Alaska earthquakes

M2.9 earthquake 278 km WSW of Adak, Alaska

A magnitude 2.9 earthquake struck 278 km WSW of Adak, Alaska on Thu, Feb 1, 2024, 11:44 AM GMT+12 (23:44 UTC), 57 km (35 mi) below the surface.

A larger quake followed: M5.5 260 km W 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
2024-01-31 23:44:22 UTC
Depth
56.7 km (35.2 mi), shallow
Epicenter
51.443° N, 179.407° E
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 · ±0.097 · 14 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 6.5 km horizontally, 19.5 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
141°
Stations used
22

Nearby

Within 100 km, magnitude 1.5 and up: 102 in the 60 days after this one and 42 in the 30 days before it.

After

  1. 1.7Rat Islands, Aleutian Islands, Alaska · 974 days ago · 7 km deep · 93 km away
  2. 1.6Rat Islands, Aleutian Islands, Alaska · 973 days ago · 9 km deep · 96 km away
  3. 2.9293 km W of Adak, Alaska · 971 days ago · 63 km deep · 15 km away
  4. 3.2Rat Islands, Aleutian Islands, Alaska · 970 days ago · 26 km deep · 37 km away
  5. 3.0Rat Islands, Aleutian Islands, Alaska · 969 days ago · 108 km deep · 73 km away
  6. 2.8279 km W of Adak, Alaska · 968 days ago · 64 km deep · 7 km away
  7. 2.3223 km WSW of Adak, Alaska · 966 days ago · 11 km deep · 57 km away
  8. 2.0204 km WSW of Adak, Alaska · 965 days ago · 13 km deep · 77 km away
  9. 2.4Rat Islands, Aleutian Islands, Alaska · 965 days ago · 18 km deep · 68 km away
  10. 1.8286 km W of Adak, Alaska · 965 days ago · 23 km deep · 8 km away
  11. 2.9250 km W of Adak, Alaska · 965 days ago · 184 km deep · 70 km away
  12. 2.0230 km WSW of Adak, Alaska · 965 days ago · 58 km deep · 48 km away
  13. 2.3228 km WSW of Adak, Alaska · 965 days ago · 13 km deep · 96 km away
  14. 3.0Rat Islands, Aleutian Islands, Alaska · 964 days ago · 35 km deep · 54 km away
  15. 2.9241 km W of Adak, Alaska · 964 days ago · 10 km deep · 54 km away
  16. 2.1Rat Islands, Aleutian Islands, Alaska · 964 days ago · 96 km deep · 70 km away
  17. 2.6267 km W of Adak, Alaska · 964 days ago · 79 km deep · 21 km away
  18. 2.1209 km WSW of Adak, Alaska · 963 days ago · 58 km deep · 68 km away
  19. 2.5181 km WSW of Adak, Alaska · 962 days ago · 79 km deep · 97 km away
  20. 2.1249 km WSW of Adak, Alaska · 962 days ago · 7 km deep · 56 km away
  21. 2.6226 km W of Adak, Alaska · 961 days ago · 19 km deep · 52 km away
  22. 2.0264 km WSW of Adak, Alaska · 961 days ago · 29 km deep · 24 km away
  23. 2.2Rat Islands, Aleutian Islands, Alaska · 961 days ago · 53 km deep · 39 km away
  24. 2.0206 km W of Adak, Alaska · 961 days ago · 68 km deep · 71 km away
  25. 1.7Rat Islands, Aleutian Islands, Alaska · 961 days ago · 16 km deep · 40 km away
  26. 1.9Rat Islands, Aleutian Islands, Alaska · 961 days ago · 7 km deep · 45 km away
  27. 1.9257 km WSW of Adak, Alaska · 961 days ago · 20 km deep · 44 km away
  28. 2.1238 km WSW of Adak, Alaska · 960 days ago · 9 km deep · 71 km away
  29. 2.8211 km W of Adak, Alaska · 960 days ago · 19 km deep · 72 km away
  30. 3.3280 km W of Adak, Alaska · 956 days ago · 176 km deep · 48 km away
  31. 3.4Rat Islands, Aleutian Islands, Alaska · 955 days ago · 84 km deep · 40 km away
  32. 1.8Rat Islands, Aleutian Islands, Alaska · 953 days ago · 8 km deep · 93 km away
  33. 2.7278 km WSW of Adak, Alaska · 952 days ago · 55 km deep · 5 km away
  34. 2.9285 km WSW of Adak, Alaska · 951 days ago · 57 km deep · 10 km away
  35. 3.0Rat Islands, Aleutian Islands, Alaska · 950 days ago · 35 km deep · 88 km away
  36. 2.9250 km W of Adak, Alaska · 950 days ago · 10 km deep · 29 km away
  37. 2.3216 km WSW of Adak, Alaska · 950 days ago · 63 km deep · 62 km away
  38. 2.6238 km W of Adak, Alaska · 949 days ago · 15 km deep · 51 km away
  39. 3.3Rat Islands, Aleutian Islands, Alaska · 949 days ago · 60 km deep · 67 km away
  40. 2.8264 km WSW of Adak, Alaska · 949 days ago · 24 km deep · 42 km away
  41. 2.8235 km WSW of Adak, Alaska · 948 days ago · 10 km deep · 73 km away
  42. 2.7245 km W of Adak, Alaska · 948 days ago · 160 km deep · 59 km away
  43. 3.3Rat Islands, Aleutian Islands, Alaska · 948 days ago · 35 km deep · 40 km away
  44. 2.6226 km W of Adak, Alaska · 946 days ago · 15 km deep · 51 km away
  45. 5.5260 km W of Adak, Alaska · 946 days ago · 120 km deep · 63 km away
  46. 2.7260 km W of Adak, Alaska · 946 days ago · 114 km deep · 45 km away
  47. 2.4210 km WSW of Adak, Alaska · 945 days ago · 11 km deep · 79 km away
  48. 2.7Rat Islands, Aleutian Islands, Alaska · 945 days ago · 104 km deep · 77 km away
  49. 2.2219 km WSW of Adak, Alaska · 945 days ago · 16 km deep · 78 km away
  50. 2.1Rat Islands, Aleutian Islands, Alaska · 944 days ago · 31 km deep · 41 km away
  51. 2.5188 km W of Adak, Alaska · 944 days ago · 10 km deep · 89 km away
  52. 4.1Rat Islands, Aleutian Islands, Alaska · 944 days ago · 121 km deep · 90 km away
  53. 3.0Rat Islands, Aleutian Islands, Alaska · 944 days ago · 135 km deep · 88 km away
  54. 2.6252 km W of Adak, Alaska · 944 days ago · 10 km deep · 26 km away
  55. 2.9249 km W of Adak, Alaska · 944 days ago · 10 km deep · 30 km away
  56. 3.8252 km W of Adak, Alaska · 943 days ago · 10 km deep · 28 km away
  57. 2.8251 km W of Adak, Alaska · 943 days ago · 10 km deep · 29 km away
  58. 2.9231 km WSW of Adak, Alaska · 942 days ago · 10 km deep · 69 km away
  59. 2.5186 km W of Adak, Alaska · 940 days ago · 134 km deep · 99 km away
  60. 2.7253 km W of Adak, Alaska · 940 days ago · 113 km deep · 48 km away

