Alaska earthquakes

M3.3 earthquake 126 km WSW of Adak, Alaska

A magnitude 3.3 earthquake struck 126 km WSW of Adak, Alaska on Tue, Mar 4, 2025, 12:00 PM HAST (22:00 UTC), 26 km (16 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
3.3 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-03-04 22:00:20 UTC
Depth
25.7 km (16.0 mi), shallow
Epicenter
51.386° N, 178.286° 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
3.3ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.091 · 16 stations
3.0ML, 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 3.6 km horizontally, 11.4 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
200°, poorly surrounded by stations
Stations used
36

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 118 in the 30 days before it.

After

  1. 1.961 km SW of Adak, Alaska · 576 days ago · 22 km deep · 75 km away
  2. 1.749 km SW of Adak, Alaska · 576 days ago · 13 km deep · 81 km away
  3. 2.0110 km WSW of Adak, Alaska · 576 days ago · 13 km deep · 18 km away
  4. 2.1113 km SW of Adak, Alaska · 576 days ago · 21 km deep · 31 km away
  5. 2.864 km SSW of Adak, Alaska · 576 days ago · 35 km deep · 80 km away
  6. 1.852 km SW of Adak, Alaska · 576 days ago · 16 km deep · 80 km away
  7. 2.058 km SSW of Adak, Alaska · 576 days ago · 41 km deep · 87 km away
  8. 2.1108 km WSW of Adak, Alaska · 576 days ago · 13 km deep · 20 km away
  9. 2.3169 km W of Adak, Alaska · 576 days ago · 7 km deep · 67 km away
  10. 2.088 km SW of Adak, Alaska · 576 days ago · 17 km deep · 50 km away
  11. 2.680 km WSW of Adak, Alaska · 576 days ago · 44 km deep · 47 km away
  12. 2.2126 km WSW of Adak, Alaska · 576 days ago · 7 km deep · 15 km away
  13. 3.857 km SW of Adak, Alaska · 575 days ago · 44 km deep · 77 km away · felt by 1
  14. 2.755 km SW of Adak, Alaska · 575 days ago · 47 km deep · 79 km away
  15. 2.967 km SW of Adak, Alaska · 574 days ago · 52 km deep · 61 km away
  16. 2.674 km SW of Adak, Alaska · 574 days ago · 35 km deep · 63 km away
  17. 3.4220 km WSW of Adak, Alaska · 574 days ago · 65 km deep · 100 km away
  18. 3.0174 km W of Adak, Alaska · 573 days ago · 10 km deep · 72 km away
  19. 2.2107 km W of Adak, Alaska · 573 days ago · 11 km deep · 56 km away
  20. 3.294 km WSW of Adak, Alaska · 573 days ago · 15 km deep · 33 km away
  21. 2.975 km SW of Adak, Alaska · 573 days ago · 35 km deep · 56 km away
  22. 2.7101 km WSW of Adak, Alaska · 572 days ago · 35 km deep · 26 km away
  23. 2.378 km SW of Adak, Alaska · 571 days ago · 28 km deep · 50 km away
  24. 1.853 km SW of Adak, Alaska · 570 days ago · 26 km deep · 76 km away
  25. 1.655 km WSW of Adak, Alaska · 570 days ago · 3 km deep · 73 km away
  26. 2.047 km SSW of Adak, Alaska · 569 days ago · 44 km deep · 94 km away
  27. 3.878 km SW of Adak, Alaska · 569 days ago · 41 km deep · 56 km away
  28. 2.6207 km WSW of Adak, Alaska · 569 days ago · 72 km deep · 92 km away
  29. 2.2180 km WSW of Adak, Alaska · 568 days ago · 20 km deep · 54 km away
  30. 1.975 km WSW of Adak, Alaska · 568 days ago · 39 km deep · 51 km away
  31. 2.1145 km WSW of Adak, Alaska · 567 days ago · 15 km deep · 24 km away
  32. 2.0144 km WSW of Adak, Alaska · 567 days ago · 22 km deep · 22 km away
  33. 1.9138 km WSW of Adak, Alaska · 567 days ago · 24 km deep · 12 km away
  34. 2.276 km SW of Adak, Alaska · 566 days ago · 37 km deep · 58 km away
  35. 2.3116 km WSW of Adak, Alaska · 566 days ago · 48 km deep · 10 km away
  36. 3.499 km SW of Adak, Alaska · 566 days ago · 35 km deep · 54 km away
  37. 2.8100 km SW of Adak, Alaska · 566 days ago · 35 km deep · 41 km away
  38. 1.8135 km WSW of Adak, Alaska · 566 days ago · 24 km deep · 9 km away
  39. 1.846 km W of Adak, Alaska · 566 days ago · 12 km deep · 85 km away
  40. 2.187 km WSW of Adak, Alaska · 566 days ago · 33 km deep · 41 km away
  41. 3.4123 km WSW of Adak, Alaska · 565 days ago · 16 km deep · 7 km away
  42. 2.2146 km WSW of Adak, Alaska · 565 days ago · 15 km deep · 24 km away
  43. 1.9131 km WSW of Adak, Alaska · 564 days ago · 26 km deep · 9 km away
  44. 2.0148 km WSW of Adak, Alaska · 564 days ago · 25 km deep · 23 km away
  45. 2.2134 km SW of Adak, Alaska · 564 days ago · 17 km deep · 33 km away
  46. 2.1178 km W of Adak, Alaska · 564 days ago · 65 km deep · 67 km away
  47. 2.6139 km SW of Adak, Alaska · 563 days ago · 26 km deep · 27 km away
  48. 3.0186 km WSW of Adak, Alaska · 563 days ago · 10 km deep · 64 km away
  49. 2.6116 km WSW of Adak, Alaska · 563 days ago · 62 km deep · 10 km away
  50. 1.9131 km W of Adak, Alaska · 563 days ago · 16 km deep · 46 km away
  51. 1.978 km SW of Adak, Alaska · 563 days ago · 37 km deep · 51 km away
  52. 2.063 km SW of Adak, Alaska · 563 days ago · 55 km deep · 69 km away
  53. 3.9157 km WSW of Adak, Alaska · 562 days ago · 7 km deep · 31 km away
  54. 3.3177 km W of Adak, Alaska · 562 days ago · 95 km deep · 73 km away
  55. 2.9141 km W of Adak, Alaska · 561 days ago · 82 km deep · 47 km away
  56. 1.582 km W of Adak, Alaska · 560 days ago · 5 km deep · 62 km away
  57. 2.9162 km WSW of Adak, Alaska · 560 days ago · 31 km deep · 37 km away
  58. 2.680 km SW of Adak, Alaska · 560 days ago · 58 km deep · 55 km away
  59. 2.640 km SW of Adak, Alaska · 560 days ago · 71 km deep · 91 km away
  60. 2.2137 km SW of Adak, Alaska · 559 days ago · 20 km deep · 33 km away

