Alaska earthquakes

M1.6 earthquake 40 km E of Adak, Alaska

A magnitude 1.6 earthquake struck 40 km E of Adak, Alaska on Wed, Feb 26, 2025, 12:47 AM HAST (10:47 UTC), 74 km (46 mi) below the surface.

A larger quake followed: M6.2 88 km SSE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-02-26 10:47:57 UTC
Depth
74.2 km (46.1 mi), intermediate-depth
Epicenter
51.847° N, 176.052° 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.

Stations used
25

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and 104 in the 30 days before it.

After

  1. 1.679 km SSW of Atka, Alaska · 583 days ago · 18 km deep · 89 km away
  2. 1.760 km SE of Adak, Alaska · 583 days ago · 24 km deep · 44 km away
  3. 1.665 km SSW of Adak, Alaska · 583 days ago · 39 km deep · 81 km away
  4. 1.683 km SW of Atka, Alaska · 582 days ago · 25 km deep · 69 km away
  5. 1.6101 km ESE of Adak, Alaska · 582 days ago · 26 km deep · 65 km away
  6. 1.784 km WSW of Atka, Alaska · 582 days ago · 97 km deep · 49 km away
  7. 2.164 km NE of Adak, Alaska · 582 days ago · 159 km deep · 56 km away
  8. 2.047 km W of Adak, Alaska · 582 days ago · 82 km deep · 87 km away
  9. 1.678 km SE of Adak, Alaska · 582 days ago · 26 km deep · 52 km away
  10. 1.662 km SSE of Adak, Alaska · 582 days ago · 23 km deep · 52 km away
  11. 1.875 km SW of Atka, Alaska · 582 days ago · 35 km deep · 77 km away
  12. 2.271 km NE of Adak, Alaska · 582 days ago · 186 km deep · 55 km away
  13. 1.562 km SSE of Adak, Alaska · 582 days ago · 17 km deep · 50 km away
  14. 1.960 km SE of Adak, Alaska · 582 days ago · 43 km deep · 33 km away
  15. 5.053 km NE of Adak, Alaska · 581 days ago · 133 km deep · 47 km away · felt by 2
  16. 4.142 km SE of Adak, Alaska · 581 days ago · 55 km deep · 25 km away · felt by 2
  17. 1.855 km SSW of Atka, Alaska · 581 days ago · 24 km deep · 98 km away
  18. 1.655 km SSE of Adak, Alaska · 581 days ago · 25 km deep · 53 km away
  19. 1.778 km E of Adak, Alaska · 581 days ago · 74 km deep · 41 km away
  20. 1.785 km ESE of Adak, Alaska · 581 days ago · 38 km deep · 47 km away
  21. 1.852 km SE of Adak, Alaska · 580 days ago · 31 km deep · 39 km away
  22. 1.766 km SSW of Adak, Alaska · 580 days ago · 26 km deep · 86 km away
  23. 3.648 km SSE of Adak, Alaska · 580 days ago · 34 km deep · 46 km away
  24. 1.738 km ESE of Adak, Alaska · 580 days ago · 18 km deep · 8 km away
  25. 1.722 km SW of Adak, Alaska · 580 days ago · 65 km deep · 58 km away
  26. 1.620 km N of Adak, Alaska · 580 days ago · 19 km deep · 48 km away
  27. 1.667 km ESE of Adak, Alaska · 579 days ago · 25 km deep · 36 km away
  28. 1.751 km S of Adak, Alaska · 579 days ago · 26 km deep · 58 km away
  29. 2.040 km NE of Adak, Alaska · 579 days ago · 3 km deep · 40 km away
  30. 1.972 km SSE of Adak, Alaska · 579 days ago · 17 km deep · 69 km away
  31. 1.875 km SSE of Adak, Alaska · 579 days ago · 22 km deep · 72 km away
  32. 1.863 km SSE of Adak, Alaska · 578 days ago · 26 km deep · 53 km away
  33. 1.761 km SW of Adak, Alaska · 578 days ago · 31 km deep · 93 km away
  34. 1.839 km WSW of Atka, Alaska · 578 days ago · 13 km deep · 93 km away
  35. 1.672 km ESE of Adak, Alaska · 578 days ago · 27 km deep · 39 km away
  36. 1.786 km ESE of Adak, Alaska · 578 days ago · 36 km deep · 49 km away
  37. 2.168 km SW of Atka, Alaska · 578 days ago · 40 km deep · 73 km away
  38. 2.796 km SE of Adak, Alaska · 578 days ago · 35 km deep · 64 km away
  39. 1.954 km S of Adak, Alaska · 578 days ago · 26 km deep · 60 km away
  40. 3.077 km ENE of Adak, Alaska · 577 days ago · 89 km deep · 46 km away
  41. 2.01 km W of Adak, Alaska · 577 days ago · 1 km deep · 41 km away
  42. 2.720 km SW of Adak, Alaska · 577 days ago · 76 km deep · 57 km away
  43. 2.24 km NNW of Adak, Alaska · 577 days ago · 12 km deep · 42 km away
  44. 1.95 km N of Adak, Alaska · 577 days ago · 12 km deep · 40 km away
  45. 1.84 km NNW of Adak, Alaska · 577 days ago · 7 km deep · 41 km away
  46. 1.80 km W of Adak, Alaska · 577 days ago · 1 km deep · 41 km away
  47. 1.92 km NNW of Adak, Alaska · 577 days ago · 8 km deep · 41 km away
  48. 1.70 km WNW of Adak, Alaska · 577 days ago · 1 km deep · 41 km away
  49. 2.05 km NNW of Adak, Alaska · 577 days ago · 13 km deep · 42 km away
  50. 1.71 km NNW of Adak, Alaska · 577 days ago · 7 km deep · 41 km away
  51. 1.72 km N of Adak, Alaska · 577 days ago · 13 km deep · 41 km away
  52. 1.70 km W of Adak, Alaska · 577 days ago · 1 km deep · 41 km away
  53. 2.163 km SW of Atka, Alaska · 577 days ago · 51 km deep · 82 km away
  54. 1.52 km NW of Adak, Alaska · 576 days ago · 12 km deep · 42 km away
  55. 3.033 km NE of Adak, Alaska · 576 days ago · 111 km deep · 32 km away
  56. 1.61 km WNW of Adak, Alaska · 576 days ago · 7 km deep · 41 km away
  57. 1.63 km N of Adak, Alaska · 576 days ago · 8 km deep · 41 km away
  58. 1.53 km NNE of Adak, Alaska · 576 days ago · 7 km deep · 39 km away
  59. 1.933 km SSE of Adak, Alaska · 576 days ago · 40 km deep · 36 km away
  60. 1.961 km SW of Adak, Alaska · 576 days ago · 22 km deep · 91 km away

