Alaska earthquakes

M3.0 earthquake 87 km SW of Atka, Alaska

A magnitude 3.0 earthquake struck 87 km SW of Atka, Alaska on Fri, May 30, 2025, 6:34 AM HADT (15:34 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.5 59 km SSE 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
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-05-30 15:34:26 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.678° N, 175.159° 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
3.0ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.097 · 14 stations
2.5ML, local (Richter)Alaska Earthquake CenterPreliminary

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 4.9 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
218°, poorly surrounded by stations
Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 84 in the 30 days before it.

After

  1. 1.657 km SE of Adak, Alaska · 490 days ago · 8 km deep · 63 km away
  2. 3.086 km SW of Atka, Alaska · 488 days ago · 35 km deep · 10 km away
  3. 2.053 km E of Adak, Alaska · 487 days ago · 63 km deep · 50 km away
  4. 2.893 km SSE of Adak, Alaska · 487 days ago · 10 km deep · 93 km away
  5. 2.293 km SW of Atka, Alaska · 487 days ago · 26 km deep · 7 km away
  6. 2.762 km WSW of Atka, Alaska · 487 days ago · 35 km deep · 33 km away
  7. 2.133 km E of Adak, Alaska · 486 days ago · 78 km deep · 70 km away
  8. 1.727 km ESE of Adak, Alaska · 485 days ago · 59 km deep · 78 km away
  9. 2.578 km NE of Adak, Alaska · 485 days ago · 157 km deep · 86 km away
  10. 1.560 km SE of Adak, Alaska · 485 days ago · 24 km deep · 69 km away
  11. 2.042 km WNW of Atka, Alaska · 484 days ago · 173 km deep · 84 km away
  12. 1.638 km ESE of Adak, Alaska · 484 days ago · 67 km deep · 66 km away
  13. 2.091 km NE of Adak, Alaska · 483 days ago · 162 km deep · 88 km away
  14. 1.845 km ESE of Adak, Alaska · 483 days ago · 59 km deep · 60 km away
  15. 1.671 km SE of Adak, Alaska · 483 days ago · 24 km deep · 54 km away
  16. 1.749 km SSE of Adak, Alaska · 483 days ago · 27 km deep · 86 km away
  17. 2.076 km NE of Adak, Alaska · 482 days ago · 137 km deep · 76 km away
  18. 1.753 km SSE of Adak, Alaska · 482 days ago · 26 km deep · 95 km away
  19. 1.883 km E of Adak, Alaska · 482 days ago · 88 km deep · 35 km away
  20. 2.236 km ENE of Adak, Alaska · 481 days ago · 122 km deep · 77 km away
  21. 1.721 km SE of Adak, Alaska · 481 days ago · 64 km deep · 85 km away
  22. 1.643 km SE of Atka, Alaska · 480 days ago · 20 km deep · 100 km away
  23. 1.778 km SSE of Adak, Alaska · 480 days ago · 26 km deep · 92 km away
  24. 2.672 km ENE of Adak, Alaska · 480 days ago · 145 km deep · 55 km away
  25. 2.315 km ENE of Adak, Alaska · 480 days ago · 199 km deep · 92 km away
  26. 1.779 km E of Adak, Alaska · 480 days ago · 23 km deep · 26 km away
  27. 2.081 km E of Adak, Alaska · 480 days ago · 85 km deep · 41 km away
  28. 3.356 km SSE of Adak, Alaska · 480 days ago · 34 km deep · 91 km away
  29. 2.745 km S of Adak, Alaska · 479 days ago · 35 km deep · 97 km away
  30. 2.741 km SSW of Atka, Alaska · 479 days ago · 66 km deep · 56 km away
  31. 1.761 km SSE of Adak, Alaska · 478 days ago · 13 km deep · 92 km away
  32. 3.29 km SSE of Atka, Alaska · 478 days ago · 67 km deep · 83 km away
  33. 4.559 km SSE of Adak, Alaska · 477 days ago · 37 km deep · 88 km away
  34. 2.172 km SE of Adak, Alaska · 477 days ago · 47 km deep · 52 km away
  35. 2.047 km SSE of Atka, Alaska · 477 days ago · 2 km deep · 89 km away
  36. 1.647 km W of Atka, Alaska · 477 days ago · 13 km deep · 54 km away
  37. 1.866 km SE of Adak, Alaska · 476 days ago · 28 km deep · 55 km away
  38. 1.655 km SE of Adak, Alaska · 476 days ago · 26 km deep · 75 km away
  39. 1.751 km S of Adak, Alaska · 476 days ago · 31 km deep · 97 km away
  40. 2.891 km SW of Atka, Alaska · 476 days ago · 28 km deep · 5 km away
  41. 1.742 km SSE of Adak, Alaska · 475 days ago · 35 km deep · 93 km away
  42. 1.757 km SSE of Adak, Alaska · 474 days ago · 24 km deep · 93 km away
  43. 1.892 km S of Atka, Alaska · 474 days ago · 4 km deep · 63 km away
  44. 1.9112 km SE of Adak, Alaska · 474 days ago · 11 km deep · 76 km away
  45. 1.8106 km SE of Adak, Alaska · 474 days ago · 6 km deep · 76 km away
  46. 1.9112 km SE of Adak, Alaska · 474 days ago · 10 km deep · 79 km away
  47. 1.977 km SSE of Adak, Alaska · 473 days ago · 13 km deep · 84 km away
  48. 2.767 km SE of Adak, Alaska · 473 days ago · 35 km deep · 64 km away
  49. 1.874 km SE of Adak, Alaska · 473 days ago · 20 km deep · 58 km away
  50. 2.075 km SE of Adak, Alaska · 473 days ago · 26 km deep · 58 km away
  51. 2.173 km SW of Atka, Alaska · 472 days ago · 51 km deep · 15 km away
  52. 1.857 km SSE of Adak, Alaska · 471 days ago · 26 km deep · 81 km away
  53. 2.763 km NE of Adak, Alaska · 471 days ago · 227 km deep · 98 km away
  54. 2.018 km NNW of Atka, Alaska · 471 days ago · 123 km deep · 97 km away
  55. 2.070 km ESE of Adak, Alaska · 470 days ago · 55 km deep · 34 km away
  56. 2.594 km SW of Atka, Alaska · 469 days ago · 35 km deep · 10 km away
  57. 1.844 km S of Adak, Alaska · 469 days ago · 34 km deep · 98 km away
  58. 1.755 km SSE of Adak, Alaska · 469 days ago · 24 km deep · 88 km away
  59. 1.957 km SE of Adak, Alaska · 468 days ago · 20 km deep · 72 km away
  60. 2.954 km WSW of Atka, Alaska · 468 days ago · 70 km deep · 39 km away