The first 60 of 102.

Before

  1. 2.2Rat Islands, Aleutian Islands, Alaska · 974 days ago · 11 km deep · 51 km away
  2. 2.0287 km W of Adak, Alaska · 974 days ago · 63 km deep · 21 km away
  3. 2.7285 km W of Adak, Alaska · 974 days ago · 30 km deep · 8 km away
  4. 4.0288 km W of Adak, Alaska · 974 days ago · 32 km deep · 10 km away
  5. 2.2Rat Islands, Aleutian Islands, Alaska · 975 days ago · 97 km deep · 74 km away
  6. 2.9265 km W of Adak, Alaska · 975 days ago · 60 km deep · 14 km away
  7. 1.7Rat Islands, Aleutian Islands, Alaska · 975 days ago · 12 km deep · 92 km away
  8. 1.6Rat Islands, Aleutian Islands, Alaska · 976 days ago · 5 km deep · 99 km away
  9. 2.1Rat Islands, Aleutian Islands, Alaska · 976 days ago · 23 km deep · 50 km away
  10. 2.1Rat Islands, Aleutian Islands, Alaska · 976 days ago · 87 km deep · 67 km away
  11. 1.5Rat Islands, Aleutian Islands, Alaska · 977 days ago · 11 km deep · 96 km away
  12. 2.6194 km WSW of Adak, Alaska · 977 days ago · 67 km deep · 84 km away
  13. 2.5271 km W of Adak, Alaska · 977 days ago · 78 km deep · 21 km away
  14. 2.1267 km WSW of Adak, Alaska · 977 days ago · 10 km deep · 18 km away
  15. 2.1Rat Islands, Aleutian Islands, Alaska · 978 days ago · 7 km deep · 92 km away
  16. 1.7Rat Islands, Aleutian Islands, Alaska · 978 days ago · 5 km deep · 91 km away
  17. 1.6Rat Islands, Aleutian Islands, Alaska · 978 days ago · 5 km deep · 91 km away
  18. 2.0Rat Islands, Aleutian Islands, Alaska · 979 days ago · 8 km deep · 95 km away
  19. 3.0212 km WSW of Adak, Alaska · 980 days ago · 35 km deep · 81 km away
  20. 2.9Rat Islands, Aleutian Islands, Alaska · 981 days ago · 26 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000m0rm (also filed as ak0241fnm7ds). Read Thu, Oct 1, 2026, 6:09 PM UTC.