Alaska earthquakes

M2.9 earthquake 76 km ENE of Adak, Alaska

A magnitude 2.9 earthquake struck 76 km ENE of Adak, Alaska on Tue, Mar 25, 2025, 6:32 PM HADT (03:32 UTC), 217 km (135 mi) below the surface.

A larger quake followed: M4.9 22 km NNW of Atka, 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-03-26 03:32:39 UTC
Depth
216.8 km (134.7 mi), intermediate-depth
Epicenter
52.188° N, 175.647° 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
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.105 · 12 stations
2.7ML, 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 14.6 km horizontally, 5.1 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
169°
Stations used
17

Nearby

Within 100 km, magnitude 1.5 and up: 173 in the 60 days after this one and 127 in the 30 days before it.

After

  1. 1.861 km ESE of Adak, Alaska · 555 days ago · 47 km deep · 68 km away
  2. 2.748 km WSW of Atka, Alaska · 555 days ago · 10 km deep · 56 km away
  3. 1.894 km SW of Atka, Alaska · 555 days ago · 13 km deep · 70 km away
  4. 1.556 km SSE of Adak, Alaska · 554 days ago · 24 km deep · 94 km away
  5. 2.281 km WSW of Atka, Alaska · 554 days ago · 86 km deep · 30 km away
  6. 1.826 km S of Atka, Alaska · 554 days ago · 64 km deep · 100 km away
  7. 1.555 km SSE of Adak, Alaska · 554 days ago · 23 km deep · 90 km away
  8. 1.660 km SSE of Adak, Alaska · 554 days ago · 19 km deep · 93 km away
  9. 1.957 km SSE of Adak, Alaska · 553 days ago · 19 km deep · 93 km away
  10. 1.965 km SE of Adak, Alaska · 553 days ago · 46 km deep · 84 km away
  11. 3.474 km SSW of Atka, Alaska · 553 days ago · 35 km deep · 89 km away
  12. 3.135 km NNW of Atka, Alaska · 553 days ago · 179 km deep · 91 km away
  13. 1.870 km SE of Adak, Alaska · 553 days ago · 23 km deep · 93 km away
  14. 4.922 km NNW of Atka, Alaska · 552 days ago · 123 km deep · 90 km away
  15. 2.256 km NE of Adak, Alaska · 552 days ago · 192 km deep · 36 km away
  16. 1.751 km SE of Adak, Alaska · 552 days ago · 41 km deep · 83 km away
  17. 1.856 km SE of Adak, Alaska · 552 days ago · 48 km deep · 73 km away
  18. 1.893 km ESE of Adak, Alaska · 552 days ago · 58 km deep · 68 km away
  19. 1.847 km SSE of Adak, Alaska · 552 days ago · 26 km deep · 99 km away
  20. 1.873 km E of Adak, Alaska · 551 days ago · 27 km deep · 35 km away
  21. 1.647 km ENE of Adak, Alaska · 551 days ago · 5 km deep · 28 km away
  22. 2.286 km E of Adak, Alaska · 551 days ago · 65 km deep · 47 km away
  23. 2.597 km ESE of Adak, Alaska · 551 days ago · 35 km deep · 71 km away
  24. 1.718 km ESE of Adak, Alaska · 550 days ago · 73 km deep · 67 km away
  25. 1.859 km SE of Adak, Alaska · 550 days ago · 27 km deep · 80 km away
  26. 1.876 km SE of Adak, Alaska · 550 days ago · 20 km deep · 99 km away
  27. 2.146 km SSE of Adak, Alaska · 549 days ago · 33 km deep · 90 km away
  28. 1.644 km S of Atka, Alaska · 549 days ago · 65 km deep · 100 km away
  29. 2.739 km NNW of Atka, Alaska · 549 days ago · 182 km deep · 84 km away
  30. 3.275 km W of Atka, Alaska · 548 days ago · 109 km deep · 24 km away
  31. 2.973 km E of Adak, Alaska · 547 days ago · 43 km deep · 31 km away
  32. 2.020 km W of Adak, Alaska · 547 days ago · 7 km deep · 94 km away
  33. 2.585 km SE of Adak, Alaska · 547 days ago · 35 km deep · 85 km away
  34. 2.065 km SW of Atka, Alaska · 546 days ago · 40 km deep · 65 km away
  35. 2.7103 km ESE of Adak, Alaska · 546 days ago · 35 km deep · 81 km away
  36. 2.890 km ESE of Adak, Alaska · 546 days ago · 35 km deep · 80 km away
  37. 3.281 km E of Adak, Alaska · 545 days ago · 78 km deep · 23 km away
  38. 2.948 km SW of Atka, Alaska · 545 days ago · 48 km deep · 81 km away
  39. 1.952 km SSE of Adak, Alaska · 544 days ago · 5 km deep · 97 km away
  40. 2.146 km E of Adak, Alaska · 544 days ago · 74 km deep · 46 km away
  41. 2.076 km SW of Atka, Alaska · 544 days ago · 39 km deep · 72 km away
  42. 1.942 km W of Atka, Alaska · 543 days ago · 82 km deep · 57 km away
  43. 2.172 km WSW of Atka, Alaska · 543 days ago · 73 km deep · 38 km away
  44. 2.179 km WSW of Atka, Alaska · 543 days ago · 47 km deep · 52 km away
  45. 1.791 km SW of Atka, Alaska · 542 days ago · 25 km deep · 64 km away
  46. 2.735 km NW of Atka, Alaska · 541 days ago · 131 km deep · 82 km away
  47. 1.964 km SSE of Adak, Alaska · 541 days ago · 26 km deep · 98 km away
  48. 1.763 km SSE of Adak, Alaska · 541 days ago · 33 km deep · 96 km away
  49. 1.750 km ESE of Adak, Alaska · 541 days ago · 51 km deep · 67 km away
  50. 1.863 km SE of Adak, Alaska · 541 days ago · 29 km deep · 82 km away
  51. 1.861 km SSE of Adak, Alaska · 541 days ago · 26 km deep · 97 km away
  52. 1.555 km SSE of Adak, Alaska · 541 days ago · 23 km deep · 91 km away
  53. 1.715 km SSW of Adak, Alaska · 540 days ago · 78 km deep · 90 km away
  54. 2.013 km WSW of Atka, Alaska · 540 days ago · 5 km deep · 87 km away
  55. 1.912 km WSW of Atka, Alaska · 540 days ago · 8 km deep · 87 km away
  56. 1.729 km SSW of Adak, Alaska · 540 days ago · 70 km deep · 99 km away
  57. 1.786 km WSW of Atka, Alaska · 540 days ago · 83 km deep · 41 km away
  58. 1.942 km SSE of Adak, Alaska · 540 days ago · 13 km deep · 96 km away
  59. 3.694 km SW of Atka, Alaska · 540 days ago · 35 km deep · 67 km away
  60. 2.229 km WNW of Atka, Alaska · 539 days ago · 170 km deep · 72 km away