The first 60 of at least 199.

Before

  1. 1.986 km SSE of Adak, Alaska · 490 days ago · 18 km deep · 89 km away
  2. 3.026 km ESE of Adak, Alaska · 490 days ago · 75 km deep · 80 km away
  3. 1.962 km SE of Adak, Alaska · 491 days ago · 24 km deep · 72 km away
  4. 3.169 km SSE of Atka, Alaska · 491 days ago · 35 km deep · 99 km away
  5. 1.760 km SSE of Adak, Alaska · 491 days ago · 17 km deep · 93 km away
  6. 2.052 km S of Atka, Alaska · 491 days ago · 42 km deep · 57 km away
  7. 3.231 km WNW of Atka, Alaska · 491 days ago · 213 km deep · 74 km away
  8. 3.673 km ESE of Adak, Alaska · 492 days ago · 35 km deep · 40 km away
  9. 2.9107 km SW of Atka, Alaska · 492 days ago · 35 km deep · 27 km away
  10. 1.969 km SW of Atka, Alaska · 494 days ago · 23 km deep · 18 km away
  11. 2.546 km ESE of Adak, Alaska · 494 days ago · 59 km deep · 60 km away
  12. 3.069 km SE of Adak, Alaska · 494 days ago · 35 km deep · 60 km away
  13. 2.820 km SSE of Adak, Alaska · 495 days ago · 53 km deep · 91 km away
  14. 1.722 km SSW of Atka, Alaska · 495 days ago · 10 km deep · 69 km away
  15. 2.943 km S of Atka, Alaska · 495 days ago · 67 km deep · 59 km away
  16. 3.018 km WNW of Atka, Alaska · 495 days ago · 194 km deep · 84 km away
  17. 3.349 km SE of Adak, Alaska · 496 days ago · 34 km deep · 68 km away
  18. 2.395 km S of Atka, Alaska · 497 days ago · 2 km deep · 62 km away
  19. 2.235 km E of Adak, Alaska · 497 days ago · 79 km deep · 71 km away
  20. 2.174 km SSE of Adak, Alaska · 497 days ago · 26 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000qi07 (also filed as ak0256wbqwke). Read Fri, Oct 2, 2026, 6:54 AM UTC.