Alaska earthquakes

M3.1 earthquake 102 km SW of Adak, Alaska

A magnitude 3.1 earthquake struck 102 km SW of Adak, Alaska on Sun, Apr 7, 2024, 2:01 PM HADT (23:01 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.5 188 km WSW 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
3.1 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-04-07 23:01:29 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.223° N, 177.675° 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
3.1ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.085 · 18 stations
2.8ML, 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 4.6 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
211°, 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 96 in the 30 days before it.

After

  1. 2.0102 km WSW of Adak, Alaska · 908 days ago · 26 km deep · 48 km away
  2. 1.954 km SW of Adak, Alaska · 907 days ago · 58 km deep · 49 km away
  3. 2.1116 km SW of Adak, Alaska · 907 days ago · 26 km deep · 16 km away
  4. 1.636 km WSW of Adak, Alaska · 907 days ago · 13 km deep · 69 km away
  5. 1.759 km WSW of Adak, Alaska · 904 days ago · 2 km deep · 61 km away
  6. 1.859 km WSW of Adak, Alaska · 903 days ago · 1 km deep · 63 km away
  7. 2.9150 km WSW of Adak, Alaska · 903 days ago · 33 km deep · 58 km away
  8. 1.970 km SSW of Adak, Alaska · 903 days ago · 18 km deep · 46 km away
  9. 1.734 km WSW of Adak, Alaska · 902 days ago · 7 km deep · 70 km away
  10. 2.1168 km WSW of Adak, Alaska · 902 days ago · 26 km deep · 77 km away
  11. 2.0113 km SW of Adak, Alaska · 902 days ago · 26 km deep · 21 km away
  12. 2.057 km WSW of Adak, Alaska · 902 days ago · 10 km deep · 62 km away
  13. 1.923 km S of Adak, Alaska · 902 days ago · 46 km deep · 86 km away
  14. 1.858 km W of Adak, Alaska · 902 days ago · 10 km deep · 65 km away
  15. 3.2111 km SW of Adak, Alaska · 902 days ago · 35 km deep · 11 km away
  16. 1.678 km SSE of Adak, Alaska · 902 days ago · 13 km deep · 90 km away
  17. 1.966 km SW of Adak, Alaska · 902 days ago · 30 km deep · 36 km away
  18. 1.7133 km WSW of Adak, Alaska · 902 days ago · 22 km deep · 45 km away
  19. 1.959 km WSW of Adak, Alaska · 902 days ago · 7 km deep · 62 km away
  20. 3.291 km WSW of Adak, Alaska · 902 days ago · 66 km deep · 38 km away
  21. 2.859 km WSW of Adak, Alaska · 902 days ago · 10 km deep · 57 km away
  22. 1.640 km S of Adak, Alaska · 902 days ago · 39 km deep · 82 km away
  23. 2.660 km WSW of Adak, Alaska · 902 days ago · 10 km deep · 53 km away
  24. 2.057 km W of Adak, Alaska · 902 days ago · 10 km deep · 65 km away
  25. 1.858 km W of Adak, Alaska · 901 days ago · 10 km deep · 65 km away
  26. 1.959 km W of Adak, Alaska · 901 days ago · 12 km deep · 64 km away
  27. 1.858 km W of Adak, Alaska · 901 days ago · 9 km deep · 65 km away
  28. 2.058 km W of Adak, Alaska · 901 days ago · 7 km deep · 64 km away
  29. 2.259 km WSW of Adak, Alaska · 901 days ago · 7 km deep · 61 km away
  30. 1.759 km WSW of Adak, Alaska · 901 days ago · 1 km deep · 61 km away
  31. 1.659 km WSW of Adak, Alaska · 901 days ago · 2 km deep · 61 km away
  32. 1.759 km W of Adak, Alaska · 901 days ago · -1 km deep · 63 km away
  33. 1.859 km W of Adak, Alaska · 901 days ago · -2 km deep · 63 km away
  34. 2.539 km SW of Adak, Alaska · 901 days ago · 14 km deep · 64 km away
  35. 2.177 km WSW of Adak, Alaska · 900 days ago · 36 km deep · 33 km away
  36. 2.676 km SSE of Adak, Alaska · 900 days ago · 31 km deep · 98 km away
  37. 2.084 km W of Adak, Alaska · 900 days ago · 10 km deep · 74 km away
  38. 1.558 km W of Adak, Alaska · 900 days ago · 11 km deep · 63 km away
  39. 2.258 km WSW of Adak, Alaska · 900 days ago · 10 km deep · 62 km away
  40. 1.858 km W of Adak, Alaska · 900 days ago · 13 km deep · 64 km away
  41. 2.358 km W of Adak, Alaska · 900 days ago · 11 km deep · 64 km away
  42. 2.158 km W of Adak, Alaska · 900 days ago · 11 km deep · 63 km away
  43. 2.159 km WSW of Adak, Alaska · 899 days ago · 10 km deep · 61 km away
  44. 1.657 km W of Adak, Alaska · 899 days ago · 12 km deep · 65 km away
  45. 1.657 km W of Adak, Alaska · 899 days ago · 13 km deep · 66 km away
  46. 1.958 km WSW of Adak, Alaska · 899 days ago · 13 km deep · 61 km away
  47. 1.757 km W of Adak, Alaska · 899 days ago · 11 km deep · 64 km away
  48. 1.658 km W of Adak, Alaska · 899 days ago · 13 km deep · 64 km away
  49. 1.757 km W of Adak, Alaska · 899 days ago · 10 km deep · 64 km away
  50. 1.559 km W of Adak, Alaska · 899 days ago · 2 km deep · 63 km away
  51. 1.958 km WSW of Adak, Alaska · 899 days ago · 7 km deep · 62 km away
  52. 1.660 km WSW of Adak, Alaska · 899 days ago · 1 km deep · 62 km away
  53. 1.660 km WSW of Adak, Alaska · 899 days ago · 2 km deep · 61 km away
  54. 2.057 km W of Adak, Alaska · 899 days ago · 11 km deep · 64 km away
  55. 3.3124 km WSW of Adak, Alaska · 899 days ago · 10 km deep · 37 km away
  56. 3.2124 km WSW of Adak, Alaska · 898 days ago · 10 km deep · 56 km away
  57. 2.961 km WSW of Adak, Alaska · 898 days ago · 10 km deep · 49 km away
  58. 3.061 km WSW of Adak, Alaska · 898 days ago · 10 km deep · 51 km away
  59. 2.258 km WSW of Adak, Alaska · 898 days ago · 13 km deep · 62 km away
  60. 2.259 km W of Adak, Alaska · 898 days ago · 13 km deep · 63 km away

