Alaska earthquakes

M2.0 earthquake 66 km SSE of Adak, Alaska

A magnitude 2.0 earthquake struck 66 km SSE of Adak, Alaska on Sun, Aug 9, 2026, 2:21 AM HADT (11:21 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M4.1 34 km S 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
2.0 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2026-08-09 11:21:35 UTC
Depth
32.2 km (20.0 mi), shallow
Epicenter
51.340° N, 176.193° 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 10.5 km horizontally, 9.4 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
240°, poorly surrounded by stations
Stations used
14

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 since this one and 183 in the 30 days before it.

After

  1. 2.084 km SW of Adak, Alaska · 57 days ago · 23 km deep · 86 km away
  2. 2.795 km SSW of Atka, Alaska · 56 days ago · 35 km deep · 94 km away
  3. 2.071 km SE of Adak, Alaska · 56 days ago · 28 km deep · 9 km away
  4. 2.059 km SSW of Adak, Alaska · 56 days ago · 34 km deep · 58 km away
  5. 2.4120 km SSW of Adak, Alaska · 56 days ago · 24 km deep · 93 km away
  6. 2.257 km SSW of Adak, Alaska · 56 days ago · 21 km deep · 63 km away
  7. 2.054 km SSE of Adak, Alaska · 56 days ago · 27 km deep · 13 km away
  8. 2.278 km SSE of Adak, Alaska · 56 days ago · 19 km deep · 20 km away
  9. 2.272 km WSW of Atka, Alaska · 56 days ago · 77 km deep · 95 km away
  10. 2.373 km SSW of Adak, Alaska · 55 days ago · 26 km deep · 53 km away
  11. 1.866 km WSW of Adak, Alaska · 55 days ago · 73 km deep · 91 km away
  12. 1.878 km SSE of Adak, Alaska · 55 days ago · 26 km deep · 16 km away
  13. 2.496 km SW of Adak, Alaska · 55 days ago · 21 km deep · 96 km away
  14. 1.894 km SW of Adak, Alaska · 55 days ago · 21 km deep · 94 km away
  15. 1.969 km SSE of Adak, Alaska · 55 days ago · 20 km deep · 18 km away
  16. 2.187 km SW of Adak, Alaska · 55 days ago · 19 km deep · 89 km away
  17. 2.154 km SSE of Adak, Alaska · 55 days ago · 26 km deep · 13 km away
  18. 1.638 km SSE of Adak, Alaska · 55 days ago · 60 km deep · 30 km away
  19. 2.372 km SSE of Adak, Alaska · 54 days ago · 17 km deep · 6 km away
  20. 2.252 km SSW of Adak, Alaska · 54 days ago · 15 km deep · 55 km away
  21. 2.357 km SSW of Adak, Alaska · 54 days ago · 19 km deep · 59 km away
  22. 2.156 km E of Adak, Alaska · 54 days ago · 80 km deep · 58 km away
  23. 2.264 km SSW of Adak, Alaska · 54 days ago · 37 km deep · 58 km away
  24. 2.590 km SW of Atka, Alaska · 52 days ago · 114 km deep · 76 km away
  25. 2.193 km ESE of Adak, Alaska · 52 days ago · 40 km deep · 63 km away
  26. 1.759 km ESE of Adak, Alaska · 52 days ago · 66 km deep · 47 km away
  27. 2.275 km SSE of Adak, Alaska · 52 days ago · 22 km deep · 20 km away
  28. 2.050 km S of Adak, Alaska · 52 days ago · 30 km deep · 31 km away
  29. 2.385 km SSE of Adak, Alaska · 52 days ago · 16 km deep · 26 km away
  30. 2.155 km SSW of Adak, Alaska · 52 days ago · 17 km deep · 52 km away
  31. 2.033 km S of Adak, Alaska · 52 days ago · 64 km deep · 41 km away
  32. 2.633 km S of Adak, Alaska · 52 days ago · 62 km deep · 37 km away
  33. 2.240 km ESE of Adak, Alaska · 51 days ago · 74 km deep · 42 km away
  34. 2.674 km SSE of Adak, Alaska · 51 days ago · 14 km deep · 8 km away
  35. 1.875 km SW of Adak, Alaska · 51 days ago · 53 km deep · 89 km away
  36. 2.248 km SSW of Adak, Alaska · 51 days ago · 20 km deep · 48 km away
  37. 1.773 km WSW of Adak, Alaska · 51 days ago · 67 km deep · 95 km away
  38. 2.430 km N of Adak, Alaska · 51 days ago · 18 km deep · 95 km away
  39. 2.591 km SW of Atka, Alaska · 51 days ago · 35 km deep · 78 km away
  40. 2.085 km SSE of Adak, Alaska · 50 days ago · 15 km deep · 22 km away
  41. 3.455 km SSE of Adak, Alaska · 50 days ago · 23 km deep · 17 km away
  42. 2.149 km ESE of Adak, Alaska · 50 days ago · 20 km deep · 35 km away
  43. 2.273 km SE of Adak, Alaska · 48 days ago · 32 km deep · 11 km away
  44. 1.824 km SSW of Adak, Alaska · 48 days ago · 73 km deep · 51 km away
  45. 2.778 km SW of Atka, Alaska · 48 days ago · 26 km deep · 92 km away
  46. 2.4102 km SSE of Adak, Alaska · 48 days ago · 9 km deep · 38 km away
  47. 2.179 km SW of Adak, Alaska · 47 days ago · 46 km deep · 82 km away
  48. 2.273 km SE of Adak, Alaska · 47 days ago · 18 km deep · 14 km away
  49. 2.163 km SSE of Adak, Alaska · 47 days ago · 24 km deep · 4 km away
  50. 2.373 km SSE of Adak, Alaska · 47 days ago · 19 km deep · 7 km away
  51. 2.370 km SSE of Adak, Alaska · 47 days ago · 27 km deep · 6 km away
  52. 2.072 km SSW of Adak, Alaska · 47 days ago · 32 km deep · 57 km away
  53. 2.086 km SE of Adak, Alaska · 46 days ago · 19 km deep · 39 km away
  54. 1.859 km S of Adak, Alaska · 46 days ago · 32 km deep · 21 km away
  55. 2.072 km SSE of Adak, Alaska · 45 days ago · 22 km deep · 20 km away
  56. 2.280 km SSE of Adak, Alaska · 45 days ago · 17 km deep · 22 km away
  57. 2.274 km ESE of Adak, Alaska · 45 days ago · 59 km deep · 58 km away
  58. 3.470 km SSE of Adak, Alaska · 45 days ago · 7 km deep · 8 km away
  59. 2.52 km SE of Adak, Alaska · 44 days ago · 10 km deep · 65 km away
  60. 1.61 km ESE of Adak, Alaska · 44 days ago · 7 km deep · 65 km away

