Alaska earthquakes

M1.7 earthquake 21 km S of Adak, Alaska

A magnitude 1.7 earthquake struck 21 km S of Adak, Alaska on Sat, Jul 29, 2023, 10:29 AM HADT (19:29 UTC), 60 km (37 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
1.7 (ml), micro
Local time
UTC
2023-07-29 19:29:21 UTC
Depth
60.0 km (37.3 mi), shallow
Epicenter
51.688° N, 176.579° 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.

Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 138 in the 30 days before it.

After

  1. 3.758 km SSW of Adak, Alaska · 1159 days ago · 35 km deep · 41 km away
  2. 1.882 km WSW of Adak, Alaska · 1159 days ago · 68 km deep · 84 km away
  3. 1.9101 km WSW of Adak, Alaska · 1159 days ago · 38 km deep · 97 km away
  4. 1.971 km ESE of Adak, Alaska · 1159 days ago · 32 km deep · 62 km away
  5. 1.653 km S of Adak, Alaska · 1158 days ago · 26 km deep · 33 km away
  6. 1.581 km WSW of Adak, Alaska · 1158 days ago · 40 km deep · 76 km away
  7. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1158 days ago · 116 km deep · 59 km away
  8. 1.689 km WSW of Adak, Alaska · 1158 days ago · 25 km deep · 84 km away
  9. 1.660 km SE of Adak, Alaska · 1158 days ago · 26 km deep · 46 km away
  10. 1.558 km WSW of Adak, Alaska · 1158 days ago · 68 km deep · 61 km away
  11. 2.374 km ENE of Adak, Alaska · 1158 days ago · 147 km deep · 84 km away
  12. 3.975 km SSW of Adak, Alaska · 1158 days ago · 35 km deep · 61 km away
  13. 1.873 km SSW of Adak, Alaska · 1157 days ago · 27 km deep · 59 km away
  14. 2.557 km N of Adak, Alaska · 1157 days ago · 195 km deep · 78 km away
  15. 3.176 km SSE of Adak, Alaska · 1157 days ago · 20 km deep · 55 km away
  16. 1.873 km SSW of Adak, Alaska · 1157 days ago · 31 km deep · 59 km away
  17. 3.375 km SSE of Adak, Alaska · 1157 days ago · 35 km deep · 54 km away
  18. 3.470 km SSE of Adak, Alaska · 1157 days ago · 35 km deep · 50 km away
  19. 2.7Andreanof Islands, Aleutian Islands, Alaska · 1157 days ago · 35 km deep · 61 km away
  20. 2.236 km NE of Adak, Alaska · 1157 days ago · 119 km deep · 52 km away
  21. 1.768 km SSE of Adak, Alaska · 1156 days ago · 19 km deep · 47 km away
  22. 2.980 km SSE of Adak, Alaska · 1156 days ago · 35 km deep · 60 km away
  23. 1.996 km SW of Adak, Alaska · 1156 days ago · 32 km deep · 89 km away
  24. 3.183 km SSE of Adak, Alaska · 1156 days ago · 35 km deep · 62 km away
  25. 1.887 km SW of Adak, Alaska · 1156 days ago · 51 km deep · 78 km away
  26. 2.084 km WSW of Adak, Alaska · 1156 days ago · 29 km deep · 79 km away
  27. 3.285 km SSE of Adak, Alaska · 1156 days ago · 10 km deep · 65 km away
  28. 2.1Andreanof Islands, Aleutian Islands, Alaska · 1155 days ago · 54 km deep · 79 km away
  29. 2.895 km WSW of Adak, Alaska · 1155 days ago · 106 km deep · 97 km away
  30. 1.869 km SE of Adak, Alaska · 1154 days ago · 22 km deep · 51 km away
  31. 2.244 km NNW of Adak, Alaska · 1154 days ago · 137 km deep · 65 km away
  32. 3.275 km W of Atka, Alaska · 1154 days ago · 123 km deep · 100 km away
  33. 1.960 km S of Adak, Alaska · 1154 days ago · 22 km deep · 40 km away
  34. 2.566 km SE of Adak, Alaska · 1154 days ago · 35 km deep · 54 km away
  35. 1.859 km SE of Adak, Alaska · 1152 days ago · 22 km deep · 44 km away
  36. 1.738 km SSE of Adak, Alaska · 1152 days ago · 34 km deep · 19 km away
  37. 2.763 km SW of Adak, Alaska · 1152 days ago · 33 km deep · 56 km away
  38. 3.182 km SW of Adak, Alaska · 1151 days ago · 65 km deep · 77 km away
  39. 1.634 km SSE of Adak, Alaska · 1151 days ago · 41 km deep · 14 km away
  40. 1.851 km SSE of Adak, Alaska · 1151 days ago · 26 km deep · 32 km away
  41. 1.661 km ESE of Adak, Alaska · 1151 days ago · 35 km deep · 50 km away
  42. 3.071 km WSW of Adak, Alaska · 1151 days ago · 33 km deep · 67 km away
  43. 2.057 km SE of Adak, Alaska · 1151 days ago · 23 km deep · 41 km away
  44. 1.877 km W of Atka, Alaska · 1150 days ago · 82 km deep · 99 km away
  45. 1.6104 km WSW of Adak, Alaska · 1150 days ago · 38 km deep · 98 km away
  46. 1.652 km WSW of Adak, Alaska · 1150 days ago · 67 km deep · 52 km away
  47. 2.454 km E of Adak, Alaska · 1150 days ago · 75 km deep · 52 km away
  48. 1.959 km SSW of Adak, Alaska · 1149 days ago · 45 km deep · 46 km away
  49. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1149 days ago · 33 km deep · 20 km away
  50. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1148 days ago · 39 km deep · 94 km away
  51. 1.738 km E of Adak, Alaska · 1148 days ago · 82 km deep · 39 km away
  52. 1.664 km SSW of Adak, Alaska · 1147 days ago · 37 km deep · 49 km away
  53. 3.560 km S of Adak, Alaska · 1147 days ago · 35 km deep · 41 km away
  54. 1.560 km SSE of Adak, Alaska · 1147 days ago · 23 km deep · 41 km away
  55. 1.552 km S of Adak, Alaska · 1147 days ago · 24 km deep · 32 km away
  56. 2.6106 km SE of Adak, Alaska · 1147 days ago · 35 km deep · 90 km away
  57. 2.812 km S of Adak, Alaska · 1147 days ago · 13 km deep · 9 km away
  58. 1.7Andreanof Islands, Aleutian Islands, Alaska · 1147 days ago · 23 km deep · 62 km away
  59. 1.7Andreanof Islands, Aleutian Islands, Alaska · 1146 days ago · 72 km deep · 37 km away
  60. 1.761 km SE of Adak, Alaska · 1146 days ago · 26 km deep · 43 km away

