Alaska earthquakes

M3.3 earthquake 125 km WSW of Adak, Alaska

A magnitude 3.3 earthquake struck 125 km WSW of Adak, Alaska on Thu, Sep 14, 2023, 12:34 AM HADT (09:34 UTC), 87 km (54 mi) below the surface.

A larger quake followed: M3.9 204 km WSW of Adak, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.3 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-09-14 09:34:33 UTC
Depth
87.0 km (54.0 mi), intermediate-depth
Epicenter
51.652° N, 178.416° 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
3.3ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.077 · 22 stations
3.0ML, 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 8.8 km horizontally, 3.8 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
167°
Stations used
20

Nearby

Within 100 km, magnitude 1.5 and up: 184 in the 60 days after this one and 136 in the 30 days before it.

After

  1. 3.8209 km WSW of Adak, Alaska · 1112 days ago · 51 km deep · 87 km away
  2. 2.064 km SSW of Adak, Alaska · 1112 days ago · 46 km deep · 96 km away
  3. 2.5157 km WSW of Adak, Alaska · 1112 days ago · 10 km deep · 49 km away
  4. 2.072 km SSW of Adak, Alaska · 1112 days ago · 32 km deep · 99 km away
  5. 2.1194 km W of Adak, Alaska · 1112 days ago · 75 km deep · 70 km away
  6. 1.830 km WSW of Adak, Alaska · 1111 days ago · 13 km deep · 96 km away
  7. 2.2190 km WSW of Adak, Alaska · 1111 days ago · 13 km deep · 72 km away
  8. 1.753 km SW of Adak, Alaska · 1110 days ago · 55 km deep · 88 km away
  9. 1.8115 km WSW of Adak, Alaska · 1110 days ago · 13 km deep · 32 km away
  10. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1110 days ago · 119 km deep · 65 km away
  11. 1.836 km W of Adak, Alaska · 1110 days ago · 79 km deep · 89 km away
  12. 2.4163 km SW of Adak, Alaska · 1109 days ago · 13 km deep · 89 km away
  13. 3.1209 km WSW of Adak, Alaska · 1109 days ago · 35 km deep · 85 km away
  14. 2.1Andreanof Islands, Aleutian Islands, Alaska · 1108 days ago · 21 km deep · 73 km away
  15. 1.7213 km W of Adak, Alaska · 1108 days ago · 13 km deep · 90 km away
  16. 2.7131 km SW of Adak, Alaska · 1108 days ago · 35 km deep · 84 km away
  17. 2.6128 km WSW of Adak, Alaska · 1107 days ago · 35 km deep · 42 km away
  18. 2.1111 km WSW of Adak, Alaska · 1107 days ago · 13 km deep · 26 km away
  19. 2.954 km SW of Adak, Alaska · 1107 days ago · 65 km deep · 79 km away
  20. 2.7Andreanof Islands, Aleutian Islands, Alaska · 1107 days ago · 35 km deep · 83 km away
  21. 1.9214 km W of Adak, Alaska · 1107 days ago · 7 km deep · 91 km away
  22. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1106 days ago · 11 km deep · 25 km away
  23. 1.996 km SW of Adak, Alaska · 1106 days ago · 23 km deep · 72 km away
  24. 2.081 km SW of Adak, Alaska · 1106 days ago · 39 km deep · 65 km away
  25. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1106 days ago · 9 km deep · 24 km away
  26. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1105 days ago · 26 km deep · 78 km away
  27. 1.886 km WSW of Adak, Alaska · 1105 days ago · 38 km deep · 55 km away
  28. 3.8184 km WSW of Adak, Alaska · 1105 days ago · 61 km deep · 62 km away
  29. 2.3119 km W of Adak, Alaska · 1104 days ago · 134 km deep · 26 km away
  30. 1.8151 km WSW of Adak, Alaska · 1104 days ago · 26 km deep · 53 km away
  31. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1104 days ago · 26 km deep · 57 km away
  32. 2.0114 km W of Adak, Alaska · 1103 days ago · 68 km deep · 13 km away
  33. 1.8125 km WSW of Adak, Alaska · 1103 days ago · 54 km deep · 28 km away
  34. 3.7129 km W of Adak, Alaska · 1102 days ago · 147 km deep · 38 km away
  35. 1.761 km SW of Adak, Alaska · 1102 days ago · 44 km deep · 75 km away
  36. 2.7127 km WSW of Adak, Alaska · 1102 days ago · 10 km deep · 16 km away
  37. 1.8134 km W of Adak, Alaska · 1101 days ago · 13 km deep · 12 km away
  38. 2.6209 km W of Adak, Alaska · 1101 days ago · 171 km deep · 98 km away
  39. 1.8128 km WSW of Adak, Alaska · 1101 days ago · 15 km deep · 29 km away
  40. 1.5116 km WSW of Adak, Alaska · 1101 days ago · 51 km deep · 21 km away
  41. 1.8181 km WSW of Adak, Alaska · 1101 days ago · 56 km deep · 56 km away
  42. 1.9218 km W of Adak, Alaska · 1101 days ago · 76 km deep · 94 km away
  43. 1.8116 km SW of Adak, Alaska · 1100 days ago · 13 km deep · 50 km away
  44. 2.2122 km W of Adak, Alaska · 1100 days ago · 14 km deep · 24 km away
  45. 1.675 km SW of Adak, Alaska · 1100 days ago · 45 km deep · 67 km away
  46. 3.072 km SSW of Adak, Alaska · 1100 days ago · 35 km deep · 96 km away
  47. 2.3110 km WSW of Adak, Alaska · 1099 days ago · 7 km deep · 24 km away
  48. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1098 days ago · 41 km deep · 93 km away
  49. 1.6112 km WSW of Adak, Alaska · 1098 days ago · 13 km deep · 22 km away
  50. 1.7123 km WSW of Adak, Alaska · 1098 days ago · 14 km deep · 24 km away
  51. 1.7106 km WSW of Adak, Alaska · 1098 days ago · 11 km deep · 39 km away
  52. 3.7100 km WSW of Adak, Alaska · 1098 days ago · 82 km deep · 33 km away
  53. 2.7134 km SW of Adak, Alaska · 1098 days ago · 35 km deep · 51 km away
  54. 2.7221 km WSW of Adak, Alaska · 1097 days ago · 56 km deep · 97 km away
  55. 2.2120 km WSW of Adak, Alaska · 1097 days ago · 15 km deep · 26 km away
  56. 2.1189 km WSW of Adak, Alaska · 1096 days ago · 23 km deep · 67 km away
  57. 1.946 km SW of Adak, Alaska · 1096 days ago · 29 km deep · 92 km away
  58. 1.9129 km WSW of Adak, Alaska · 1096 days ago · 26 km deep · 42 km away
  59. 1.993 km SW of Adak, Alaska · 1096 days ago · 13 km deep · 61 km away
  60. 2.559 km WSW of Adak, Alaska · 1096 days ago · 15 km deep · 73 km away

