Alaska earthquakes

M2.9 earthquake 62 km SSE of Adak, Alaska

A magnitude 2.9 earthquake struck 62 km SSE of Adak, Alaska on Sat, Jul 27, 2024, 11:56 AM HADT (20:56 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.1 98 km SSE 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-07-27 20:56:54 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.355° N, 176.301° 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
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 stations
2.4ML, 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 3.2 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
249°, poorly surrounded by stations
Stations used
13

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 117 in the 30 days before it.

After

  1. 1.985 km S of Adak, Alaska · 795 days ago · 18 km deep · 31 km away
  2. 1.881 km SSE of Adak, Alaska · 795 days ago · 13 km deep · 21 km away
  3. 1.664 km SE of Adak, Alaska · 795 days ago · 22 km deep · 18 km away
  4. 3.321 km S of Adak, Alaska · 795 days ago · 79 km deep · 42 km away
  5. 3.889 km SW of Atka, Alaska · 794 days ago · 30 km deep · 85 km away
  6. 2.855 km ENE of Adak, Alaska · 794 days ago · 192 km deep · 89 km away
  7. 1.749 km SW of Adak, Alaska · 794 days ago · 47 km deep · 61 km away
  8. 1.833 km ESE of Adak, Alaska · 794 days ago · 71 km deep · 45 km away
  9. 1.767 km SSW of Adak, Alaska · 794 days ago · 26 km deep · 43 km away
  10. 1.788 km SW of Atka, Alaska · 794 days ago · 18 km deep · 96 km away
  11. 1.556 km SE of Adak, Alaska · 794 days ago · 23 km deep · 17 km away
  12. 1.644 km SSW of Adak, Alaska · 794 days ago · 52 km deep · 44 km away
  13. 1.646 km SSE of Adak, Alaska · 794 days ago · 36 km deep · 16 km away
  14. 1.517 km S of Adak, Alaska · 793 days ago · 67 km deep · 47 km away
  15. 3.360 km E of Adak, Alaska · 793 days ago · 70 km deep · 61 km away
  16. 2.076 km SW of Adak, Alaska · 793 days ago · 25 km deep · 88 km away
  17. 1.788 km SW of Adak, Alaska · 793 days ago · 44 km deep · 93 km away
  18. 1.859 km S of Adak, Alaska · 792 days ago · 23 km deep · 18 km away
  19. 1.949 km SSE of Adak, Alaska · 792 days ago · 33 km deep · 15 km away
  20. 1.688 km ESE of Adak, Alaska · 792 days ago · 29 km deep · 63 km away
  21. 1.559 km WSW of Adak, Alaska · 792 days ago · 3 km deep · 92 km away
  22. 2.241 km WNW of Adak, Alaska · 790 days ago · 108 km deep · 93 km away
  23. 1.647 km SSE of Adak, Alaska · 790 days ago · 23 km deep · 19 km away
  24. 2.959 km SE of Adak, Alaska · 790 days ago · 35 km deep · 24 km away
  25. 1.659 km WSW of Adak, Alaska · 790 days ago · 13 km deep · 91 km away
  26. 2.177 km SE of Adak, Alaska · 789 days ago · 27 km deep · 35 km away
  27. 3.2102 km ESE of Adak, Alaska · 789 days ago · 35 km deep · 65 km away
  28. 1.899 km ESE of Adak, Alaska · 789 days ago · 26 km deep · 67 km away
  29. 2.767 km ENE of Adak, Alaska · 789 days ago · 147 km deep · 99 km away
  30. 1.863 km SSW of Adak, Alaska · 789 days ago · 26 km deep · 52 km away
  31. 1.559 km SSW of Adak, Alaska · 789 days ago · 23 km deep · 36 km away
  32. 1.658 km WSW of Adak, Alaska · 788 days ago · 13 km deep · 92 km away
  33. 3.179 km SE of Adak, Alaska · 788 days ago · 40 km deep · 44 km away
  34. 1.762 km SE of Adak, Alaska · 788 days ago · 24 km deep · 19 km away
  35. 1.554 km SSE of Adak, Alaska · 787 days ago · 10 km deep · 8 km away
  36. 2.632 km E of Adak, Alaska · 787 days ago · 134 km deep · 55 km away
  37. 1.778 km WSW of Adak, Alaska · 787 days ago · 34 km deep · 95 km away
  38. 1.657 km SE of Adak, Alaska · 787 days ago · 22 km deep · 14 km away
  39. 1.757 km SW of Adak, Alaska · 787 days ago · 13 km deep · 66 km away
  40. 1.977 km WSW of Adak, Alaska · 786 days ago · 47 km deep · 91 km away
  41. 1.755 km SE of Adak, Alaska · 786 days ago · 25 km deep · 16 km away
  42. 1.859 km SSW of Adak, Alaska · 786 days ago · 45 km deep · 54 km away
  43. 2.5108 km SW of Adak, Alaska · 786 days ago · 35 km deep · 95 km away
  44. 2.654 km SSW of Adak, Alaska · 785 days ago · 59 km deep · 51 km away
  45. 2.899 km ESE of Adak, Alaska · 785 days ago · 35 km deep · 72 km away
  46. 1.560 km WSW of Adak, Alaska · 784 days ago · 9 km deep · 91 km away
  47. 1.860 km WSW of Adak, Alaska · 784 days ago · 10 km deep · 92 km away
  48. 2.659 km S of Adak, Alaska · 784 days ago · 35 km deep · 20 km away
  49. 2.268 km ESE of Adak, Alaska · 783 days ago · 42 km deep · 51 km away
  50. 3.363 km SSE of Adak, Alaska · 783 days ago · 33 km deep · 9 km away
  51. 1.749 km SW of Adak, Alaska · 783 days ago · 42 km deep · 58 km away
  52. 1.757 km SE of Adak, Alaska · 783 days ago · 27 km deep · 14 km away
  53. 1.857 km SE of Adak, Alaska · 783 days ago · 27 km deep · 14 km away
  54. 2.747 km NE of Adak, Alaska · 782 days ago · 137 km deep · 92 km away
  55. 2.7148 km SE of Adak, Alaska · 781 days ago · 10 km deep · 89 km away
  56. 1.9102 km SE of Adak, Alaska · 781 days ago · 26 km deep · 62 km away
  57. 1.774 km SSW of Adak, Alaska · 781 days ago · 30 km deep · 58 km away
  58. 1.545 km SW of Adak, Alaska · 781 days ago · 46 km deep · 61 km away
  59. 3.252 km SSW of Adak, Alaska · 781 days ago · 35 km deep · 34 km away
  60. 1.664 km SSW of Adak, Alaska · 781 days ago · 43 km deep · 55 km away

