Alaska earthquakes

M2.6 earthquake 75 km SSE of Adak, Alaska

A magnitude 2.6 earthquake struck 75 km SSE of Adak, Alaska on Sun, Mar 23, 2025, 10:11 PM HADT (07:11 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.4 71 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
2.6 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-03-24 07:11:05 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.227° N, 176.293° 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 · ±0.115 · 10 stations
2.4ML, 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 4.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
230°, poorly surrounded by stations
Stations used
25

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 1.876 km SSE of Adak, Alaska · 560 days ago · 38 km deep · 2 km away
  2. 1.876 km SSE of Adak, Alaska · 560 days ago · 18 km deep · 3 km away
  3. 1.779 km SSE of Adak, Alaska · 560 days ago · 26 km deep · 16 km away
  4. 1.791 km SSE of Adak, Alaska · 560 days ago · 17 km deep · 21 km away
  5. 3.6110 km SSW of Adak, Alaska · 560 days ago · 10 km deep · 76 km away
  6. 2.2104 km SSW of Adak, Alaska · 560 days ago · 69 km deep · 69 km away
  7. 1.664 km SSE of Adak, Alaska · 560 days ago · 33 km deep · 17 km away
  8. 1.675 km SSE of Adak, Alaska · 560 days ago · 13 km deep · 15 km away
  9. 1.921 km SW of Adak, Alaska · 560 days ago · 70 km deep · 66 km away
  10. 1.676 km SSE of Adak, Alaska · 560 days ago · 19 km deep · 6 km away
  11. 1.676 km SSE of Adak, Alaska · 560 days ago · 15 km deep · 2 km away
  12. 1.755 km SE of Adak, Alaska · 560 days ago · 26 km deep · 29 km away
  13. 1.899 km SSE of Adak, Alaska · 560 days ago · 16 km deep · 25 km away
  14. 3.776 km SSE of Adak, Alaska · 560 days ago · 35 km deep · 13 km away
  15. 1.776 km SSE of Adak, Alaska · 560 days ago · 20 km deep · 14 km away
  16. 3.977 km SSE of Adak, Alaska · 560 days ago · 35 km deep · 13 km away
  17. 1.779 km SSE of Adak, Alaska · 559 days ago · 26 km deep · 18 km away
  18. 1.868 km ESE of Adak, Alaska · 559 days ago · 39 km deep · 57 km away
  19. 3.094 km SSE of Adak, Alaska · 559 days ago · 10 km deep · 19 km away
  20. 2.887 km SSE of Adak, Alaska · 559 days ago · 32 km deep · 12 km away
  21. 2.790 km SSE of Adak, Alaska · 559 days ago · 10 km deep · 15 km away
  22. 2.077 km SSE of Adak, Alaska · 559 days ago · 20 km deep · 4 km away
  23. 2.0106 km SSE of Adak, Alaska · 559 days ago · 26 km deep · 32 km away
  24. 2.674 km SW of Adak, Alaska · 559 days ago · 34 km deep · 90 km away
  25. 1.981 km S of Adak, Alaska · 559 days ago · 7 km deep · 14 km away
  26. 1.866 km SSE of Adak, Alaska · 559 days ago · 23 km deep · 12 km away
  27. 3.8117 km S of Adak, Alaska · 559 days ago · 10 km deep · 44 km away
  28. 3.989 km S of Adak, Alaska · 558 days ago · 26 km deep · 23 km away
  29. 3.192 km S of Adak, Alaska · 558 days ago · 35 km deep · 22 km away
  30. 3.791 km S of Adak, Alaska · 558 days ago · 35 km deep · 21 km away
  31. 2.6100 km SSE of Adak, Alaska · 558 days ago · 10 km deep · 25 km away
  32. 2.4113 km SE of Adak, Alaska · 558 days ago · 14 km deep · 49 km away
  33. 2.180 km SSE of Adak, Alaska · 558 days ago · 19 km deep · 5 km away
  34. 2.5109 km SSE of Adak, Alaska · 558 days ago · 10 km deep · 34 km away
  35. 2.581 km SSE of Adak, Alaska · 558 days ago · 35 km deep · 6 km away
  36. 1.861 km ESE of Adak, Alaska · 558 days ago · 47 km deep · 50 km away
  37. 1.859 km SSW of Adak, Alaska · 558 days ago · 45 km deep · 58 km away
  38. 1.894 km SW of Atka, Alaska · 558 days ago · 13 km deep · 87 km away
  39. 1.993 km SSE of Adak, Alaska · 558 days ago · 3 km deep · 18 km away
  40. 1.888 km S of Adak, Alaska · 558 days ago · 26 km deep · 19 km away
  41. 2.092 km S of Adak, Alaska · 558 days ago · 13 km deep · 20 km away
  42. 1.9103 km SSE of Adak, Alaska · 557 days ago · 13 km deep · 29 km away
  43. 1.556 km SSE of Adak, Alaska · 557 days ago · 24 km deep · 23 km away
  44. 1.9127 km SE of Adak, Alaska · 557 days ago · 24 km deep · 63 km away
  45. 2.0108 km SSE of Adak, Alaska · 557 days ago · 13 km deep · 32 km away
  46. 1.663 km SSE of Adak, Alaska · 557 days ago · 35 km deep · 12 km away
  47. 1.664 km SSE of Adak, Alaska · 557 days ago · 15 km deep · 11 km away
  48. 1.895 km SSE of Adak, Alaska · 557 days ago · 17 km deep · 22 km away
  49. 2.980 km SSE of Adak, Alaska · 557 days ago · 35 km deep · 16 km away
  50. 1.572 km WSW of Adak, Alaska · 557 days ago · 40 km deep · 95 km away
  51. 4.075 km SSE of Adak, Alaska · 557 days ago · 38 km deep · 9 km away
  52. 2.188 km SSE of Adak, Alaska · 557 days ago · 26 km deep · 13 km away
  53. 2.081 km SSE of Adak, Alaska · 557 days ago · 19 km deep · 9 km away
  54. 1.555 km SSE of Adak, Alaska · 557 days ago · 23 km deep · 26 km away
  55. 1.668 km SSE of Adak, Alaska · 557 days ago · 18 km deep · 11 km away
  56. 1.891 km SSE of Adak, Alaska · 557 days ago · 16 km deep · 18 km away
  57. 2.5118 km SSW of Adak, Alaska · 557 days ago · 10 km deep · 77 km away
  58. 2.0126 km SSW of Adak, Alaska · 557 days ago · 30 km deep · 83 km away
  59. 1.666 km SSE of Adak, Alaska · 557 days ago · 24 km deep · 12 km away
  60. 1.660 km SSE of Adak, Alaska · 557 days ago · 19 km deep · 22 km away

