Alaska earthquakes

M2.5 earthquake 98 km SSW of Unalaska, Alaska

A magnitude 2.5 earthquake struck 98 km SSW of Unalaska, Alaska on Sat, Aug 15, 2026, 1:24 PM AKDT (21:24 UTC), 23 km (14 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
2.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2026-08-15 21:24:33 UTC
Depth
22.6 km (14.0 mi), shallow
Epicenter
53.012° N, 166.899° 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 7.2 km horizontally, 4.0 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
239°, poorly surrounded by stations
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 116 since this one and 78 in the 30 days before it.

After

  1. 2.687 km S of Unalaska, Alaska · 48 days ago · 20 km deep · 20 km away
  2. 1.959 km WSW of Unalaska, Alaska · 45 days ago · 100 km deep · 69 km away
  3. 3.487 km SSW of Unalaska, Alaska · 45 days ago · 27 km deep · 12 km away
  4. 2.4134 km ESE of Nikolski, Alaska · 45 days ago · 12 km deep · 67 km away
  5. 2.187 km SE of Unalaska, Alaska · 44 days ago · 26 km deep · 99 km away
  6. 2.279 km S of Unalaska, Alaska · 44 days ago · 40 km deep · 26 km away
  7. 2.588 km SE of Unalaska, Alaska · 44 days ago · 35 km deep · 91 km away
  8. 2.3149 km ESE of Nikolski, Alaska · 43 days ago · 5 km deep · 61 km away
  9. 1.957 km SW of Unalaska, Alaska · 43 days ago · 13 km deep · 50 km away
  10. 2.057 km SW of Unalaska, Alaska · 43 days ago · 14 km deep · 50 km away
  11. 2.284 km SE of Unalaska, Alaska · 43 days ago · 17 km deep · 96 km away
  12. 2.383 km SE of Unalaska, Alaska · 43 days ago · 16 km deep · 97 km away
  13. 2.159 km ESE of Nikolski, Alaska · 43 days ago · 35 km deep · 84 km away
  14. 2.669 km SE of Unalaska, Alaska · 42 days ago · 27 km deep · 83 km away
  15. 2.360 km SSW of Unalaska, Alaska · 42 days ago · 2 km deep · 44 km away
  16. 2.297 km SSW of Unalaska, Alaska · 41 days ago · 26 km deep · 4 km away
  17. 2.528 km S of Unalaska, Alaska · 41 days ago · 84 km deep · 71 km away
  18. 2.175 km SW of Unalaska, Alaska · 40 days ago · 10 km deep · 54 km away
  19. 2.074 km SW of Unalaska, Alaska · 40 days ago · 15 km deep · 59 km away
  20. 2.6106 km SSW of Unalaska, Alaska · 40 days ago · 35 km deep · 8 km away
  21. 2.473 km SW of Unalaska, Alaska · 40 days ago · 17 km deep · 60 km away
  22. 2.152 km SSE of Unalaska, Alaska · 39 days ago · 34 km deep · 73 km away
  23. 2.574 km SSE of Unalaska, Alaska · 39 days ago · 29 km deep · 47 km away
  24. 1.584 km SW of Unalaska, Alaska · 39 days ago · 79 km deep · 59 km away
  25. 2.063 km SW of Unalaska, Alaska · 39 days ago · 20 km deep · 56 km away
  26. 1.625 km SSE of Unalaska, Alaska · 38 days ago · 88 km deep · 83 km away
  27. 2.5142 km ESE of Nikolski, Alaska · 38 days ago · 17 km deep · 73 km away
  28. 2.3143 km S of Unalaska, Alaska · 38 days ago · 24 km deep · 51 km away
  29. 2.594 km SSW of Unalaska, Alaska · 38 days ago · 35 km deep · 17 km away
  30. 1.653 km SW of Unalaska, Alaska · 38 days ago · 16 km deep · 55 km away
  31. 1.862 km SSW of Unalaska, Alaska · 38 days ago · 15 km deep · 40 km away
  32. 2.080 km S of Unalaska, Alaska · 37 days ago · 39 km deep · 24 km away
  33. 2.5102 km S of Unalaska, Alaska · 36 days ago · 17 km deep · 20 km away
  34. 2.276 km SSW of Unalaska, Alaska · 36 days ago · 60 km deep · 22 km away
  35. 2.987 km S of Unalaska, Alaska · 36 days ago · 35 km deep · 13 km away
  36. 2.391 km SSW of Unalaska, Alaska · 35 days ago · 28 km deep · 8 km away
  37. 2.255 km SW of Unalaska, Alaska · 35 days ago · 5 km deep · 53 km away
  38. 2.036 km SW of Unalaska, Alaska · 34 days ago · 99 km deep · 67 km away
  39. 2.739 km ENE of Nikolski, Alaska · 34 days ago · 96 km deep · 97 km away
  40. 2.059 km SW of Unalaska, Alaska · 34 days ago · 18 km deep · 50 km away
  41. 2.8131 km S of Unalaska, Alaska · 34 days ago · 12 km deep · 42 km away
  42. 3.0134 km S of Unalaska, Alaska · 34 days ago · 10 km deep · 42 km away
  43. 2.2146 km S of Unalaska, Alaska · 34 days ago · 20 km deep · 60 km away
  44. 1.942 km SW of Unalaska, Alaska · 33 days ago · 7 km deep · 65 km away
  45. 2.7115 km S of Unalaska, Alaska · 33 days ago · 35 km deep · 42 km away
  46. 2.035 km SE of Unalaska, Alaska · 30 days ago · 82 km deep · 86 km away
  47. 2.559 km ESE of Nikolski, Alaska · 30 days ago · 35 km deep · 92 km away
  48. 2.6149 km ESE of Nikolski, Alaska · 29 days ago · 10 km deep · 58 km away
  49. 2.591 km SSW of Unalaska, Alaska · 29 days ago · 37 km deep · 9 km away
  50. 1.87 km W of Dutch Harbor, Alaska · 28 days ago · 12 km deep · 100 km away
  51. 3.073 km SE of Unalaska, Alaska · 28 days ago · 35 km deep · 95 km away
  52. 1.97 km W of Dutch Harbor, Alaska · 28 days ago · 11 km deep · 99 km away
  53. 2.259 km SSW of Unalaska, Alaska · 28 days ago · 21 km deep · 47 km away
  54. 1.68 km W of Dutch Harbor, Alaska · 27 days ago · 9 km deep · 99 km away
  55. 2.697 km S of Unalaska, Alaska · 27 days ago · 15 km deep · 18 km away
  56. 2.769 km SW of Unalaska, Alaska · 27 days ago · 73 km deep · 48 km away
  57. 2.583 km ESE of Nikolski, Alaska · 26 days ago · 1 km deep · 57 km away
  58. 2.383 km SE of Unalaska, Alaska · 26 days ago · 19 km deep · 80 km away
  59. 1.949 km SSE of Unalaska, Alaska · 26 days ago · 34 km deep · 66 km away
  60. 2.27 km W of Dutch Harbor, Alaska · 26 days ago · 10 km deep · 100 km away

