Alaska earthquakes

M3.0 earthquake 61 km SSW of Atka, Alaska

A magnitude 3.0 earthquake struck 61 km SSW of Atka, Alaska on Sat, Jul 22, 2023, 8:24 AM HADT (17:24 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.2 79 km SSE of Atka, 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
3.0 (ml), minor
Local time
UTC
2023-07-22 17:24:45 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.712° N, 174.642° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

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 5.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
241°, poorly surrounded by stations
Stations used
19

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and 68 in the 30 days before it.

After

  1. 3.361 km SW of Atka, Alaska · 1164 days ago · 61 km deep · 17 km away
  2. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1164 days ago · 189 km deep · 66 km away
  3. 3.786 km ESE of Adak, Alaska · 1163 days ago · 35 km deep · 71 km away
  4. 2.167 km WSW of Atka, Alaska · 1162 days ago · 79 km deep · 41 km away
  5. 2.3Andreanof Islands, Aleutian Islands, Alaska · 1161 days ago · 207 km deep · 89 km away
  6. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1161 days ago · 53 km deep · 70 km away
  7. 2.553 km ESE of Atka, Alaska · 1161 days ago · 35 km deep · 82 km away
  8. 2.038 km ESE of Atka, Alaska · 1161 days ago · 19 km deep · 81 km away
  9. 2.055 km ENE of Adak, Alaska · 1161 days ago · 172 km deep · 96 km away
  10. 1.971 km ESE of Adak, Alaska · 1159 days ago · 32 km deep · 73 km away
  11. 1.869 km WSW of Atka, Alaska · 1159 days ago · 51 km deep · 36 km away
  12. 2.663 km S of Atka, Alaska · 1158 days ago · 10 km deep · 23 km away
  13. 2.142 km E of Atka, Alaska · 1158 days ago · 16 km deep · 87 km away
  14. 2.138 km ESE of Atka, Alaska · 1158 days ago · 16 km deep · 82 km away
  15. 1.660 km SE of Adak, Alaska · 1158 days ago · 26 km deep · 94 km away
  16. 2.5Andreanof Islands, Aleutian Islands, Alaska · 1158 days ago · 11 km deep · 72 km away
  17. 2.374 km ENE of Adak, Alaska · 1158 days ago · 147 km deep · 92 km away
  18. 2.813 km SW of Atka, Alaska · 1158 days ago · 211 km deep · 49 km away
  19. 2.760 km SSW of Atka, Alaska · 1155 days ago · 35 km deep · 9 km away
  20. 2.856 km ESE of Atka, Alaska · 1155 days ago · 35 km deep · 87 km away
  21. 2.187 km SW of Atka, Alaska · 1154 days ago · 26 km deep · 31 km away
  22. 3.275 km W of Atka, Alaska · 1154 days ago · 123 km deep · 64 km away
  23. 3.050 km W of Atka, Alaska · 1154 days ago · 143 km deep · 66 km away
  24. 3.133 km NW of Atka, Alaska · 1154 days ago · 169 km deep · 77 km away
  25. 3.046 km ESE of Atka, Alaska · 1154 days ago · 10 km deep · 75 km away
  26. 2.566 km SE of Adak, Alaska · 1154 days ago · 35 km deep · 85 km away
  27. 3.527 km SSE of Atka, Alaska · 1153 days ago · 59 km deep · 52 km away
  28. 1.859 km SE of Adak, Alaska · 1152 days ago · 22 km deep · 97 km away
  29. 3.179 km SSE of Atka, Alaska · 1151 days ago · 35 km deep · 70 km away
  30. 2.746 km SE of Atka, Alaska · 1151 days ago · 10 km deep · 73 km away
  31. 1.661 km ESE of Adak, Alaska · 1151 days ago · 35 km deep · 86 km away
  32. 2.742 km SE of Atka, Alaska · 1151 days ago · 10 km deep · 69 km away
  33. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1150 days ago · 13 km deep · 38 km away
  34. 1.877 km W of Atka, Alaska · 1150 days ago · 82 km deep · 67 km away
  35. 2.454 km E of Adak, Alaska · 1150 days ago · 75 km deep · 84 km away
  36. 3.229 km NNW of Atka, Alaska · 1150 days ago · 184 km deep · 84 km away
  37. 3.049 km ESE of Atka, Alaska · 1150 days ago · 10 km deep · 77 km away
  38. 3.0124 km SSW of Atka, Alaska · 1149 days ago · 10 km deep · 62 km away
  39. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1148 days ago · 39 km deep · 46 km away
  40. 3.368 km ESE of Atka, Alaska · 1148 days ago · 35 km deep · 95 km away
  41. 1.738 km E of Adak, Alaska · 1148 days ago · 82 km deep · 99 km away
  42. 2.6106 km SE of Adak, Alaska · 1147 days ago · 35 km deep · 87 km away
  43. 3.156 km SW of Atka, Alaska · 1147 days ago · 19 km deep · 17 km away
  44. 1.7Andreanof Islands, Aleutian Islands, Alaska · 1147 days ago · 23 km deep · 85 km away
  45. 2.822 km WNW of Atka, Alaska · 1146 days ago · 174 km deep · 64 km away
  46. 1.844 km S of Atka, Alaska · 1146 days ago · 11 km deep · 24 km away
  47. 2.137 km ESE of Atka, Alaska · 1146 days ago · 10 km deep · 77 km away
  48. 1.831 km ESE of Atka, Alaska · 1146 days ago · 8 km deep · 69 km away
  49. 1.5110 km SW of Atka, Alaska · 1146 days ago · 13 km deep · 49 km away
  50. 1.779 km WSW of Atka, Alaska · 1146 days ago · 35 km deep · 43 km away
  51. 2.841 km S of Atka, Alaska · 1146 days ago · 52 km deep · 34 km away
  52. 1.659 km SE of Adak, Alaska · 1146 days ago · 26 km deep · 96 km away
  53. 1.735 km ESE of Atka, Alaska · 1145 days ago · 12 km deep · 76 km away
  54. 2.768 km ENE of Adak, Alaska · 1145 days ago · 216 km deep · 80 km away
  55. 1.981 km WSW of Atka, Alaska · 1145 days ago · 70 km deep · 55 km away
  56. 2.842 km WSW of Atka, Alaska · 1145 days ago · 90 km deep · 44 km away
  57. 2.019 km WNW of Atka, Alaska · 1145 days ago · 137 km deep · 59 km away
  58. 2.137 km S of Atka, Alaska · 1144 days ago · 57 km deep · 33 km away
  59. 2.061 km ESE of Atka, Alaska · 1144 days ago · 43 km deep · 85 km away
  60. 3.267 km SSE of Atka, Alaska · 1144 days ago · 10 km deep · 58 km away