The first 60 of at least 200.

Before

  1. 1.978 km SSE of Adak, Alaska · 560 days ago · 18 km deep · 6 km away
  2. 1.7104 km SSE of Adak, Alaska · 560 days ago · 14 km deep · 29 km away
  3. 1.773 km SSE of Adak, Alaska · 560 days ago · 31 km deep · 2 km away
  4. 1.899 km SSE of Adak, Alaska · 560 days ago · 15 km deep · 25 km away
  5. 1.9101 km SSE of Adak, Alaska · 560 days ago · 26 km deep · 26 km away
  6. 1.8100 km SSE of Adak, Alaska · 560 days ago · 15 km deep · 25 km away
  7. 1.773 km SSE of Adak, Alaska · 560 days ago · 26 km deep · 12 km away
  8. 2.0108 km SSE of Adak, Alaska · 560 days ago · 26 km deep · 33 km away
  9. 2.645 km WSW of Adak, Alaska · 560 days ago · 84 km deep · 86 km away
  10. 1.561 km SE of Adak, Alaska · 560 days ago · 24 km deep · 28 km away
  11. 1.882 km SE of Adak, Alaska · 560 days ago · 22 km deep · 49 km away
  12. 1.874 km SSE of Adak, Alaska · 560 days ago · 17 km deep · 7 km away
  13. 1.998 km SSE of Adak, Alaska · 560 days ago · 5 km deep · 24 km away
  14. 2.291 km SSE of Adak, Alaska · 560 days ago · 17 km deep · 17 km away
  15. 2.091 km SSE of Adak, Alaska · 560 days ago · 26 km deep · 16 km away
  16. 1.998 km SSE of Adak, Alaska · 560 days ago · 17 km deep · 23 km away
  17. 1.886 km SSE of Adak, Alaska · 560 days ago · 17 km deep · 11 km away
  18. 2.178 km E of Adak, Alaska · 560 days ago · 59 km deep · 88 km away
  19. 3.595 km SSE of Adak, Alaska · 560 days ago · 10 km deep · 20 km away
  20. 1.978 km SSE of Adak, Alaska · 560 days ago · 21 km deep · 3 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000q6nj (also filed as ak0253tdu7j1). Read Mon, Oct 5, 2026, 3:35 AM UTC.