Alaska earthquakes

M2.1 earthquake 90 km S of Unalaska, Alaska

A magnitude 2.1 earthquake struck 90 km S of Unalaska, Alaska on Thu, Aug 13, 2026, 12:38 AM AKDT (08:38 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.0 92 km SSW of Unalaska, Alaska. This one was a foreshock.

Unalaska forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.1 (ml), micro
Local time
UTC
2026-08-13 08:38:30 UTC
Depth
16.0 km (9.9 mi), shallow
Epicenter
53.060° N, 166.575° 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 6.1 km horizontally, 6.7 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
262°, poorly surrounded by stations
Stations used
22

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 141 since this one and 71 in the 30 days before it.

After

  1. 1.974 km SSE of Unalaska, Alaska · 48 days ago · 26 km deep · 38 km away
  2. 2.295 km SSW of Unalaska, Alaska · 48 days ago · 28 km deep · 23 km away
  3. 1.940 km SW of Unalaska, Alaska · 48 days ago · 12 km deep · 67 km away
  4. 3.292 km E of Nikolski, Alaska · 48 days ago · 35 km deep · 64 km away
  5. 2.185 km SSE of Unalaska, Alaska · 48 days ago · 12 km deep · 44 km away
  6. 3.561 km SSW of Unalaska, Alaska · 48 days ago · 10 km deep · 45 km away · felt by 5
  7. 2.059 km SSW of Unalaska, Alaska · 48 days ago · 20 km deep · 51 km away
  8. 1.986 km SSW of Unalaska, Alaska · 47 days ago · 11 km deep · 43 km away
  9. 2.286 km ESE of Nikolski, Alaska · 47 days ago · 25 km deep · 81 km away
  10. 2.287 km SE of Unalaska, Alaska · 47 days ago · 21 km deep · 71 km away
  11. 2.359 km SSW of Unalaska, Alaska · 46 days ago · 4 km deep · 49 km away
  12. 2.628 km SE of Unalaska, Alaska · 46 days ago · 74 km deep · 79 km away
  13. 2.241 km SSE of Unalaska, Alaska · 46 days ago · 72 km deep · 53 km away
  14. 2.760 km SSW of Unalaska, Alaska · 46 days ago · 1 km deep · 46 km away
  15. 2.158 km SSW of Unalaska, Alaska · 46 days ago · 3 km deep · 50 km away
  16. 2.460 km SSW of Unalaska, Alaska · 46 days ago · 2 km deep · 46 km away
  17. 2.156 km SSW of Unalaska, Alaska · 46 days ago · 11 km deep · 52 km away
  18. 2.598 km SSW of Unalaska, Alaska · 46 days ago · 23 km deep · 22 km away
  19. 2.687 km S of Unalaska, Alaska · 46 days ago · 20 km deep · 5 km away
  20. 2.384 km SSE of Akutan, Alaska · 46 days ago · 17 km deep · 85 km away
  21. 1.748 km S of Akutan, Alaska · 43 days ago · 63 km deep · 95 km away
  22. 1.959 km WSW of Unalaska, Alaska · 43 days ago · 100 km deep · 76 km away
  23. 3.487 km SSW of Unalaska, Alaska · 43 days ago · 27 km deep · 20 km away
  24. 2.4134 km ESE of Nikolski, Alaska · 42 days ago · 12 km deep · 79 km away
  25. 2.187 km SE of Unalaska, Alaska · 42 days ago · 26 km deep · 77 km away
  26. 2.279 km S of Unalaska, Alaska · 42 days ago · 40 km deep · 12 km away
  27. 2.588 km SE of Unalaska, Alaska · 42 days ago · 35 km deep · 69 km away
  28. 2.3149 km ESE of Nikolski, Alaska · 41 days ago · 5 km deep · 68 km away
  29. 1.957 km SW of Unalaska, Alaska · 41 days ago · 13 km deep · 53 km away
  30. 2.057 km SW of Unalaska, Alaska · 41 days ago · 14 km deep · 54 km away
  31. 2.284 km SE of Unalaska, Alaska · 41 days ago · 17 km deep · 75 km away
  32. 2.383 km SE of Unalaska, Alaska · 41 days ago · 16 km deep · 75 km away
  33. 2.587 km SSE of Akutan, Alaska · 41 days ago · 4 km deep · 97 km away
  34. 2.188 km SSE of Akutan, Alaska · 41 days ago · 12 km deep · 89 km away
  35. 2.669 km SE of Unalaska, Alaska · 40 days ago · 27 km deep · 63 km away
  36. 2.360 km SSW of Unalaska, Alaska · 40 days ago · 2 km deep · 47 km away
  37. 2.397 km SSE of Akutan, Alaska · 40 days ago · 18 km deep · 86 km away
  38. 2.297 km SSW of Unalaska, Alaska · 39 days ago · 26 km deep · 18 km away
  39. 2.528 km S of Unalaska, Alaska · 39 days ago · 84 km deep · 62 km away
  40. 2.175 km SW of Unalaska, Alaska · 38 days ago · 10 km deep · 66 km away
  41. 2.074 km SW of Unalaska, Alaska · 38 days ago · 15 km deep · 70 km away
  42. 2.188 km SSE of Akutan, Alaska · 38 days ago · 16 km deep · 95 km away
  43. 2.6106 km SSW of Unalaska, Alaska · 38 days ago · 35 km deep · 26 km away
  44. 2.473 km SW of Unalaska, Alaska · 38 days ago · 17 km deep · 71 km away
  45. 2.152 km SSE of Unalaska, Alaska · 37 days ago · 34 km deep · 55 km away
  46. 2.574 km SSE of Unalaska, Alaska · 37 days ago · 29 km deep · 26 km away
  47. 1.584 km SW of Unalaska, Alaska · 37 days ago · 79 km deep · 73 km away
  48. 2.063 km SW of Unalaska, Alaska · 37 days ago · 20 km deep · 63 km away
  49. 2.387 km SSE of Akutan, Alaska · 36 days ago · 25 km deep · 95 km away
  50. 2.385 km SSE of Akutan, Alaska · 36 days ago · 28 km deep · 96 km away
  51. 1.625 km SSE of Unalaska, Alaska · 36 days ago · 88 km deep · 71 km away
  52. 2.5142 km ESE of Nikolski, Alaska · 36 days ago · 17 km deep · 83 km away
  53. 2.287 km SSE of Akutan, Alaska · 36 days ago · 25 km deep · 95 km away
  54. 2.3143 km S of Unalaska, Alaska · 36 days ago · 24 km deep · 53 km away
  55. 2.594 km SSW of Unalaska, Alaska · 36 days ago · 35 km deep · 36 km away
  56. 2.284 km SSE of Akutan, Alaska · 36 days ago · 28 km deep · 96 km away
  57. 1.653 km SW of Unalaska, Alaska · 36 days ago · 16 km deep · 57 km away
  58. 1.862 km SSW of Unalaska, Alaska · 36 days ago · 15 km deep · 44 km away
  59. 2.080 km S of Unalaska, Alaska · 35 days ago · 39 km deep · 11 km away
  60. 2.5102 km S of Unalaska, Alaska · 34 days ago · 17 km deep · 12 km away

