Alaska earthquakes

M2.6 earthquake 134 km S of Adak, Alaska

A magnitude 2.6 earthquake struck 134 km S of Adak, Alaska on Tue, Jul 4, 2023, 12:48 AM HADT (09:48 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.0 173 km SSW 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
2023-07-04 09:48:00 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.670° N, 176.718° 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 · ±0.148 · 6 stations
2.4ML, 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 3.6 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
304°, poorly surrounded by stations
Stations used
13

Nearby

Within 100 km, magnitude 1.5 and up: 135 in the 60 days after this one and 67 in the 30 days before it.

After

  1. 2.288 km SW of Adak, Alaska · 1183 days ago · 26 km deep · 87 km away
  2. 1.949 km S of Adak, Alaska · 1183 days ago · 24 km deep · 86 km away
  3. 1.698 km SW of Adak, Alaska · 1183 days ago · 26 km deep · 96 km away
  4. 1.658 km SE of Adak, Alaska · 1183 days ago · 24 km deep · 94 km away
  5. 1.770 km SSW of Adak, Alaska · 1183 days ago · 46 km deep · 71 km away
  6. 1.9120 km S of Adak, Alaska · 1182 days ago · 7 km deep · 13 km away
  7. 3.152 km S of Adak, Alaska · 1182 days ago · 35 km deep · 82 km away
  8. 1.768 km SW of Adak, Alaska · 1182 days ago · 25 km deep · 98 km away
  9. 1.765 km SSE of Adak, Alaska · 1182 days ago · 5 km deep · 74 km away
  10. 2.763 km SSE of Adak, Alaska · 1182 days ago · 35 km deep · 79 km away
  11. 1.961 km SE of Adak, Alaska · 1181 days ago · 24 km deep · 98 km away
  12. 1.959 km SE of Adak, Alaska · 1181 days ago · 22 km deep · 95 km away
  13. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1181 days ago · 24 km deep · 85 km away
  14. 1.858 km SE of Adak, Alaska · 1179 days ago · 42 km deep · 95 km away
  15. 3.456 km SW of Adak, Alaska · 1179 days ago · 45 km deep · 91 km away
  16. 1.759 km SSE of Adak, Alaska · 1179 days ago · 23 km deep · 90 km away
  17. 1.567 km SSE of Adak, Alaska · 1179 days ago · 22 km deep · 72 km away
  18. 2.064 km SW of Adak, Alaska · 1179 days ago · 20 km deep · 99 km away
  19. 2.6Andreanof Islands, Aleutian Islands, Alaska · 1179 days ago · 33 km deep · 82 km away
  20. 1.861 km SSW of Adak, Alaska · 1179 days ago · 45 km deep · 85 km away
  21. 2.051 km S of Adak, Alaska · 1179 days ago · 26 km deep · 83 km away
  22. 1.770 km SSE of Adak, Alaska · 1178 days ago · 26 km deep · 69 km away
  23. 2.071 km SSE of Adak, Alaska · 1178 days ago · 20 km deep · 72 km away
  24. 1.673 km SSE of Adak, Alaska · 1178 days ago · 20 km deep · 77 km away
  25. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1178 days ago · 21 km deep · 74 km away
  26. 1.573 km SSE of Adak, Alaska · 1178 days ago · 18 km deep · 71 km away
  27. 1.8100 km SW of Adak, Alaska · 1177 days ago · 26 km deep · 90 km away
  28. 2.6Andreanof Islands, Aleutian Islands, Alaska · 1175 days ago · 35 km deep · 88 km away
  29. 3.149 km SSW of Adak, Alaska · 1175 days ago · 35 km deep · 85 km away
  30. 1.956 km SSE of Adak, Alaska · 1175 days ago · 13 km deep · 85 km away
  31. 1.761 km SSE of Adak, Alaska · 1173 days ago · 23 km deep · 90 km away
  32. 1.7166 km SSW of Adak, Alaska · 1172 days ago · 25 km deep · 41 km away
  33. 3.342 km S of Adak, Alaska · 1171 days ago · 34 km deep · 92 km away
  34. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1171 days ago · 49 km deep · 95 km away
  35. 1.668 km SW of Adak, Alaska · 1171 days ago · 26 km deep · 88 km away
  36. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1170 days ago · 19 km deep · 97 km away
  37. 1.655 km SSW of Adak, Alaska · 1169 days ago · 39 km deep · 90 km away
  38. 1.545 km SSE of Adak, Alaska · 1169 days ago · 29 km deep · 97 km away
  39. 1.942 km S of Adak, Alaska · 1169 days ago · 49 km deep · 94 km away
  40. 1.875 km S of Adak, Alaska · 1169 days ago · 19 km deep · 62 km away
  41. 1.875 km S of Adak, Alaska · 1168 days ago · 17 km deep · 63 km away
  42. 2.6162 km S of Adak, Alaska · 1168 days ago · 10 km deep · 28 km away
  43. 2.6165 km S of Adak, Alaska · 1168 days ago · 10 km deep · 32 km away
  44. 1.760 km SSW of Adak, Alaska · 1167 days ago · 23 km deep · 76 km away
  45. 1.866 km SSW of Adak, Alaska · 1167 days ago · 26 km deep · 71 km away
  46. 1.940 km S of Adak, Alaska · 1164 days ago · 35 km deep · 94 km away
  47. 1.650 km SW of Adak, Alaska · 1164 days ago · 43 km deep · 99 km away
  48. 1.889 km SW of Adak, Alaska · 1162 days ago · 36 km deep · 98 km away
  49. 1.566 km SSE of Adak, Alaska · 1162 days ago · 18 km deep · 74 km away
  50. 1.663 km SSW of Adak, Alaska · 1162 days ago · 24 km deep · 73 km away
  51. 2.1222 km S of Adak, Alaska · 1161 days ago · 12 km deep · 89 km away
  52. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1161 days ago · 16 km deep · 86 km away
  53. 1.563 km SE of Adak, Alaska · 1161 days ago · 22 km deep · 94 km away
  54. 1.6101 km SSW of Adak, Alaska · 1160 days ago · 25 km deep · 62 km away
  55. 1.759 km SSE of Adak, Alaska · 1160 days ago · 13 km deep · 78 km away
  56. 1.558 km SSE of Adak, Alaska · 1160 days ago · 23 km deep · 93 km away
  57. 1.664 km SSW of Adak, Alaska · 1160 days ago · 36 km deep · 82 km away
  58. 3.758 km SSW of Adak, Alaska · 1159 days ago · 35 km deep · 79 km away
  59. 1.653 km S of Adak, Alaska · 1158 days ago · 26 km deep · 81 km away
  60. 3.975 km SSW of Adak, Alaska · 1158 days ago · 35 km deep · 74 km away

