Alaska earthquakes

M1.9 earthquake 42 km SSW of Adak, Alaska

A magnitude 1.9 earthquake struck 42 km SSW of Adak, Alaska on Fri, Sep 20, 2024, 5:22 PM HADT (02:22 UTC), 54 km (33 mi) below the surface.

A larger quake followed: M5.8 82 km ESE 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
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2024-09-21 02:22:26 UTC
Depth
53.9 km (33.5 mi), shallow
Epicenter
51.507° N, 176.805° 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
20

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 123 in the 30 days before it.

After

  1. 2.297 km SSE of Adak, Alaska · 741 days ago · 14 km deep · 65 km away
  2. 2.753 km SSE of Adak, Alaska · 740 days ago · 35 km deep · 41 km away
  3. 1.843 km SSE of Adak, Alaska · 740 days ago · 34 km deep · 31 km away
  4. 2.5117 km SW of Adak, Alaska · 740 days ago · 35 km deep · 85 km away
  5. 2.582 km SW of Adak, Alaska · 739 days ago · 54 km deep · 54 km away
  6. 2.361 km E of Adak, Alaska · 739 days ago · 69 km deep · 85 km away
  7. 2.194 km WSW of Adak, Alaska · 738 days ago · 59 km deep · 75 km away
  8. 1.750 km SW of Adak, Alaska · 738 days ago · 36 km deep · 17 km away
  9. 1.794 km SW of Adak, Alaska · 738 days ago · 25 km deep · 68 km away
  10. 1.680 km SE of Adak, Alaska · 738 days ago · 12 km deep · 75 km away
  11. 2.769 km E of Adak, Alaska · 738 days ago · 95 km deep · 96 km away
  12. 1.777 km SSE of Adak, Alaska · 738 days ago · 23 km deep · 50 km away
  13. 2.264 km ENE of Adak, Alaska · 737 days ago · 235 km deep · 94 km away
  14. 1.997 km SSE of Adak, Alaska · 737 days ago · 14 km deep · 65 km away
  15. 2.199 km SSE of Adak, Alaska · 737 days ago · 13 km deep · 66 km away
  16. 2.521 km WNW of Adak, Alaska · 737 days ago · 81 km deep · 49 km away
  17. 1.672 km SSW of Adak, Alaska · 736 days ago · 26 km deep · 31 km away
  18. 1.873 km SE of Adak, Alaska · 736 days ago · 25 km deep · 66 km away
  19. 2.191 km WSW of Adak, Alaska · 736 days ago · 13 km deep · 69 km away
  20. 2.057 km SSE of Adak, Alaska · 736 days ago · 37 km deep · 37 km away
  21. 1.856 km SSW of Adak, Alaska · 736 days ago · 26 km deep · 18 km away
  22. 1.752 km SW of Adak, Alaska · 736 days ago · 39 km deep · 19 km away
  23. 2.6113 km SSE of Adak, Alaska · 736 days ago · 10 km deep · 83 km away
  24. 1.992 km SW of Adak, Alaska · 736 days ago · 23 km deep · 56 km away
  25. 2.072 km SSW of Adak, Alaska · 736 days ago · 21 km deep · 30 km away
  26. 3.360 km SSE of Adak, Alaska · 735 days ago · 33 km deep · 42 km away
  27. 1.867 km S of Adak, Alaska · 735 days ago · 23 km deep · 31 km away
  28. 3.0106 km SSE of Adak, Alaska · 735 days ago · 16 km deep · 73 km away
  29. 2.166 km SSW of Adak, Alaska · 734 days ago · 36 km deep · 26 km away
  30. 2.063 km SSE of Adak, Alaska · 734 days ago · 23 km deep · 40 km away
  31. 2.041 km W of Adak, Alaska · 734 days ago · 86 km deep · 54 km away
  32. 2.0103 km SSE of Adak, Alaska · 734 days ago · 13 km deep · 73 km away
  33. 3.294 km SSE of Adak, Alaska · 734 days ago · 10 km deep · 63 km away
  34. 2.033 km SSW of Adak, Alaska · 734 days ago · 42 km deep · 9 km away
  35. 2.098 km SSE of Adak, Alaska · 734 days ago · 14 km deep · 65 km away
  36. 2.3107 km SSE of Adak, Alaska · 734 days ago · 25 km deep · 74 km away
  37. 1.741 km SSE of Adak, Alaska · 734 days ago · 31 km deep · 32 km away
  38. 1.998 km SW of Adak, Alaska · 733 days ago · 29 km deep · 61 km away
  39. 1.998 km SW of Adak, Alaska · 733 days ago · 26 km deep · 60 km away
  40. 1.834 km S of Adak, Alaska · 733 days ago · 40 km deep · 11 km away
  41. 1.995 km SSE of Adak, Alaska · 733 days ago · 53 km deep · 65 km away
  42. 2.1100 km SSE of Adak, Alaska · 733 days ago · 26 km deep · 69 km away
  43. 2.9101 km SSE of Adak, Alaska · 733 days ago · 10 km deep · 68 km away
  44. 3.9110 km SSE of Adak, Alaska · 733 days ago · 10 km deep · 77 km away
  45. 3.440 km SW of Adak, Alaska · 733 days ago · 35 km deep · 16 km away
  46. 2.893 km SSE of Adak, Alaska · 733 days ago · 35 km deep · 62 km away
  47. 2.9115 km SSE of Adak, Alaska · 733 days ago · 35 km deep · 82 km away
  48. 2.6108 km SSE of Adak, Alaska · 733 days ago · 10 km deep · 76 km away
  49. 3.499 km SSE of Adak, Alaska · 733 days ago · 14 km deep · 67 km away
  50. 2.276 km SSW of Adak, Alaska · 733 days ago · 25 km deep · 35 km away
  51. 1.865 km SSW of Adak, Alaska · 732 days ago · 27 km deep · 23 km away
  52. 1.999 km WSW of Adak, Alaska · 732 days ago · 56 km deep · 74 km away
  53. 1.9100 km SSE of Adak, Alaska · 732 days ago · 14 km deep · 70 km away
  54. 1.859 km SSE of Adak, Alaska · 732 days ago · 26 km deep · 44 km away
  55. 1.552 km SSE of Adak, Alaska · 732 days ago · 26 km deep · 36 km away
  56. 1.9115 km SW of Adak, Alaska · 732 days ago · 47 km deep · 88 km away
  57. 1.556 km WSW of Adak, Alaska · 731 days ago · 13 km deep · 51 km away
  58. 2.9113 km SSE of Adak, Alaska · 731 days ago · 12 km deep · 81 km away
  59. 2.7118 km SSE of Adak, Alaska · 731 days ago · 10 km deep · 86 km away
  60. 3.6112 km SSE of Adak, Alaska · 731 days ago · 10 km deep · 81 km away

