Alaska earthquakes

M1.6 earthquake 105 km W of Adak, Alaska

A magnitude 1.6 earthquake struck 105 km W of Adak, Alaska on Tue, Feb 4, 2025, 11:03 PM HAST (09:03 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.0 169 km WNW 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
1.6 (ML, local (Richter)), micro
Magnitude from
AV
Local time
UTC
2025-02-05 09:03:23 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
51.861° N, 178.163° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

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 1.0 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
259°, poorly surrounded by stations
Stations used
6

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 97 in the 30 days before it.

After

  1. 2.0125 km SW of Adak, Alaska · 606 days ago · 13 km deep · 71 km away
  2. 1.9140 km W of Adak, Alaska · 603 days ago · 11 km deep · 39 km away
  3. 2.679 km SW of Adak, Alaska · 603 days ago · 8 km deep · 63 km away
  4. 2.5154 km SW of Adak, Alaska · 603 days ago · 10 km deep · 99 km away
  5. 2.071 km SSW of Adak, Alaska · 603 days ago · 36 km deep · 92 km away
  6. 1.935 km SSW of Adak, Alaska · 601 days ago · 24 km deep · 96 km away
  7. 2.3148 km WSW of Adak, Alaska · 600 days ago · 23 km deep · 77 km away
  8. 2.0102 km WSW of Adak, Alaska · 600 days ago · 32 km deep · 46 km away
  9. 2.0132 km WSW of Adak, Alaska · 600 days ago · 10 km deep · 61 km away
  10. 2.1105 km WSW of Adak, Alaska · 600 days ago · 25 km deep · 50 km away
  11. 2.0107 km WSW of Adak, Alaska · 600 days ago · 32 km deep · 45 km away
  12. 1.885 km WSW of Adak, Alaska · 600 days ago · 16 km deep · 50 km away
  13. 2.0106 km SW of Adak, Alaska · 600 days ago · 43 km deep · 59 km away
  14. 2.172 km SSW of Adak, Alaska · 599 days ago · 36 km deep · 97 km away
  15. 1.9103 km WSW of Adak, Alaska · 599 days ago · 31 km deep · 43 km away
  16. 2.191 km SW of Adak, Alaska · 599 days ago · 30 km deep · 57 km away
  17. 1.864 km W of Adak, Alaska · 599 days ago · 85 km deep · 43 km away
  18. 1.9103 km WSW of Adak, Alaska · 598 days ago · 70 km deep · 29 km away
  19. 1.9194 km WSW of Adak, Alaska · 598 days ago · 52 km deep · 93 km away
  20. 1.7151 km WSW of Adak, Alaska · 598 days ago · 23 km deep · 69 km away
  21. 1.755 km SSW of Adak, Alaska · 597 days ago · 42 km deep · 88 km away
  22. 1.9134 km SW of Adak, Alaska · 597 days ago · 22 km deep · 74 km away
  23. 1.783 km W of Adak, Alaska · 597 days ago · 5 km deep · 22 km away
  24. 1.9127 km WSW of Adak, Alaska · 597 days ago · 41 km deep · 59 km away
  25. 1.7141 km WSW of Adak, Alaska · 597 days ago · 18 km deep · 48 km away
  26. 1.558 km SW of Adak, Alaska · 597 days ago · 33 km deep · 77 km away
  27. 1.8124 km WSW of Adak, Alaska · 597 days ago · 32 km deep · 57 km away
  28. 1.869 km W of Adak, Alaska · 597 days ago · 13 km deep · 36 km away
  29. 4.0169 km WNW of Adak, Alaska · 597 days ago · 247 km deep · 76 km away
  30. 2.0129 km WSW of Adak, Alaska · 596 days ago · 13 km deep · 34 km away
  31. 2.773 km SSW of Adak, Alaska · 596 days ago · 35 km deep · 97 km away
  32. 2.672 km SSW of Adak, Alaska · 596 days ago · 35 km deep · 95 km away
  33. 1.950 km SSW of Adak, Alaska · 596 days ago · 44 km deep · 95 km away
  34. 2.5117 km WSW of Adak, Alaska · 596 days ago · 36 km deep · 49 km away
  35. 2.1139 km WSW of Adak, Alaska · 595 days ago · 24 km deep · 67 km away
  36. 1.851 km SW of Adak, Alaska · 595 days ago · 41 km deep · 85 km away
  37. 1.968 km SW of Adak, Alaska · 595 days ago · 45 km deep · 62 km away
  38. 2.0133 km WSW of Adak, Alaska · 595 days ago · 33 km deep · 61 km away
  39. 1.6100 km WNW of Adak, Alaska · 595 days ago · 20 km deep · 35 km away
  40. 2.3173 km WSW of Adak, Alaska · 595 days ago · 30 km deep · 89 km away
  41. 1.8104 km SW of Adak, Alaska · 594 days ago · 16 km deep · 61 km away
  42. 1.9132 km W of Adak, Alaska · 593 days ago · 20 km deep · 30 km away
  43. 2.6117 km WSW of Adak, Alaska · 592 days ago · 34 km deep · 50 km away
  44. 3.1Andreanof Islands, Aleutian Islands, Alaska · 592 days ago · 24 km deep · 51 km away
  45. 2.0141 km WSW of Adak, Alaska · 592 days ago · 36 km deep · 62 km away
  46. 1.923 km SW of Adak, Alaska · 591 days ago · 65 km deep · 92 km away
  47. 1.9132 km W of Adak, Alaska · 591 days ago · 12 km deep · 33 km away
  48. 1.8132 km WSW of Adak, Alaska · 591 days ago · 24 km deep · 66 km away
  49. 2.157 km WSW of Adak, Alaska · 590 days ago · 8 km deep · 50 km away
  50. 3.1146 km WSW of Adak, Alaska · 590 days ago · 35 km deep · 76 km away
  51. 3.3120 km WSW of Adak, Alaska · 590 days ago · 35 km deep · 60 km away
  52. 1.7108 km WSW of Adak, Alaska · 590 days ago · 14 km deep · 40 km away
  53. 2.065 km SW of Adak, Alaska · 590 days ago · 49 km deep · 83 km away
  54. 2.562 km W of Adak, Alaska · 590 days ago · 116 km deep · 45 km away
  55. 1.8113 km SW of Adak, Alaska · 590 days ago · 27 km deep · 72 km away
  56. 2.0150 km WSW of Adak, Alaska · 590 days ago · 12 km deep · 61 km away
  57. 2.2147 km WSW of Adak, Alaska · 590 days ago · 25 km deep · 64 km away
  58. 2.566 km SSW of Adak, Alaska · 589 days ago · 50 km deep · 95 km away
  59. 2.7146 km WSW of Adak, Alaska · 589 days ago · 64 km deep · 57 km away
  60. 1.784 km SW of Adak, Alaska · 589 days ago · 34 km deep · 58 km away