The first 60 of 141.

Before

  1. 1.972 km SSE of Akutan, Alaska · 49 days ago · 20 km deep · 91 km away
  2. 2.0100 km E of Nikolski, Alaska · 49 days ago · 24 km deep · 62 km away
  3. 2.897 km SSW of Unalaska, Alaska · 49 days ago · 35 km deep · 18 km away
  4. 2.090 km SSE of Akutan, Alaska · 49 days ago · 28 km deep · 98 km away
  5. 1.986 km SSE of Akutan, Alaska · 49 days ago · 15 km deep · 96 km away
  6. 1.890 km SSE of Unalaska, Alaska · 50 days ago · 20 km deep · 48 km away
  7. 1.890 km SSE of Unalaska, Alaska · 50 days ago · 18 km deep · 48 km away
  8. 1.742 km S of Unalaska, Alaska · 50 days ago · 69 km deep · 49 km away
  9. 1.893 km S of Unalaska, Alaska · 50 days ago · 15 km deep · 3 km away
  10. 1.9141 km S of Unalaska, Alaska · 50 days ago · 20 km deep · 51 km away
  11. 1.8102 km SSW of Unalaska, Alaska · 50 days ago · 29 km deep · 29 km away
  12. 2.466 km SSW of Unalaska, Alaska · 50 days ago · 34 km deep · 28 km away
  13. 3.0131 km S of Unalaska, Alaska · 50 days ago · 16 km deep · 41 km away
  14. 2.5135 km ESE of Nikolski, Alaska · 51 days ago · 10 km deep · 64 km away
  15. 2.3138 km S of Unalaska, Alaska · 51 days ago · 1 km deep · 48 km away
  16. 2.589 km E of Nikolski, Alaska · 51 days ago · 37 km deep · 71 km away
  17. 2.1144 km S of Unalaska, Alaska · 52 days ago · 6 km deep · 54 km away
  18. 2.089 km SSE of Akutan, Alaska · 52 days ago · 16 km deep · 97 km away
  19. 2.161 km SSW of Unalaska, Alaska · 53 days ago · 72 km deep · 40 km away
  20. 1.964 km SSW of Unalaska, Alaska · 54 days ago · 18 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026pykeuo. Read Wed, Sep 30, 2026, 6:52 PM UTC.