The first 60 of at least 201.

Before

  1. 2.558 km W of Adak, Alaska · 741 days ago · 99 km deep · 59 km away
  2. 2.641 km NE of Adak, Alaska · 741 days ago · 132 km deep · 81 km away
  3. 2.866 km ESE of Adak, Alaska · 742 days ago · 40 km deep · 71 km away
  4. 1.822 km ESE of Adak, Alaska · 742 days ago · 68 km deep · 42 km away
  5. 4.198 km SSE of Adak, Alaska · 742 days ago · 10 km deep · 68 km away
  6. 4.090 km SSE of Adak, Alaska · 742 days ago · 25 km deep · 62 km away
  7. 2.068 km SE of Adak, Alaska · 742 days ago · 25 km deep · 62 km away
  8. 3.195 km SSE of Adak, Alaska · 742 days ago · 10 km deep · 66 km away
  9. 1.958 km SE of Adak, Alaska · 742 days ago · 26 km deep · 48 km away
  10. 1.558 km SE of Adak, Alaska · 742 days ago · 5 km deep · 50 km away
  11. 2.978 km SW of Adak, Alaska · 743 days ago · 35 km deep · 50 km away
  12. 1.767 km WSW of Adak, Alaska · 743 days ago · 61 km deep · 51 km away
  13. 2.657 km WSW of Adak, Alaska · 743 days ago · 75 km deep · 41 km away
  14. 2.767 km SE of Adak, Alaska · 743 days ago · 35 km deep · 60 km away
  15. 1.970 km E of Adak, Alaska · 743 days ago · 65 km deep · 91 km away
  16. 1.762 km SE of Adak, Alaska · 743 days ago · 23 km deep · 56 km away
  17. 3.0107 km SW of Adak, Alaska · 743 days ago · 35 km deep · 74 km away
  18. 2.854 km E of Adak, Alaska · 745 days ago · 66 km deep · 76 km away
  19. 3.132 km N of Adak, Alaska · 745 days ago · 232 km deep · 73 km away
  20. 3.226 km SE of Adak, Alaska · 746 days ago · 61 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak024c6aqlug. Read Thu, Oct 1, 2026, 10:02 PM UTC.