The first 60 of at least 202.

Before

  1. 1.675 km SW of Atka, Alaska · 583 days ago · 20 km deep · 88 km away
  2. 1.757 km SE of Adak, Alaska · 583 days ago · 26 km deep · 45 km away
  3. 1.864 km SSW of Adak, Alaska · 583 days ago · 44 km deep · 88 km away
  4. 1.761 km SSW of Adak, Alaska · 583 days ago · 47 km deep · 89 km away
  5. 1.642 km SE of Adak, Alaska · 583 days ago · 18 km deep · 32 km away
  6. 2.057 km SSW of Adak, Alaska · 584 days ago · 40 km deep · 84 km away
  7. 1.582 km ENE of Adak, Alaska · 584 days ago · 9 km deep · 47 km away
  8. 1.952 km S of Adak, Alaska · 585 days ago · 31 km deep · 64 km away
  9. 1.851 km SSE of Adak, Alaska · 585 days ago · 30 km deep · 45 km away
  10. 2.192 km SSE of Adak, Alaska · 585 days ago · 18 km deep · 76 km away
  11. 1.993 km NE of Adak, Alaska · 585 days ago · 61 km deep · 70 km away
  12. 1.667 km SE of Adak, Alaska · 585 days ago · 26 km deep · 47 km away
  13. 1.923 km NE of Adak, Alaska · 585 days ago · 95 km deep · 28 km away
  14. 1.762 km SE of Adak, Alaska · 586 days ago · 18 km deep · 42 km away
  15. 1.955 km W of Adak, Alaska · 586 days ago · 87 km deep · 95 km away
  16. 1.935 km SSE of Adak, Alaska · 586 days ago · 46 km deep · 35 km away
  17. 1.760 km SSE of Adak, Alaska · 586 days ago · 5 km deep · 58 km away
  18. 3.278 km ESE of Adak, Alaska · 586 days ago · 33 km deep · 44 km away
  19. 2.346 km WNW of Adak, Alaska · 586 days ago · 111 km deep · 85 km away
  20. 1.749 km SE of Adak, Alaska · 587 days ago · 34 km deep · 38 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0252mfvb9u. Read Fri, Oct 2, 2026, 6:30 AM UTC.