Alaska earthquakes

M2.6 earthquake 106 km SE of Adak, Alaska

A magnitude 2.6 earthquake struck 106 km SE of Adak, Alaska on Thu, Aug 10, 2023, 1:31 PM HADT (22:31 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.0 44 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
2.6 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-08-10 22:31:21 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.185° N, 175.562° 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
2.6ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.105 · 16 stations
2.2ML, 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 5.3 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
242°, poorly surrounded by stations
Stations used
22

Nearby

Within 100 km, magnitude 1.5 and up: 166 in the 60 days after this one and 90 in the 30 days before it.

After

  1. 2.812 km S of Adak, Alaska · 1149 days ago · 13 km deep · 97 km away
  2. 3.156 km SW of Atka, Alaska · 1149 days ago · 19 km deep · 90 km away
  3. 1.7Andreanof Islands, Aleutian Islands, Alaska · 1149 days ago · 23 km deep · 31 km away
  4. 1.7Andreanof Islands, Aleutian Islands, Alaska · 1149 days ago · 72 km deep · 84 km away
  5. 1.761 km SE of Adak, Alaska · 1148 days ago · 26 km deep · 48 km away
  6. 1.5110 km SW of Atka, Alaska · 1148 days ago · 13 km deep · 38 km away
  7. 1.779 km WSW of Atka, Alaska · 1148 days ago · 35 km deep · 79 km away
  8. 1.568 km SSE of Adak, Alaska · 1148 days ago · 20 km deep · 52 km away
  9. 1.659 km SE of Adak, Alaska · 1148 days ago · 26 km deep · 48 km away
  10. 1.647 km SSW of Adak, Alaska · 1148 days ago · 37 km deep · 95 km away
  11. 2.768 km ENE of Adak, Alaska · 1148 days ago · 216 km deep · 95 km away
  12. 1.544 km SSW of Adak, Alaska · 1147 days ago · 40 km deep · 92 km away
  13. 1.566 km SSE of Adak, Alaska · 1147 days ago · 22 km deep · 58 km away
  14. 1.981 km WSW of Atka, Alaska · 1147 days ago · 70 km deep · 88 km away
  15. 1.614 km E of Adak, Alaska · 1146 days ago · 113 km deep · 98 km away
  16. 3.488 km ESE of Adak, Alaska · 1146 days ago · 35 km deep · 45 km away
  17. 1.591 km SW of Atka, Alaska · 1146 days ago · 32 km deep · 55 km away
  18. 1.559 km SE of Adak, Alaska · 1146 days ago · 25 km deep · 47 km away
  19. 1.995 km S of Atka, Alaska · 1145 days ago · 26 km deep · 84 km away
  20. 2.646 km SSE of Adak, Alaska · 1144 days ago · 37 km deep · 67 km away
  21. 2.175 km ESE of Adak, Alaska · 1144 days ago · 25 km deep · 43 km away
  22. 1.771 km SW of Atka, Alaska · 1143 days ago · 26 km deep · 75 km away
  23. 2.968 km SE of Adak, Alaska · 1143 days ago · 35 km deep · 39 km away
  24. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1142 days ago · 25 km deep · 55 km away
  25. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1142 days ago · 19 km deep · 42 km away
  26. 1.655 km SW of Atka, Alaska · 1142 days ago · 41 km deep · 91 km away
  27. 1.562 km ESE of Adak, Alaska · 1141 days ago · 59 km deep · 60 km away
  28. 1.8133 km S of Atka, Alaska · 1141 days ago · 5 km deep · 100 km away
  29. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1141 days ago · 25 km deep · 76 km away
  30. 3.669 km SE of Adak, Alaska · 1141 days ago · 35 km deep · 39 km away
  31. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1141 days ago · 14 km deep · 36 km away
  32. 2.458 km E of Adak, Alaska · 1141 days ago · 196 km deep · 75 km away
  33. 1.978 km ESE of Adak, Alaska · 1141 days ago · 26 km deep · 35 km away
  34. 1.552 km SSW of Adak, Alaska · 1140 days ago · 32 km deep · 96 km away
  35. 3.7Andreanof Islands, Aleutian Islands, Alaska · 1140 days ago · 35 km deep · 45 km away
  36. 2.899 km ESE of Adak, Alaska · 1140 days ago · 35 km deep · 41 km away
  37. 1.753 km SSE of Adak, Alaska · 1140 days ago · 25 km deep · 61 km away
  38. 2.860 km SE of Adak, Alaska · 1140 days ago · 35 km deep · 46 km away
  39. 1.652 km SE of Adak, Alaska · 1139 days ago · 24 km deep · 55 km away
  40. 1.654 km SSE of Adak, Alaska · 1139 days ago · 29 km deep · 56 km away
  41. 2.063 km SW of Atka, Alaska · 1139 days ago · 52 km deep · 84 km away
  42. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1138 days ago · 16 km deep · 66 km away
  43. 1.862 km SE of Adak, Alaska · 1137 days ago · 26 km deep · 44 km away
  44. 1.548 km S of Adak, Alaska · 1137 days ago · 31 km deep · 73 km away
  45. 1.9146 km SSE of Adak, Alaska · 1137 days ago · 26 km deep · 57 km away
  46. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1136 days ago · 26 km deep · 46 km away
  47. 2.963 km SE of Adak, Alaska · 1136 days ago · 35 km deep · 44 km away
  48. 1.682 km WSW of Atka, Alaska · 1136 days ago · 67 km deep · 87 km away
  49. 1.759 km SE of Adak, Alaska · 1136 days ago · 26 km deep · 48 km away
  50. 1.625 km S of Adak, Alaska · 1136 days ago · 68 km deep · 90 km away
  51. 1.889 km SW of Atka, Alaska · 1136 days ago · 26 km deep · 57 km away
  52. 1.650 km SSW of Atka, Alaska · 1136 days ago · 53 km deep · 100 km away
  53. 1.580 km SSE of Adak, Alaska · 1135 days ago · 26 km deep · 50 km away
  54. 1.861 km SSE of Adak, Alaska · 1135 days ago · 15 km deep · 61 km away
  55. 2.587 km SSW of Atka, Alaska · 1134 days ago · 35 km deep · 73 km away
  56. 2.037 km ESE of Adak, Alaska · 1134 days ago · 62 km deep · 74 km away
  57. 1.640 km S of Adak, Alaska · 1134 days ago · 33 km deep · 85 km away
  58. 1.858 km ENE of Adak, Alaska · 1134 days ago · 93 km deep · 90 km away
  59. 2.760 km SE of Adak, Alaska · 1134 days ago · 35 km deep · 46 km away
  60. 1.883 km ESE of Adak, Alaska · 1133 days ago · 24 km deep · 47 km away