The first 60 of 116.

Before

  1. 2.156 km SSW of Unalaska, Alaska · 48 days ago · 11 km deep · 49 km away
  2. 2.460 km SSW of Unalaska, Alaska · 48 days ago · 2 km deep · 43 km away
  3. 2.158 km SSW of Unalaska, Alaska · 48 days ago · 3 km deep · 47 km away
  4. 2.760 km SSW of Unalaska, Alaska · 48 days ago · 1 km deep · 43 km away
  5. 2.241 km SSE of Unalaska, Alaska · 48 days ago · 72 km deep · 67 km away
  6. 2.628 km SE of Unalaska, Alaska · 48 days ago · 74 km deep · 93 km away
  7. 2.359 km SSW of Unalaska, Alaska · 48 days ago · 4 km deep · 46 km away
  8. 2.287 km SE of Unalaska, Alaska · 49 days ago · 21 km deep · 93 km away
  9. 2.286 km ESE of Nikolski, Alaska · 49 days ago · 25 km deep · 60 km away
  10. 1.986 km SSW of Unalaska, Alaska · 49 days ago · 11 km deep · 28 km away
  11. 2.645 km ESE of Nikolski, Alaska · 50 days ago · 33 km deep · 95 km away
  12. 2.059 km SSW of Unalaska, Alaska · 50 days ago · 20 km deep · 48 km away
  13. 3.561 km SSW of Unalaska, Alaska · 50 days ago · 10 km deep · 42 km away · felt by 5
  14. 2.185 km SSE of Unalaska, Alaska · 50 days ago · 12 km deep · 67 km away
  15. 3.292 km E of Nikolski, Alaska · 50 days ago · 35 km deep · 42 km away
  16. 1.940 km SW of Unalaska, Alaska · 50 days ago · 12 km deep · 67 km away
  17. 2.295 km SSW of Unalaska, Alaska · 50 days ago · 28 km deep · 4 km away
  18. 1.974 km SSE of Unalaska, Alaska · 50 days ago · 26 km deep · 59 km away
  19. 2.190 km S of Unalaska, Alaska · 51 days ago · 16 km deep · 22 km away
  20. 2.0100 km E of Nikolski, Alaska · 51 days ago · 24 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026qdbuhc. Read Fri, Oct 2, 2026, 9:23 PM UTC.