The first 60 of at least 201.

Before

  1. 3.0125 km WSW of Adak, Alaska · 908 days ago · 38 km deep · 44 km away
  2. 2.8114 km SW of Adak, Alaska · 910 days ago · 31 km deep · 17 km away
  3. 3.5113 km SW of Adak, Alaska · 910 days ago · 35 km deep · 12 km away
  4. 2.1126 km WSW of Adak, Alaska · 911 days ago · 19 km deep · 45 km away
  5. 2.045 km S of Adak, Alaska · 911 days ago · 43 km deep · 83 km away
  6. 2.251 km W of Adak, Alaska · 911 days ago · 91 km deep · 78 km away
  7. 2.2100 km WSW of Adak, Alaska · 912 days ago · 13 km deep · 41 km away
  8. 2.067 km SW of Adak, Alaska · 912 days ago · 26 km deep · 35 km away
  9. 2.8170 km SW of Adak, Alaska · 912 days ago · 10 km deep · 71 km away
  10. 2.1127 km WSW of Adak, Alaska · 913 days ago · 15 km deep · 52 km away
  11. 3.4135 km WSW of Adak, Alaska · 913 days ago · 35 km deep · 45 km away
  12. 3.1121 km W of Adak, Alaska · 914 days ago · 155 km deep · 99 km away
  13. 3.6184 km WSW of Adak, Alaska · 914 days ago · 26 km deep · 100 km away
  14. 3.770 km WSW of Adak, Alaska · 914 days ago · 124 km deep · 58 km away
  15. 2.2131 km SW of Adak, Alaska · 914 days ago · 22 km deep · 35 km away
  16. 2.339 km WNW of Adak, Alaska · 914 days ago · 95 km deep · 91 km away
  17. 1.894 km SW of Adak, Alaska · 914 days ago · 24 km deep · 13 km away
  18. 1.9110 km WSW of Adak, Alaska · 915 days ago · 13 km deep · 42 km away
  19. 2.8121 km SW of Adak, Alaska · 915 days ago · 35 km deep · 22 km away
  20. 2.160 km S of Adak, Alaska · 915 days ago · 24 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000mw5j (also filed as ak0244igd9c9). Read Fri, Oct 2, 2026, 5:22 PM UTC.