Alaska earthquakes

M3.0 earthquake 62 km ESE of Adak, Alaska

A magnitude 3.0 earthquake struck 62 km ESE of Adak, Alaska on Mon, Jul 22, 2024, 6:49 AM HADT (15:49 UTC), 67 km (42 mi) below the surface.

A larger quake followed: M4.8 29 km SW of Atka, 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
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-07-22 15:49:18 UTC
Depth
66.9 km (41.6 mi), shallow
Epicenter
51.718° N, 175.761° 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
3.0ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.077 · 22 stations
2.6ML, 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 6.7 km horizontally, 12.6 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
194°, poorly surrounded by stations
Stations used
21

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 106 in the 30 days before it.

After

  1. 1.728 km ENE of Adak, Alaska · 801 days ago · 100 km deep · 44 km away
  2. 2.779 km NE of Adak, Alaska · 801 days ago · 181 km deep · 65 km away
  3. 1.744 km S of Adak, Alaska · 801 days ago · 26 km deep · 71 km away
  4. 1.673 km ESE of Adak, Alaska · 801 days ago · 25 km deep · 16 km away
  5. 1.542 km SSE of Adak, Alaska · 800 days ago · 47 km deep · 55 km away
  6. 1.871 km SSE of Adak, Alaska · 800 days ago · 18 km deep · 64 km away
  7. 1.563 km SSW of Adak, Alaska · 800 days ago · 33 km deep · 94 km away
  8. 2.071 km WSW of Atka, Alaska · 800 days ago · 64 km deep · 48 km away
  9. 2.755 km S of Adak, Alaska · 800 days ago · 35 km deep · 62 km away
  10. 2.042 km SSE of Adak, Alaska · 800 days ago · 34 km deep · 48 km away
  11. 1.661 km SSE of Adak, Alaska · 800 days ago · 23 km deep · 43 km away
  12. 1.941 km SSW of Atka, Alaska · 800 days ago · 25 km deep · 91 km away
  13. 1.672 km ESE of Adak, Alaska · 799 days ago · 60 km deep · 10 km away
  14. 1.574 km SSE of Adak, Alaska · 799 days ago · 22 km deep · 66 km away
  15. 1.650 km SSE of Adak, Alaska · 799 days ago · 23 km deep · 59 km away
  16. 3.049 km SE of Adak, Alaska · 799 days ago · 35 km deep · 38 km away
  17. 1.786 km ESE of Adak, Alaska · 798 days ago · 33 km deep · 32 km away
  18. 1.552 km SE of Adak, Alaska · 798 days ago · 28 km deep · 33 km away
  19. 2.655 km SSW of Adak, Alaska · 798 days ago · 39 km deep · 95 km away
  20. 1.755 km SE of Adak, Alaska · 798 days ago · 25 km deep · 39 km away
  21. 3.663 km ESE of Adak, Alaska · 797 days ago · 35 km deep · 14 km away
  22. 1.837 km SSW of Adak, Alaska · 797 days ago · 36 km deep · 71 km away
  23. 2.962 km SSE of Adak, Alaska · 796 days ago · 35 km deep · 55 km away
  24. 1.985 km S of Adak, Alaska · 796 days ago · 18 km deep · 85 km away
  25. 1.881 km SSE of Adak, Alaska · 795 days ago · 13 km deep · 73 km away
  26. 1.664 km SE of Adak, Alaska · 795 days ago · 22 km deep · 40 km away
  27. 3.321 km S of Adak, Alaska · 795 days ago · 79 km deep · 59 km away
  28. 3.889 km SW of Atka, Alaska · 795 days ago · 30 km deep · 40 km away
  29. 2.855 km ENE of Adak, Alaska · 795 days ago · 192 km deep · 47 km away
  30. 1.749 km SW of Adak, Alaska · 795 days ago · 47 km deep · 96 km away
  31. 4.829 km SW of Atka, Alaska · 795 days ago · 70 km deep · 91 km away · felt by 2 · tsunami flag
  32. 1.833 km ESE of Adak, Alaska · 795 days ago · 71 km deep · 30 km away
  33. 1.767 km SSW of Adak, Alaska · 795 days ago · 26 km deep · 92 km away
  34. 1.644 km SSW of Atka, Alaska · 795 days ago · 49 km deep · 89 km away
  35. 1.788 km SW of Atka, Alaska · 795 days ago · 18 km deep · 59 km away
  36. 1.556 km SE of Adak, Alaska · 794 days ago · 23 km deep · 38 km away
  37. 1.644 km SSW of Adak, Alaska · 794 days ago · 52 km deep · 81 km away
  38. 1.646 km SSE of Adak, Alaska · 794 days ago · 36 km deep · 53 km away
  39. 1.517 km S of Adak, Alaska · 794 days ago · 67 km deep · 62 km away
  40. 3.360 km E of Adak, Alaska · 793 days ago · 70 km deep · 9 km away
  41. 1.748 km W of Atka, Alaska · 793 days ago · 98 km deep · 76 km away
  42. 1.859 km S of Adak, Alaska · 793 days ago · 23 km deep · 69 km away
  43. 1.949 km SSE of Adak, Alaska · 792 days ago · 33 km deep · 58 km away
  44. 1.688 km ESE of Adak, Alaska · 792 days ago · 29 km deep · 27 km away
  45. 1.647 km SSE of Adak, Alaska · 791 days ago · 23 km deep · 40 km away
  46. 2.959 km SE of Adak, Alaska · 791 days ago · 35 km deep · 31 km away
  47. 3.449 km N of Adak, Alaska · 790 days ago · 224 km deep · 84 km away
  48. 2.177 km SE of Adak, Alaska · 790 days ago · 27 km deep · 35 km away
  49. 3.2102 km ESE of Adak, Alaska · 790 days ago · 35 km deep · 45 km away
  50. 1.899 km ESE of Adak, Alaska · 790 days ago · 26 km deep · 40 km away
  51. 2.767 km ENE of Adak, Alaska · 789 days ago · 147 km deep · 52 km away
  52. 1.863 km SSW of Adak, Alaska · 789 days ago · 26 km deep · 97 km away
  53. 1.559 km SSW of Adak, Alaska · 789 days ago · 23 km deep · 84 km away
  54. 3.179 km SE of Adak, Alaska · 788 days ago · 40 km deep · 29 km away
  55. 1.762 km SE of Adak, Alaska · 788 days ago · 24 km deep · 37 km away
  56. 1.554 km SSE of Adak, Alaska · 788 days ago · 10 km deep · 50 km away
  57. 2.632 km E of Adak, Alaska · 788 days ago · 134 km deep · 31 km away
  58. 1.945 km WSW of Atka, Alaska · 787 days ago · 92 km deep · 75 km away
  59. 1.657 km SE of Adak, Alaska · 787 days ago · 22 km deep · 41 km away
  60. 1.755 km SE of Adak, Alaska · 786 days ago · 25 km deep · 39 km away