The first 60 of 173.

Before

  1. 1.868 km ESE of Adak, Alaska · 556 days ago · 39 km deep · 64 km away
  2. 2.767 km NE of Adak, Alaska · 556 days ago · 185 km deep · 15 km away
  3. 1.755 km SE of Adak, Alaska · 557 days ago · 26 km deep · 87 km away
  4. 1.916 km SSW of Atka, Alaska · 557 days ago · 19 km deep · 95 km away
  5. 1.921 km SW of Adak, Alaska · 557 days ago · 70 km deep · 96 km away
  6. 1.664 km SSE of Adak, Alaska · 557 days ago · 33 km deep · 99 km away
  7. 1.561 km SE of Adak, Alaska · 557 days ago · 24 km deep · 88 km away
  8. 1.882 km SE of Adak, Alaska · 557 days ago · 22 km deep · 83 km away
  9. 2.178 km E of Adak, Alaska · 557 days ago · 59 km deep · 40 km away
  10. 2.062 km E of Adak, Alaska · 558 days ago · 79 km deep · 29 km away
  11. 1.957 km SE of Adak, Alaska · 558 days ago · 17 km deep · 89 km away
  12. 2.068 km SE of Adak, Alaska · 559 days ago · 19 km deep · 96 km away
  13. 2.758 km SW of Atka, Alaska · 559 days ago · 65 km deep · 72 km away
  14. 3.588 km SW of Atka, Alaska · 559 days ago · 35 km deep · 65 km away
  15. 2.790 km ESE of Adak, Alaska · 559 days ago · 62 km deep · 62 km away
  16. 2.459 km ESE of Adak, Alaska · 561 days ago · 58 km deep · 68 km away
  17. 2.773 km SE of Adak, Alaska · 562 days ago · 28 km deep · 98 km away
  18. 2.042 km ESE of Adak, Alaska · 562 days ago · 55 km deep · 63 km away
  19. 3.170 km SE of Adak, Alaska · 562 days ago · 35 km deep · 92 km away
  20. 1.963 km SE of Adak, Alaska · 563 days ago · 24 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000q71u (also filed as ak0253wmnqq3). Read Fri, Oct 2, 2026, 2:44 AM UTC.