Alaska earthquakes

M3.1 earthquake 129 km WSW of Adak, Alaska

A magnitude 3.1 earthquake struck 129 km WSW of Adak, Alaska on Fri, Mar 1, 2024, 5:49 AM HAST (15:49 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.1 60 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
2024-03-01 15:49:07 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.240° N, 178.206° 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 · ±0.097 · 14 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 4.2 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
208°, poorly surrounded by stations
Stations used
15

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 99 in the 30 days before it.

After

  1. 2.1130 km WSW of Adak, Alaska · 944 days ago · 26 km deep · 7 km away
  2. 2.0168 km WSW of Adak, Alaska · 943 days ago · 20 km deep · 43 km away
  3. 1.963 km SSW of Adak, Alaska · 943 days ago · 45 km deep · 83 km away
  4. 1.647 km WSW of Adak, Alaska · 943 days ago · 14 km deep · 87 km away
  5. 2.7186 km WSW of Adak, Alaska · 943 days ago · 18 km deep · 65 km away
  6. 2.0127 km WSW of Adak, Alaska · 942 days ago · 20 km deep · 13 km away
  7. 1.868 km SW of Adak, Alaska · 942 days ago · 41 km deep · 61 km away
  8. 2.770 km WSW of Adak, Alaska · 941 days ago · 76 km deep · 62 km away
  9. 2.3102 km SW of Adak, Alaska · 941 days ago · 40 km deep · 31 km away
  10. 3.061 km SSW of Adak, Alaska · 941 days ago · 35 km deep · 83 km away
  11. 2.1110 km WSW of Adak, Alaska · 939 days ago · 38 km deep · 23 km away
  12. 2.7134 km WSW of Adak, Alaska · 939 days ago · 83 km deep · 40 km away
  13. 3.3164 km WSW of Adak, Alaska · 939 days ago · 55 km deep · 42 km away
  14. 2.5133 km SW of Adak, Alaska · 938 days ago · 35 km deep · 7 km away
  15. 2.167 km SW of Adak, Alaska · 938 days ago · 39 km deep · 64 km away
  16. 1.856 km SSW of Adak, Alaska · 938 days ago · 37 km deep · 90 km away
  17. 2.573 km SW of Adak, Alaska · 938 days ago · 35 km deep · 62 km away
  18. 1.690 km W of Adak, Alaska · 937 days ago · 6 km deep · 70 km away
  19. 2.151 km WSW of Adak, Alaska · 936 days ago · 62 km deep · 84 km away
  20. 3.0176 km WSW of Adak, Alaska · 936 days ago · 48 km deep · 56 km away
  21. 2.073 km WSW of Adak, Alaska · 936 days ago · 29 km deep · 56 km away
  22. 2.446 km W of Adak, Alaska · 936 days ago · 124 km deep · 90 km away
  23. 2.174 km SW of Adak, Alaska · 935 days ago · 40 km deep · 56 km away
  24. 2.090 km WSW of Adak, Alaska · 935 days ago · 13 km deep · 40 km away
  25. 2.8171 km W of Adak, Alaska · 935 days ago · 79 km deep · 75 km away
  26. 3.148 km WSW of Adak, Alaska · 935 days ago · 76 km deep · 81 km away
  27. 2.0168 km WSW of Adak, Alaska · 934 days ago · 19 km deep · 54 km away
  28. 2.1123 km WSW of Adak, Alaska · 934 days ago · 25 km deep · 26 km away
  29. 2.5135 km W of Adak, Alaska · 934 days ago · 157 km deep · 88 km away
  30. 2.034 km SW of Adak, Alaska · 932 days ago · 62 km deep · 98 km away
  31. 2.066 km SW of Adak, Alaska · 932 days ago · 38 km deep · 66 km away
  32. 2.1137 km SW of Adak, Alaska · 931 days ago · 16 km deep · 14 km away
  33. 1.792 km WSW of Adak, Alaska · 931 days ago · 30 km deep · 39 km away
  34. 1.8113 km WSW of Adak, Alaska · 931 days ago · 25 km deep · 31 km away
  35. 1.8110 km WSW of Adak, Alaska · 931 days ago · 21 km deep · 30 km away
  36. 1.959 km WSW of Adak, Alaska · 931 days ago · 19 km deep · 70 km away
  37. 2.9133 km SW of Adak, Alaska · 930 days ago · 14 km deep · 7 km away
  38. 2.2123 km WSW of Adak, Alaska · 929 days ago · 25 km deep · 23 km away
  39. 3.4208 km WSW of Adak, Alaska · 929 days ago · 35 km deep · 89 km away
  40. 1.855 km SSW of Adak, Alaska · 929 days ago · 37 km deep · 82 km away
  41. 3.2208 km WSW of Adak, Alaska · 928 days ago · 10 km deep · 79 km away
  42. 2.2150 km WSW of Adak, Alaska · 928 days ago · 18 km deep · 22 km away
  43. 2.9198 km WSW of Adak, Alaska · 928 days ago · 35 km deep · 74 km away
  44. 1.866 km WSW of Adak, Alaska · 928 days ago · 47 km deep · 63 km away
  45. 2.0125 km WSW of Adak, Alaska · 928 days ago · 25 km deep · 22 km away
  46. 2.0125 km WSW of Adak, Alaska · 928 days ago · 7 km deep · 35 km away
  47. 1.662 km W of Adak, Alaska · 928 days ago · 13 km deep · 77 km away
  48. 2.8171 km WSW of Adak, Alaska · 927 days ago · 32 km deep · 55 km away
  49. 2.684 km W of Adak, Alaska · 927 days ago · 100 km deep · 68 km away
  50. 3.4126 km WSW of Adak, Alaska · 926 days ago · 35 km deep · 15 km away
  51. 1.7153 km W of Adak, Alaska · 926 days ago · 16 km deep · 61 km away
  52. 2.7174 km WSW of Adak, Alaska · 926 days ago · 25 km deep · 58 km away
  53. 3.793 km SW of Adak, Alaska · 926 days ago · 54 km deep · 37 km away
  54. 1.8135 km WSW of Adak, Alaska · 925 days ago · 18 km deep · 49 km away
  55. 2.5152 km W of Adak, Alaska · 925 days ago · 96 km deep · 85 km away
  56. 2.2160 km WSW of Adak, Alaska · 925 days ago · 20 km deep · 62 km away
  57. 2.2149 km WSW of Adak, Alaska · 925 days ago · 17 km deep · 32 km away
  58. 1.947 km SW of Adak, Alaska · 924 days ago · 43 km deep · 86 km away
  59. 1.857 km SSW of Adak, Alaska · 924 days ago · 33 km deep · 84 km away
  60. 2.759 km S of Adak, Alaska · 924 days ago · 35 km deep · 99 km away

