 43 km deep · 51 km away
  33. 2.371 km SE of Adak, Alaska · 296 days ago · 24 km deep · 29 km away
  34. 2.254 km SE of Adak, Alaska · 295 days ago · 41 km deep · 42 km away
  35. 3.285 km WSW of Atka, Alaska · 295 days ago · 67 km deep · 34 km away
  36. 2.658 km SE of Adak, Alaska · 295 days ago · 35 km deep · 38 km away
  37. 2.370 km SSE of Adak, Alaska · 295 days ago · 15 km deep · 70 km away
  38. 2.122 km S of Adak, Alaska · 294 days ago · 62 km deep · 81 km away
  39. 2.367 km SSE of Adak, Alaska · 294 days ago · 17 km deep · 53 km away
  40. 1.762 km ESE of Adak, Alaska · 294 days ago · 53 km deep · 29 km away
  41. 3.676 km SSE of Adak, Alaska · 293 days ago · 23 km deep · 50 km away
  42. 2.068 km S of Adak, Alaska · 292 days ago · 35 km deep · 92 km away
  43. 2.277 km SSE of Adak, Alaska · 292 days ago · 22 km deep · 69 km away
  44. 2.345 km S of Adak, Alaska · 292 days ago · 30 km deep · 84 km away
  45. 2.258 km S of Adak, Alaska · 292 days ago · 30 km deep · 83 km away
  46. 2.256 km S of Adak, Alaska · 292 days ago · 20 km deep · 85 km away
  47. 2.387 km SW of Atka, Alaska · 291 days ago · 35 km deep · 31 km away
  48. 3.057 km SSW of Adak, Alaska · 291 days ago · 35 km deep · 99 km away
  49. 3.727 km SSE of Adak, Alaska · 291 days ago · 58 km deep · 71 km away
  50. 4.957 km SSE of Adak, Alaska · 291 days ago · 42 km deep · 65 km away · felt by 6
  51. 3.362 km SSE of Adak, Alaska · 291 days ago · 35 km deep · 65 km away
  52. 1.738 km ESE of Adak, Alaska · 290 days ago · 60 km deep · 50 km away
  53. 2.353 km SSE of Adak, Alaska · 290 days ago · 26 km deep · 55 km away

Before

  1. 2.672 km SE of Adak, Alaska · 349 days ago · 35 km deep · 42 km away
  2. 4.4100 km SW of Atka, Alaska · 359 days ago · 35 km deep · 16 km away
  3. 2.757 km SSW of Adak, Alaska · 362 days ago · 34 km deep · 99 km away
  4. 3.979 km NE of Adak, Alaska · 365 days ago · 222 km deep · 97 km away
  5. 2.155 km SSW of Atka, Alaska · 367 days ago · 63 km deep · 76 km away
  6. 3.983 km SW of Atka, Alaska · 369 days ago · 35 km deep · 31 km away
  7. 2.783 km W of Atka, Alaska · 370 days ago · 225 km deep · 85 km away
  8. 2.066 km SE of Adak, Alaska · 370 days ago · 26 km deep · 42 km away
  9. 1.866 km SSE of Adak, Alaska · 370 days ago · 21 km deep · 60 km away
  10. 4.586 km S of Atka, Alaska · 372 days ago · 16 km deep · 76 km away
  11. 4.095 km SSE of Adak, Alaska · 373 days ago · 10 km deep · 59 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak025ddg5c0o. Read Fri, Oct 2, 2026, 9:07 AM UTC.