The first 60 of 184.

Before

  1. 1.8129 km WSW of Adak, Alaska · 1113 days ago · 25 km deep · 4 km away
  2. 2.650 km WSW of Adak, Alaska · 1113 days ago · 78 km deep · 75 km away
  3. 1.7120 km SW of Adak, Alaska · 1114 days ago · 23 km deep · 49 km away
  4. 2.9144 km SW of Adak, Alaska · 1114 days ago · 35 km deep · 69 km away
  5. 1.829 km SW of Adak, Alaska · 1115 days ago · 2 km deep · 99 km away
  6. 2.0200 km W of Adak, Alaska · 1115 days ago · 88 km deep · 78 km away
  7. 2.996 km SW of Adak, Alaska · 1115 days ago · 35 km deep · 56 km away
  8. 1.6136 km WSW of Adak, Alaska · 1115 days ago · 26 km deep · 31 km away
  9. 1.672 km SW of Adak, Alaska · 1116 days ago · 39 km deep · 85 km away
  10. 1.8200 km WSW of Adak, Alaska · 1116 days ago · 26 km deep · 76 km away
  11. 2.6112 km SW of Adak, Alaska · 1116 days ago · 35 km deep · 69 km away
  12. 2.8185 km WSW of Adak, Alaska · 1116 days ago · 35 km deep · 72 km away
  13. 2.0155 km WSW of Adak, Alaska · 1116 days ago · 25 km deep · 43 km away
  14. 1.7145 km WSW of Adak, Alaska · 1116 days ago · 23 km deep · 42 km away
  15. 2.0195 km W of Adak, Alaska · 1116 days ago · 83 km deep · 72 km away
  16. 1.9145 km WSW of Adak, Alaska · 1117 days ago · 25 km deep · 40 km away
  17. 2.789 km SW of Adak, Alaska · 1117 days ago · 35 km deep · 58 km away
  18. 1.689 km WSW of Adak, Alaska · 1117 days ago · 25 km deep · 43 km away
  19. 4.0201 km WSW of Adak, Alaska · 1117 days ago · 46 km deep · 84 km away
  20. 2.7194 km W of Adak, Alaska · 1117 days ago · 100 km deep · 72 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000lbsx (also filed as ak023bt6ogbu). Read Thu, Oct 1, 2026, 8:48 AM UTC.