Alaska earthquakes

M2.9 earthquake 48 km WSW of Adak, Alaska

A magnitude 2.9 earthquake struck 48 km WSW of Adak, Alaska on Sun, Apr 13, 2025, 9:39 AM HADT (18:39 UTC), 76 km (47 mi) below the surface.

A larger quake followed: M5.2 148 km WSW 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-04-13 18:39:06 UTC
Depth
76.0 km (47.2 mi), intermediate-depth
Epicenter
51.670° N, 177.251° 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 · ±0.097 · 14 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 7.1 km horizontally, 6.0 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
190°, poorly surrounded by stations
Stations used
22

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 3.583 km SSE of Adak, Alaska · 537 days ago · 19 km deep · 91 km away
  2. 2.257 km WSW of Adak, Alaska · 537 days ago · 63 km deep · 11 km away
  3. 2.580 km SSE of Adak, Alaska · 537 days ago · 35 km deep · 92 km away
  4. 1.861 km SE of Adak, Alaska · 536 days ago · 25 km deep · 90 km away
  5. 2.084 km WSW of Adak, Alaska · 536 days ago · 40 km deep · 36 km away
  6. 1.646 km SW of Adak, Alaska · 536 days ago · 50 km deep · 17 km away
  7. 1.658 km SE of Adak, Alaska · 536 days ago · 24 km deep · 83 km away
  8. 3.280 km SSE of Adak, Alaska · 536 days ago · 26 km deep · 85 km away
  9. 3.26 km ENE of Adak, Alaska · 536 days ago · 77 km deep · 54 km away
  10. 2.013 km SE of Adak, Alaska · 536 days ago · 72 km deep · 55 km away
  11. 1.7102 km WSW of Adak, Alaska · 536 days ago · 15 km deep · 54 km away
  12. 1.935 km WNW of Adak, Alaska · 536 days ago · 112 km deep · 35 km away
  13. 1.884 km SSE of Adak, Alaska · 535 days ago · 18 km deep · 90 km away
  14. 1.831 km S of Adak, Alaska · 535 days ago · 48 km deep · 47 km away
  15. 2.735 km E of Adak, Alaska · 535 days ago · 129 km deep · 83 km away
  16. 5.2148 km WSW of Adak, Alaska · 535 days ago · 35 km deep · 100 km away · felt by 3 · tsunami flag
  17. 2.9146 km SW of Adak, Alaska · 535 days ago · 30 km deep · 99 km away
  18. 1.8124 km WSW of Adak, Alaska · 535 days ago · 25 km deep · 76 km away
  19. 2.055 km SSW of Adak, Alaska · 535 days ago · 38 km deep · 27 km away
  20. 3.4142 km WSW of Adak, Alaska · 534 days ago · 35 km deep · 95 km away
  21. 3.282 km SSE of Adak, Alaska · 534 days ago · 18 km deep · 87 km away
  22. 2.1145 km WSW of Adak, Alaska · 534 days ago · 24 km deep · 97 km away
  23. 1.955 km SE of Adak, Alaska · 534 days ago · 28 km deep · 81 km away
  24. 2.6144 km WSW of Adak, Alaska · 534 days ago · 35 km deep · 96 km away
  25. 2.0143 km WSW of Adak, Alaska · 534 days ago · 23 km deep · 95 km away
  26. 1.68 km SSE of Adak, Alaska · 533 days ago · 14 km deep · 49 km away
  27. 2.9116 km SW of Adak, Alaska · 533 days ago · 35 km deep · 69 km away
  28. 2.071 km SSE of Adak, Alaska · 533 days ago · 27 km deep · 88 km away
  29. 2.0124 km SSW of Adak, Alaska · 532 days ago · 15 km deep · 91 km away
  30. 1.6115 km WSW of Adak, Alaska · 532 days ago · 14 km deep · 67 km away
  31. 2.269 km WSW of Adak, Alaska · 532 days ago · 64 km deep · 21 km away
  32. 2.549 km S of Adak, Alaska · 532 days ago · 35 km deep · 55 km away
  33. 1.921 km SSW of Adak, Alaska · 531 days ago · 68 km deep · 37 km away
  34. 1.720 km W of Adak, Alaska · 531 days ago · 7 km deep · 33 km away
  35. 2.985 km SW of Adak, Alaska · 531 days ago · 35 km deep · 41 km away
  36. 1.857 km SW of Adak, Alaska · 531 days ago · 12 km deep · 15 km away
  37. 1.726 km NE of Adak, Alaska · 530 days ago · 7 km deep · 75 km away
  38. 2.069 km NW of Adak, Alaska · 530 days ago · 14 km deep · 76 km away
  39. 2.579 km SW of Adak, Alaska · 530 days ago · 33 km deep · 32 km away
  40. 2.550 km ENE of Adak, Alaska · 529 days ago · 135 km deep · 98 km away
  41. 1.950 km SW of Adak, Alaska · 529 days ago · 22 km deep · 6 km away
  42. 1.874 km SSW of Adak, Alaska · 529 days ago · 28 km deep · 44 km away
  43. 2.0125 km WSW of Adak, Alaska · 528 days ago · 8 km deep · 79 km away
  44. 1.737 km SSE of Adak, Alaska · 528 days ago · 39 km deep · 61 km away
  45. 1.7145 km WSW of Adak, Alaska · 528 days ago · 24 km deep · 97 km away
  46. 2.060 km ESE of Adak, Alaska · 528 days ago · 44 km deep · 94 km away
  47. 1.664 km SE of Adak, Alaska · 528 days ago · 24 km deep · 85 km away
  48. 1.874 km SSW of Adak, Alaska · 528 days ago · 24 km deep · 47 km away
  49. 2.137 km ESE of Adak, Alaska · 528 days ago · 66 km deep · 79 km away
  50. 1.858 km SSW of Adak, Alaska · 528 days ago · 35 km deep · 32 km away
  51. 1.8121 km W of Adak, Alaska · 528 days ago · 15 km deep · 78 km away
  52. 1.664 km WSW of Adak, Alaska · 527 days ago · 19 km deep · 16 km away
  53. 3.269 km SSW of Adak, Alaska · 527 days ago · 35 km deep · 38 km away
  54. 3.814 km SSE of Adak, Alaska · 527 days ago · 77 km deep · 48 km away
  55. 1.952 km SW of Adak, Alaska · 527 days ago · 46 km deep · 24 km away
  56. 2.049 km SSE of Adak, Alaska · 527 days ago · 44 km deep · 72 km away
  57. 2.147 km SW of Adak, Alaska · 527 days ago · 55 km deep · 23 km away
  58. 2.558 km WSW of Adak, Alaska · 527 days ago · 9 km deep · 14 km away
  59. 2.184 km WSW of Adak, Alaska · 527 days ago · 47 km deep · 36 km away
  60. 2.1125 km WSW of Adak, Alaska · 527 days ago · 19 km deep · 78 km away