The first 60 of at least 201.

Before

  1. 2.6172 km W of Adak, Alaska · 577 days ago · 17 km deep · 70 km away
  2. 2.3136 km SW of Adak, Alaska · 577 days ago · 35 km deep · 34 km away
  3. 1.778 km SW of Adak, Alaska · 578 days ago · 45 km deep · 61 km away
  4. 1.679 km SW of Adak, Alaska · 578 days ago · 39 km deep · 60 km away
  5. 1.6118 km WSW of Adak, Alaska · 579 days ago · 18 km deep · 9 km away
  6. 1.761 km SW of Adak, Alaska · 579 days ago · 31 km deep · 72 km away
  7. 2.0122 km WSW of Adak, Alaska · 579 days ago · 75 km deep · 27 km away
  8. 2.0124 km W of Adak, Alaska · 579 days ago · 100 km deep · 62 km away
  9. 1.870 km SW of Adak, Alaska · 579 days ago · 58 km deep · 59 km away
  10. 2.9118 km WSW of Adak, Alaska · 580 days ago · 50 km deep · 16 km away
  11. 1.683 km WSW of Adak, Alaska · 580 days ago · 36 km deep · 45 km away
  12. 2.0144 km WSW of Adak, Alaska · 580 days ago · 25 km deep · 22 km away
  13. 1.9180 km WSW of Adak, Alaska · 580 days ago · 21 km deep · 59 km away
  14. 1.9128 km WSW of Adak, Alaska · 580 days ago · 25 km deep · 9 km away
  15. 1.766 km SSW of Adak, Alaska · 581 days ago · 26 km deep · 93 km away
  16. 2.794 km WSW of Adak, Alaska · 581 days ago · 42 km deep · 32 km away
  17. 2.1126 km WSW of Adak, Alaska · 581 days ago · 39 km deep · 2 km away
  18. 2.2139 km SW of Adak, Alaska · 581 days ago · 22 km deep · 31 km away
  19. 1.7102 km WSW of Adak, Alaska · 581 days ago · 7 km deep · 30 km away
  20. 1.9154 km WSW of Adak, Alaska · 581 days ago · 15 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000q44f (also filed as ak0252wjyfz7). Read Fri, Oct 2, 2026, 1:55 PM UTC.