The first 60 of at least 201.

Before

  1. 2.5188 km W of Adak, Alaska · 944 days ago · 10 km deep · 92 km away
  2. 2.2219 km WSW of Adak, Alaska · 944 days ago · 16 km deep · 96 km away
  3. 2.4210 km WSW of Adak, Alaska · 944 days ago · 11 km deep · 90 km away
  4. 2.698 km SW of Adak, Alaska · 944 days ago · 35 km deep · 36 km away
  5. 2.7153 km WSW of Adak, Alaska · 944 days ago · 20 km deep · 41 km away
  6. 5.0104 km SSW of Adak, Alaska · 945 days ago · 27 km deep · 66 km away
  7. 3.544 km SW of Adak, Alaska · 945 days ago · 71 km deep · 88 km away
  8. 2.5158 km SW of Adak, Alaska · 945 days ago · 10 km deep · 51 km away
  9. 2.5161 km WSW of Adak, Alaska · 946 days ago · 30 km deep · 51 km away
  10. 2.1150 km WSW of Adak, Alaska · 946 days ago · 11 km deep · 37 km away
  11. 2.2127 km WSW of Adak, Alaska · 946 days ago · 24 km deep · 4 km away
  12. 3.2111 km WSW of Adak, Alaska · 946 days ago · 10 km deep · 27 km away
  13. 2.8189 km WSW of Adak, Alaska · 946 days ago · 35 km deep · 66 km away
  14. 2.1142 km WSW of Adak, Alaska · 947 days ago · 13 km deep · 40 km away
  15. 2.3148 km WSW of Adak, Alaska · 947 days ago · 23 km deep · 19 km away
  16. 2.3184 km WSW of Adak, Alaska · 948 days ago · 18 km deep · 64 km away
  17. 2.3192 km WSW of Adak, Alaska · 949 days ago · 23 km deep · 69 km away
  18. 2.174 km SW of Adak, Alaska · 949 days ago · 35 km deep · 57 km away
  19. 1.671 km WSW of Adak, Alaska · 949 days ago · 36 km deep · 58 km away
  20. 2.6134 km WSW of Adak, Alaska · 950 days ago · 31 km deep · 24 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000mk53 (also filed as ak0242t506tu). Read Thu, Oct 1, 2026, 4:40 AM UTC.