The first 60 of at least 200.

Before

  1. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1166 days ago · 26 km deep · 96 km away
  2. 1.767 km ESE of Adak, Alaska · 1167 days ago · 22 km deep · 79 km away
  3. 2.263 km ESE of Atka, Alaska · 1167 days ago · 22 km deep · 100 km away
  4. 3.165 km ENE of Adak, Alaska · 1167 days ago · 157 km deep · 94 km away
  5. 3.4100 km SSE of Atka, Alaska · 1169 days ago · 25 km deep · 69 km away
  6. 2.643 km W of Atka, Alaska · 1169 days ago · 15 km deep · 48 km away
  7. 3.572 km WSW of Atka, Alaska · 1169 days ago · 79 km deep · 52 km away
  8. 2.146 km SE of Atka, Alaska · 1169 days ago · 67 km deep · 69 km away
  9. 2.632 km WNW of Atka, Alaska · 1169 days ago · 159 km deep · 69 km away
  10. 1.861 km ESE of Adak, Alaska · 1169 days ago · 34 km deep · 86 km away
  11. 2.0100 km SSW of Atka, Alaska · 1171 days ago · 25 km deep · 45 km away
  12. 1.855 km SSW of Atka, Alaska · 1171 days ago · 39 km deep · 7 km away
  13. 3.336 km N of Atka, Alaska · 1171 days ago · 186 km deep · 94 km away
  14. 1.852 km SSE of Atka, Alaska · 1171 days ago · 22 km deep · 45 km away
  15. 2.666 km SE of Adak, Alaska · 1171 days ago · 35 km deep · 85 km away
  16. 3.645 km SE of Atka, Alaska · 1172 days ago · 10 km deep · 70 km away
  17. 2.769 km SE of Atka, Alaska · 1172 days ago · 10 km deep · 75 km away
  18. 1.883 km SSE of Atka, Alaska · 1172 days ago · 0 km deep · 58 km away
  19. 1.844 km ESE of Atka, Alaska · 1172 days ago · 76 km deep · 83 km away
  20. 1.585 km SW of Atka, Alaska · 1172 days ago · 47 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000kwff (also filed as ak0239c0d25p). Read Thu, Oct 1, 2026, 1:33 AM UTC.