The first 60 of at least 202.

Before

  1. 2.172 km SSE of Adak, Alaska · 57 days ago · 18 km deep · 20 km away
  2. 1.659 km SSE of Adak, Alaska · 57 days ago · 29 km deep · 9 km away
  3. 1.979 km S of Adak, Alaska · 57 days ago · 19 km deep · 35 km away
  4. 1.874 km SSW of Adak, Alaska · 57 days ago · 26 km deep · 54 km away
  5. 1.616 km WSW of Adak, Alaska · 57 days ago · 92 km deep · 68 km away
  6. 1.992 km ESE of Adak, Alaska · 57 days ago · 23 km deep · 71 km away
  7. 2.180 km E of Adak, Alaska · 58 days ago · 8 km deep · 74 km away
  8. 2.070 km SSE of Adak, Alaska · 58 days ago · 22 km deep · 7 km away
  9. 1.961 km SSW of Adak, Alaska · 58 days ago · 33 km deep · 58 km away
  10. 1.992 km ESE of Adak, Alaska · 58 days ago · 23 km deep · 69 km away
  11. 2.667 km S of Adak, Alaska · 58 days ago · 11 km deep · 29 km away
  12. 2.374 km SE of Adak, Alaska · 58 days ago · 22 km deep · 21 km away
  13. 2.0102 km ESE of Adak, Alaska · 58 days ago · 14 km deep · 58 km away
  14. 3.066 km ESE of Adak, Alaska · 59 days ago · 35 km deep · 37 km away
  15. 2.236 km SSE of Adak, Alaska · 59 days ago · 43 km deep · 31 km away
  16. 2.168 km SE of Adak, Alaska · 59 days ago · 27 km deep · 16 km away
  17. 2.1104 km ESE of Adak, Alaska · 59 days ago · 29 km deep · 67 km away
  18. 1.881 km SSW of Adak, Alaska · 59 days ago · 26 km deep · 58 km away
  19. 2.075 km SSW of Adak, Alaska · 59 days ago · 29 km deep · 59 km away
  20. 1.969 km SSE of Adak, Alaska · 59 days ago · 21 km deep · 6 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026prfoan. Read Mon, Oct 5, 2026, 6:30 AM UTC.