Alaska earthquakes

M2.5 earthquake 71 km S of Unalaska, Alaska

A magnitude 2.5 earthquake struck 71 km S of Unalaska, Alaska on Sun, Jul 26, 2026, 4:16 PM AKDT (00:16 UTC), 59 km (37 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
2026-07-27 00:16:36 UTC
Depth
59.0 km (36.7 mi), shallow
Epicenter
53.241° N, 166.706° 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 30.4 km horizontally, 18.3 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
225°, poorly surrounded by stations
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 193 in the 60 days after this one and 65 in the 30 days before it.

After

  1. 2.356 km SW of Unalaska, Alaska · 68 days ago · 15 km deep · 34 km away
  2. 2.699 km SSW of Unalaska, Alaska · 67 days ago · 24 km deep · 29 km away
  3. 1.833 km SE of Unalaska, Alaska · 65 days ago · 79 km deep · 64 km away
  4. 2.193 km SSE of Unalaska, Alaska · 65 days ago · 18 km deep · 52 km away
  5. 2.098 km S of Unalaska, Alaska · 65 days ago · 25 km deep · 29 km away
  6. 2.597 km SSW of Unalaska, Alaska · 63 days ago · 35 km deep · 28 km away
  7. 2.190 km E of Nikolski, Alaska · 63 days ago · 39 km deep · 72 km away
  8. 1.977 km SW of Unalaska, Alaska · 63 days ago · 23 km deep · 40 km away
  9. 2.4142 km S of Unalaska, Alaska · 63 days ago · 5 km deep · 72 km away
  10. 2.194 km SSW of Unalaska, Alaska · 63 days ago · 43 km deep · 25 km away
  11. 2.390 km SSE of Akutan, Alaska · 62 days ago · 20 km deep · 96 km away
  12. 2.047 km SSE of Unalaska, Alaska · 62 days ago · 71 km deep · 45 km away
  13. 3.095 km SE of Unalaska, Alaska · 62 days ago · 30 km deep · 72 km away
  14. 1.827 km WNW of Dutch Harbor, Alaska · 61 days ago · 168 km deep · 85 km away
  15. 2.092 km E of Nikolski, Alaska · 61 days ago · 43 km deep · 69 km away
  16. 2.586 km SE of Unalaska, Alaska · 60 days ago · 20 km deep · 76 km away
  17. 2.595 km SSW of Unalaska, Alaska · 60 days ago · 39 km deep · 26 km away
  18. 2.961 km E of Nikolski, Alaska · 60 days ago · 35 km deep · 88 km away
  19. 3.085 km SSE of Akutan, Alaska · 60 days ago · 10 km deep · 100 km away
  20. 2.388 km S of Unalaska, Alaska · 59 days ago · 25 km deep · 20 km away
  21. 2.588 km S of Unalaska, Alaska · 58 days ago · 29 km deep · 17 km away
  22. 2.3100 km SSE of Akutan, Alaska · 58 days ago · 10 km deep · 89 km away
  23. 2.068 km SE of Unalaska, Alaska · 58 days ago · 31 km deep · 55 km away
  24. 1.963 km SE of Unalaska, Alaska · 57 days ago · 36 km deep · 53 km away
  25. 1.862 km SW of Unalaska, Alaska · 57 days ago · 15 km deep · 32 km away
  26. 2.2122 km SE of Unalaska, Alaska · 56 days ago · 20 km deep · 88 km away
  27. 1.962 km SSW of Unalaska, Alaska · 56 days ago · 14 km deep · 26 km away
  28. 3.167 km SE of Unalaska, Alaska · 56 days ago · 35 km deep · 68 km away
  29. 1.964 km SSW of Unalaska, Alaska · 56 days ago · 18 km deep · 19 km away
  30. 2.161 km SSW of Unalaska, Alaska · 55 days ago · 72 km deep · 19 km away
  31. 2.089 km SSE of Akutan, Alaska · 54 days ago · 16 km deep · 100 km away
  32. 2.1144 km S of Unalaska, Alaska · 54 days ago · 6 km deep · 75 km away
  33. 2.589 km E of Nikolski, Alaska · 53 days ago · 37 km deep · 74 km away
  34. 2.3138 km S of Unalaska, Alaska · 53 days ago · 1 km deep · 69 km away
  35. 2.5135 km ESE of Nikolski, Alaska · 53 days ago · 10 km deep · 80 km away
  36. 3.0131 km S of Unalaska, Alaska · 52 days ago · 16 km deep · 61 km away
  37. 2.466 km SSW of Unalaska, Alaska · 52 days ago · 34 km deep · 6 km away
  38. 1.8102 km SSW of Unalaska, Alaska · 52 days ago · 29 km deep · 33 km away
  39. 1.9141 km S of Unalaska, Alaska · 52 days ago · 20 km deep · 71 km away
  40. 1.893 km S of Unalaska, Alaska · 52 days ago · 15 km deep · 24 km away
  41. 1.742 km S of Unalaska, Alaska · 52 days ago · 69 km deep · 29 km away
  42. 1.890 km SSE of Unalaska, Alaska · 52 days ago · 18 km deep · 56 km away
  43. 1.890 km SSE of Unalaska, Alaska · 52 days ago · 20 km deep · 57 km away
  44. 1.986 km SSE of Akutan, Alaska · 51 days ago · 15 km deep · 98 km away
  45. 2.897 km SSW of Unalaska, Alaska · 51 days ago · 35 km deep · 27 km away
  46. 2.0100 km E of Nikolski, Alaska · 51 days ago · 24 km deep · 68 km away
  47. 1.972 km SSE of Akutan, Alaska · 51 days ago · 20 km deep · 89 km away
  48. 2.190 km S of Unalaska, Alaska · 51 days ago · 16 km deep · 22 km away
  49. 1.974 km SSE of Unalaska, Alaska · 50 days ago · 26 km deep · 40 km away
  50. 2.295 km SSW of Unalaska, Alaska · 50 days ago · 28 km deep · 26 km away
  51. 1.940 km SW of Unalaska, Alaska · 50 days ago · 12 km deep · 45 km away
  52. 3.292 km E of Nikolski, Alaska · 50 days ago · 35 km deep · 66 km away
  53. 2.185 km SSE of Unalaska, Alaska · 50 days ago · 12 km deep · 51 km away
  54. 3.561 km SSW of Unalaska, Alaska · 50 days ago · 10 km deep · 24 km away · felt by 5
  55. 2.059 km SSW of Unalaska, Alaska · 50 days ago · 20 km deep · 30 km away
  56. 1.986 km SSW of Unalaska, Alaska · 49 days ago · 11 km deep · 32 km away
  57. 2.286 km ESE of Nikolski, Alaska · 49 days ago · 25 km deep · 86 km away
  58. 2.287 km SE of Unalaska, Alaska · 49 days ago · 21 km deep · 74 km away
  59. 2.359 km SSW of Unalaska, Alaska · 48 days ago · 4 km deep · 28 km away
  60. 2.628 km SE of Unalaska, Alaska · 48 days ago · 74 km deep · 64 km away