The first 60 of at least 201.

Before

  1. 2.067 km SSW of Adak, Alaska · 796 days ago · 35 km deep · 57 km away
  2. 1.837 km SSW of Adak, Alaska · 797 days ago · 36 km deep · 37 km away
  3. 3.663 km ESE of Adak, Alaska · 797 days ago · 35 km deep · 42 km away
  4. 1.771 km SSW of Adak, Alaska · 797 days ago · 29 km deep · 56 km away
  5. 1.755 km SE of Adak, Alaska · 798 days ago · 25 km deep · 16 km away
  6. 2.655 km SSW of Adak, Alaska · 798 days ago · 39 km deep · 55 km away
  7. 1.552 km SE of Adak, Alaska · 798 days ago · 28 km deep · 22 km away
  8. 1.786 km ESE of Adak, Alaska · 798 days ago · 33 km deep · 51 km away
  9. 3.049 km SE of Adak, Alaska · 798 days ago · 35 km deep · 19 km away
  10. 1.650 km SSE of Adak, Alaska · 799 days ago · 23 km deep · 15 km away
  11. 2.570 km SSW of Adak, Alaska · 799 days ago · 35 km deep · 52 km away
  12. 1.574 km SSE of Adak, Alaska · 799 days ago · 22 km deep · 14 km away
  13. 1.672 km ESE of Adak, Alaska · 799 days ago · 60 km deep · 63 km away
  14. 1.661 km SSE of Adak, Alaska · 799 days ago · 23 km deep · 13 km away
  15. 2.042 km SSE of Adak, Alaska · 800 days ago · 34 km deep · 20 km away
  16. 1.560 km WSW of Adak, Alaska · 800 days ago · 9 km deep · 91 km away
  17. 2.755 km S of Adak, Alaska · 800 days ago · 35 km deep · 13 km away
  18. 1.563 km SSW of Adak, Alaska · 800 days ago · 33 km deep · 47 km away
  19. 1.871 km SSE of Adak, Alaska · 800 days ago · 18 km deep · 11 km away
  20. 1.542 km SSE of Adak, Alaska · 800 days ago · 47 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000npqb (also filed as ak0249lzkbif). Read Thu, Oct 1, 2026, 2:56 PM UTC.