The first 60 of at least 199.

Before

  1. 2.674 km SW of Adak, Alaska · 607 days ago · 52 km deep · 64 km away
  2. 1.761 km SSW of Adak, Alaska · 607 days ago · 39 km deep · 91 km away
  3. 3.7184 km WNW of Adak, Alaska · 607 days ago · 220 km deep · 89 km away
  4. 2.0139 km WSW of Adak, Alaska · 607 days ago · 33 km deep · 70 km away
  5. 2.683 km WSW of Adak, Alaska · 607 days ago · 35 km deep · 55 km away
  6. 1.748 km SW of Adak, Alaska · 607 days ago · 40 km deep · 80 km away
  7. 1.9123 km WSW of Adak, Alaska · 608 days ago · 13 km deep · 48 km away
  8. 2.1126 km SW of Adak, Alaska · 608 days ago · 12 km deep · 80 km away
  9. 2.079 km SW of Adak, Alaska · 608 days ago · 43 km deep · 60 km away
  10. 2.6142 km WSW of Adak, Alaska · 608 days ago · 49 km deep · 68 km away
  11. 1.954 km SW of Adak, Alaska · 608 days ago · 48 km deep · 70 km away
  12. 2.3143 km WSW of Adak, Alaska · 609 days ago · 12 km deep · 55 km away
  13. 3.0166 km W of Adak, Alaska · 609 days ago · 193 km deep · 65 km away
  14. 2.2133 km WSW of Adak, Alaska · 609 days ago · 45 km deep · 69 km away
  15. 2.158 km SSW of Adak, Alaska · 610 days ago · 44 km deep · 91 km away
  16. 2.399 km W of Adak, Alaska · 610 days ago · 80 km deep · 6 km away
  17. 1.981 km WSW of Adak, Alaska · 610 days ago · 30 km deep · 46 km away
  18. 2.9146 km WSW of Adak, Alaska · 611 days ago · 35 km deep · 76 km away
  19. 2.8131 km WSW of Adak, Alaska · 612 days ago · 10 km deep · 48 km away
  20. 1.849 km SW of Adak, Alaska · 612 days ago · 25 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av93032019. Read Sun, Oct 4, 2026, 7:49 PM UTC.