The first 60 of 193.

Before

  1. 1.77 km W of Dutch Harbor, Alaska · 69 days ago · 6 km deep · 73 km away
  2. 2.152 km SSW of Unalaska, Alaska · 69 days ago · 96 km deep · 27 km away
  3. 2.171 km SSE of Unalaska, Alaska · 69 days ago · 45 km deep · 44 km away
  4. 2.874 km SSE of Akutan, Alaska · 69 days ago · 35 km deep · 100 km away
  5. 2.056 km SSW of Unalaska, Alaska · 69 days ago · 12 km deep · 26 km away
  6. 1.759 km ENE of Nikolski, Alaska · 69 days ago · 67 km deep · 89 km away
  7. 2.5113 km S of Unalaska, Alaska · 70 days ago · 20 km deep · 43 km away
  8. 2.357 km SSE of Akutan, Alaska · 74 days ago · 39 km deep · 94 km away
  9. 2.2141 km S of Unalaska, Alaska · 74 days ago · 5 km deep · 72 km away
  10. 2.5108 km SSW of Unalaska, Alaska · 76 days ago · 10 km deep · 42 km away
  11. 1.96 km W of Dutch Harbor, Alaska · 77 days ago · 10 km deep · 72 km away
  12. 2.479 km S of Unalaska, Alaska · 77 days ago · 34 km deep · 19 km away
  13. 1.719 km ESE of Unalaska, Alaska · 77 days ago · 94 km deep · 67 km away
  14. 2.585 km SSW of Unalaska, Alaska · 78 days ago · 35 km deep · 23 km away
  15. 2.6142 km S of Unalaska, Alaska · 78 days ago · 3 km deep · 73 km away
  16. 2.392 km S of Unalaska, Alaska · 78 days ago · 16 km deep · 22 km away
  17. 2.564 km SSE of Akutan, Alaska · 78 days ago · 35 km deep · 100 km away
  18. 2.052 km SSE of Unalaska, Alaska · 78 days ago · 30 km deep · 49 km away
  19. 2.070 km SE of Unalaska, Alaska · 78 days ago · 16 km deep · 56 km away
  20. 2.178 km SE of Unalaska, Alaska · 79 days ago · 26 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026osjcbv. Read Fri, Oct 2, 2026, 8:47 PM UTC.