The first 60 of 135.

Before

  1. 2.6100 km SSE of Adak, Alaska · 1185 days ago · 10 km deep · 58 km away
  2. 2.757 km SSW of Adak, Alaska · 1186 days ago · 35 km deep · 89 km away
  3. 2.3199 km SSE of Adak, Alaska · 1186 days ago · 10 km deep · 98 km away
  4. 1.561 km S of Adak, Alaska · 1186 days ago · 13 km deep · 74 km away
  5. 1.545 km SSW of Adak, Alaska · 1187 days ago · 42 km deep · 90 km away
  6. 1.856 km SSE of Adak, Alaska · 1187 days ago · 24 km deep · 86 km away
  7. 2.0115 km SW of Adak, Alaska · 1187 days ago · 25 km deep · 94 km away
  8. 2.9Andreanof Islands, Aleutian Islands, Alaska · 1187 days ago · 35 km deep · 91 km away
  9. 1.643 km SSE of Adak, Alaska · 1187 days ago · 27 km deep · 97 km away
  10. 3.261 km SSW of Adak, Alaska · 1188 days ago · 35 km deep · 81 km away
  11. 3.353 km S of Adak, Alaska · 1189 days ago · 35 km deep · 81 km away
  12. 2.4189 km SSE of Adak, Alaska · 1189 days ago · 7 km deep · 74 km away
  13. 1.8108 km SW of Adak, Alaska · 1189 days ago · 26 km deep · 95 km away
  14. 2.2184 km S of Adak, Alaska · 1189 days ago · 0 km deep · 51 km away
  15. 1.556 km SSW of Adak, Alaska · 1189 days ago · 26 km deep · 86 km away
  16. 1.559 km SSE of Adak, Alaska · 1190 days ago · 13 km deep · 92 km away
  17. 2.845 km SSW of Adak, Alaska · 1190 days ago · 35 km deep · 91 km away
  18. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1190 days ago · 22 km deep · 66 km away
  19. 3.242 km SSE of Adak, Alaska · 1190 days ago · 33 km deep · 99 km away
  20. 1.941 km SSW of Adak, Alaska · 1191 days ago · 59 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kf95 (also filed as ak0238i42ebz). Read Thu, Oct 1, 2026, 2:39 AM UTC.