Alaska earthquakes

M3.5 earthquake 64 km SE of Adak, Alaska

A magnitude 3.5 earthquake struck 64 km SE of Adak, Alaska on Thu, Jan 9, 2025, 12:28 PM HAST (22:28 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.0 53 km NE 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
3.5 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-01-09 22:28:43 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.402° N, 176.100° 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
3.5ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.085 · 18 stations
2.9ML, 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
±0.09
Depth from
Operator assigned
Station coverage gap
221°, poorly surrounded by stations
Stations used
19

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 127 in the 30 days before it.

After

  1. 2.671 km SE of Adak, Alaska · 630 days ago · 35 km deep · 7 km away
  2. 2.679 km SE of Adak, Alaska · 630 days ago · 35 km deep · 15 km away
  3. 3.226 km NNE of Adak, Alaska · 630 days ago · 140 km deep · 84 km away
  4. 2.865 km SW of Atka, Alaska · 630 days ago · 57 km deep · 97 km away
  5. 2.243 km W of Adak, Alaska · 630 days ago · 73 km deep · 92 km away
  6. 1.876 km ESE of Adak, Alaska · 629 days ago · 22 km deep · 30 km away
  7. 2.166 km SW of Atka, Alaska · 628 days ago · 25 km deep · 92 km away
  8. 2.390 km SSE of Adak, Alaska · 628 days ago · 14 km deep · 33 km away
  9. 1.871 km SW of Adak, Alaska · 627 days ago · 31 km deep · 92 km away
  10. 1.951 km SSE of Adak, Alaska · 627 days ago · 17 km deep · 13 km away
  11. 2.682 km SE of Adak, Alaska · 627 days ago · 35 km deep · 27 km away
  12. 2.145 km W of Adak, Alaska · 627 days ago · 79 km deep · 95 km away
  13. 2.580 km SW of Adak, Alaska · 627 days ago · 52 km deep · 99 km away
  14. 2.030 km SW of Adak, Alaska · 627 days ago · 67 km deep · 69 km away
  15. 2.250 km SSW of Adak, Alaska · 626 days ago · 40 km deep · 64 km away
  16. 2.147 km SSW of Adak, Alaska · 626 days ago · 26 km deep · 64 km away
  17. 2.675 km SE of Adak, Alaska · 626 days ago · 35 km deep · 14 km away
  18. 2.174 km SE of Adak, Alaska · 626 days ago · 32 km deep · 15 km away
  19. 1.759 km SE of Adak, Alaska · 625 days ago · 19 km deep · 7 km away
  20. 2.241 km ENE of Adak, Alaska · 625 days ago · 103 km deep · 75 km away
  21. 1.66 km NNE of Adak, Alaska · 625 days ago · 1 km deep · 67 km away
  22. 2.078 km ESE of Adak, Alaska · 625 days ago · 16 km deep · 33 km away
  23. 2.033 km SE of Adak, Alaska · 625 days ago · 58 km deep · 35 km away
  24. 1.96 km NE of Adak, Alaska · 624 days ago · 7 km deep · 66 km away
  25. 1.949 km SSE of Adak, Alaska · 623 days ago · 3 km deep · 16 km away
  26. 1.977 km SE of Adak, Alaska · 623 days ago · 24 km deep · 26 km away
  27. 1.840 km SSE of Adak, Alaska · 623 days ago · 33 km deep · 26 km away
  28. 1.852 km SW of Adak, Alaska · 623 days ago · 34 km deep · 68 km away
  29. 1.949 km SSW of Adak, Alaska · 623 days ago · 49 km deep · 62 km away
  30. 1.924 km SW of Adak, Alaska · 623 days ago · 13 km deep · 62 km away
  31. 2.370 km ENE of Adak, Alaska · 622 days ago · 161 km deep · 82 km away
  32. 2.0102 km SSW of Adak, Alaska · 622 days ago · 20 km deep · 79 km away
  33. 2.373 km ENE of Adak, Alaska · 622 days ago · 175 km deep · 93 km away
  34. 1.830 km W of Adak, Alaska · 622 days ago · 81 km deep · 83 km away
  35. 2.8108 km SSW of Adak, Alaska · 622 days ago · 10 km deep · 87 km away
  36. 1.975 km SE of Adak, Alaska · 622 days ago · 7 km deep · 26 km away
  37. 2.2111 km SSW of Adak, Alaska · 622 days ago · 18 km deep · 91 km away
  38. 2.1103 km ESE of Adak, Alaska · 622 days ago · 26 km deep · 55 km away
  39. 2.8112 km SSW of Adak, Alaska · 621 days ago · 24 km deep · 86 km away
  40. 2.075 km SSE of Adak, Alaska · 621 days ago · 21 km deep · 12 km away
  41. 2.069 km SSE of Adak, Alaska · 621 days ago · 26 km deep · 8 km away
  42. 1.766 km SW of Atka, Alaska · 621 days ago · 23 km deep · 95 km away
  43. 1.970 km SSE of Adak, Alaska · 621 days ago · 22 km deep · 7 km away
  44. 2.666 km SSW of Adak, Alaska · 621 days ago · 35 km deep · 65 km away
  45. 2.971 km ESE of Adak, Alaska · 621 days ago · 35 km deep · 32 km away
  46. 1.954 km SW of Adak, Alaska · 620 days ago · 62 km deep · 84 km away
  47. 1.862 km SE of Adak, Alaska · 620 days ago · 23 km deep · 3 km away
  48. 2.367 km WSW of Atka, Alaska · 619 days ago · 56 km deep · 95 km away
  49. 1.857 km ENE of Adak, Alaska · 618 days ago · 5 km deep · 71 km away
  50. 1.857 km WSW of Adak, Alaska · 618 days ago · 12 km deep · 98 km away
  51. 2.648 km SSW of Adak, Alaska · 618 days ago · 45 km deep · 63 km away
  52. 4.951 km S of Adak, Alaska · 618 days ago · 45 km deep · 34 km away
  53. 3.684 km S of Adak, Alaska · 618 days ago · 35 km deep · 41 km away
  54. 4.067 km S of Adak, Alaska · 618 days ago · 35 km deep · 34 km away
  55. 2.149 km S of Adak, Alaska · 615 days ago · 43 km deep · 28 km away
  56. 2.763 km SSE of Adak, Alaska · 615 days ago · 35 km deep · 3 km away
  57. 2.953 km SE of Adak, Alaska · 615 days ago · 35 km deep · 11 km away
  58. 2.047 km SE of Adak, Alaska · 615 days ago · 25 km deep · 18 km away
  59. 2.049 km SE of Adak, Alaska · 615 days ago · 32 km deep · 15 km away
  60. 2.044 km W of Adak, Alaska · 614 days ago · 67 km deep · 92 km away