The first 60 of at least 201.

Before

  1. 1.664 km SSW of Adak, Alaska · 1160 days ago · 36 km deep · 50 km away
  2. 1.540 km SW of Adak, Alaska · 1160 days ago · 59 km deep · 30 km away
  3. 2.769 km NE of Adak, Alaska · 1160 days ago · 211 km deep · 82 km away
  4. 1.780 km WSW of Adak, Alaska · 1160 days ago · 36 km deep · 74 km away
  5. 1.558 km SSE of Adak, Alaska · 1160 days ago · 23 km deep · 40 km away
  6. 1.759 km SSE of Adak, Alaska · 1160 days ago · 13 km deep · 39 km away
  7. 1.6101 km SSW of Adak, Alaska · 1160 days ago · 25 km deep · 87 km away
  8. 1.993 km WSW of Adak, Alaska · 1160 days ago · 56 km deep · 89 km away
  9. 1.563 km SE of Adak, Alaska · 1161 days ago · 22 km deep · 45 km away
  10. 1.974 km SW of Adak, Alaska · 1161 days ago · 31 km deep · 68 km away
  11. 2.0103 km WSW of Adak, Alaska · 1161 days ago · 13 km deep · 99 km away
  12. 2.055 km ENE of Adak, Alaska · 1161 days ago · 172 km deep · 65 km away
  13. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1161 days ago · 53 km deep · 63 km away
  14. 2.3Andreanof Islands, Aleutian Islands, Alaska · 1161 days ago · 207 km deep · 87 km away
  15. 1.639 km SSE of Adak, Alaska · 1161 days ago · 36 km deep · 20 km away
  16. 1.710 km NW of Adak, Alaska · 1162 days ago · 118 km deep · 30 km away
  17. 1.663 km SSW of Adak, Alaska · 1162 days ago · 24 km deep · 45 km away
  18. 1.566 km SSE of Adak, Alaska · 1162 days ago · 18 km deep · 46 km away
  19. 1.759 km W of Adak, Alaska · 1162 days ago · 92 km deep · 67 km away
  20. 2.232 km ESE of Adak, Alaska · 1162 days ago · 62 km deep · 29 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0239nmcdn7. Read Thu, Oct 1, 2026, 12:32 AM UTC.