The first 60 of at least 201.

Before

  1. 1.754 km SSE of Adak, Alaska · 802 days ago · 29 km deep · 57 km away
  2. 1.739 km SE of Adak, Alaska · 802 days ago · 56 km deep · 30 km away
  3. 1.647 km SW of Adak, Alaska · 803 days ago · 13 km deep · 96 km away
  4. 2.564 km SE of Adak, Alaska · 803 days ago · 35 km deep · 39 km away
  5. 1.840 km SSW of Adak, Alaska · 803 days ago · 26 km deep · 79 km away
  6. 3.158 km ENE of Adak, Alaska · 804 days ago · 171 km deep · 38 km away
  7. 1.955 km SW of Adak, Alaska · 804 days ago · 36 km deep · 96 km away
  8. 2.129 km SSW of Atka, Alaska · 805 days ago · 64 km deep · 99 km away
  9. 2.557 km SE of Adak, Alaska · 805 days ago · 38 km deep · 39 km away
  10. 1.557 km SSW of Atka, Alaska · 805 days ago · 57 km deep · 78 km away
  11. 1.976 km ENE of Adak, Alaska · 805 days ago · 174 km deep · 60 km away
  12. 1.667 km SW of Atka, Alaska · 806 days ago · 42 km deep · 58 km away
  13. 1.568 km SSW of Adak, Alaska · 807 days ago · 21 km deep · 99 km away
  14. 1.671 km ENE of Adak, Alaska · 808 days ago · 87 km deep · 41 km away
  15. 1.6115 km SE of Adak, Alaska · 808 days ago · 19 km deep · 59 km away
  16. 1.662 km SSE of Adak, Alaska · 808 days ago · 21 km deep · 55 km away
  17. 1.8116 km SSE of Adak, Alaska · 809 days ago · 11 km deep · 92 km away
  18. 1.561 km SE of Adak, Alaska · 809 days ago · 24 km deep · 31 km away
  19. 1.657 km WSW of Atka, Alaska · 809 days ago · 74 km deep · 62 km away
  20. 4.153 km SSE of Adak, Alaska · 809 days ago · 44 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000nnsx (also filed as ak0249dmuudi). Read Thu, Oct 1, 2026, 8:51 PM UTC.