The first 60 of 166.

Before

  1. 1.552 km S of Adak, Alaska · 1149 days ago · 24 km deep · 69 km away
  2. 1.560 km SSE of Adak, Alaska · 1149 days ago · 23 km deep · 51 km away
  3. 3.560 km S of Adak, Alaska · 1149 days ago · 35 km deep · 88 km away
  4. 1.738 km E of Adak, Alaska · 1150 days ago · 82 km deep · 81 km away
  5. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1150 days ago · 39 km deep · 44 km away
  6. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1151 days ago · 33 km deep · 70 km away
  7. 3.0124 km SSW of Atka, Alaska · 1151 days ago · 10 km deep · 31 km away
  8. 2.454 km E of Adak, Alaska · 1152 days ago · 75 km deep · 73 km away
  9. 2.5156 km S of Atka, Alaska · 1152 days ago · 10 km deep · 79 km away
  10. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1153 days ago · 13 km deep · 85 km away
  11. 2.057 km SE of Adak, Alaska · 1153 days ago · 23 km deep · 50 km away
  12. 1.661 km ESE of Adak, Alaska · 1153 days ago · 35 km deep · 50 km away
  13. 1.851 km SSE of Adak, Alaska · 1153 days ago · 26 km deep · 59 km away
  14. 1.634 km SSE of Adak, Alaska · 1153 days ago · 41 km deep · 76 km away
  15. 2.6150 km SSE of Adak, Alaska · 1154 days ago · 10 km deep · 51 km away
  16. 2.9137 km SE of Adak, Alaska · 1154 days ago · 10 km deep · 34 km away
  17. 1.738 km SSE of Adak, Alaska · 1154 days ago · 34 km deep · 71 km away
  18. 1.859 km SE of Adak, Alaska · 1155 days ago · 22 km deep · 47 km away
  19. 2.566 km SE of Adak, Alaska · 1156 days ago · 35 km deep · 43 km away
  20. 1.960 km S of Adak, Alaska · 1156 days ago · 22 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kqte (also filed as ak023a7il9wx). Read Sat, Oct 3, 2026, 3:11 AM UTC.