The first 60 of at least 201.

Before

  1. 2.147 km S of Adak, Alaska · 537 days ago · 46 km deep · 49 km away
  2. 2.0100 km WSW of Adak, Alaska · 537 days ago · 14 km deep · 52 km away
  3. 2.553 km NNE of Adak, Alaska · 538 days ago · 154 km deep · 97 km away
  4. 2.0127 km WSW of Adak, Alaska · 538 days ago · 7 km deep · 80 km away
  5. 1.935 km S of Adak, Alaska · 538 days ago · 42 km deep · 42 km away
  6. 2.640 km ENE of Adak, Alaska · 538 days ago · 106 km deep · 88 km away
  7. 3.294 km SSE of Adak, Alaska · 538 days ago · 10 km deep · 100 km away
  8. 1.958 km SE of Adak, Alaska · 539 days ago · 25 km deep · 82 km away
  9. 1.968 km S of Adak, Alaska · 539 days ago · 36 km deep · 55 km away
  10. 3.363 km SE of Adak, Alaska · 539 days ago · 45 km deep · 96 km away
  11. 1.894 km SW of Adak, Alaska · 539 days ago · 22 km deep · 47 km away
  12. 1.993 km SSE of Adak, Alaska · 540 days ago · 13 km deep · 100 km away
  13. 2.947 km N of Adak, Alaska · 540 days ago · 162 km deep · 83 km away
  14. 1.643 km W of Adak, Alaska · 540 days ago · 80 km deep · 30 km away
  15. 1.591 km SW of Adak, Alaska · 540 days ago · 24 km deep · 47 km away
  16. 1.942 km SSE of Adak, Alaska · 541 days ago · 13 km deep · 55 km away
  17. 1.8105 km W of Adak, Alaska · 541 days ago · 13 km deep · 63 km away
  18. 3.8105 km WSW of Adak, Alaska · 541 days ago · 10 km deep · 61 km away
  19. 1.9146 km WSW of Adak, Alaska · 541 days ago · 22 km deep · 98 km away
  20. 1.729 km SSW of Adak, Alaska · 541 days ago · 70 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000pvyx (also filed as ak0254qnax6j). Read Fri, Oct 2, 2026, 9:44 PM UTC.