The first 60 of at least 199.

Before

  1. 2.877 km SSW of Adak, Alaska · 630 days ago · 35 km deep · 65 km away
  2. 3.245 km SW of Adak, Alaska · 630 days ago · 52 km deep · 71 km away
  3. 2.948 km SW of Adak, Alaska · 630 days ago · 49 km deep · 72 km away
  4. 2.551 km SSE of Adak, Alaska · 631 days ago · 36 km deep · 18 km away
  5. 2.866 km E of Adak, Alaska · 631 days ago · 159 km deep · 62 km away
  6. 2.866 km SSW of Adak, Alaska · 631 days ago · 35 km deep · 69 km away
  7. 2.175 km SW of Adak, Alaska · 631 days ago · 51 km deep · 91 km away
  8. 2.168 km SSW of Adak, Alaska · 632 days ago · 35 km deep · 70 km away
  9. 2.583 km SW of Adak, Alaska · 633 days ago · 49 km deep · 98 km away
  10. 2.3106 km SSW of Adak, Alaska · 634 days ago · 14 km deep · 86 km away
  11. 2.3117 km SSW of Adak, Alaska · 634 days ago · 18 km deep · 92 km away
  12. 2.3109 km SSW of Adak, Alaska · 634 days ago · 15 km deep · 88 km away
  13. 1.964 km SE of Adak, Alaska · 634 days ago · 26 km deep · 5 km away
  14. 2.179 km SE of Adak, Alaska · 634 days ago · 19 km deep · 28 km away
  15. 2.987 km SE of Adak, Alaska · 634 days ago · 35 km deep · 35 km away
  16. 2.426 km SSE of Adak, Alaska · 634 days ago · 64 km deep · 38 km away
  17. 3.082 km SW of Adak, Alaska · 634 days ago · 35 km deep · 97 km away
  18. 2.048 km SW of Adak, Alaska · 635 days ago · 41 km deep · 66 km away
  19. 2.123 km S of Adak, Alaska · 635 days ago · 59 km deep · 45 km away
  20. 1.656 km WSW of Adak, Alaska · 635 days ago · 14 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000pbc1 (also filed as ak025f93qzx). Read Fri, Oct 2, 2026, 3:20 AM UTC.