Alaska earthquakes

M2.6 earthquake 85 km S of Unalaska, Alaska

A magnitude 2.6 earthquake struck 85 km S of Unalaska, Alaska on Sun, Apr 19, 2026, 5:47 PM AKDT (01:47 UTC), 28 km (17 mi) below the surface.

A larger quake followed: M5.0 83 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
2.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2026-04-20 01:47:32 UTC
Depth
27.6 km (17.1 mi), shallow
Epicenter
53.111° N, 166.605° 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 12.4 km horizontally, 5.6 km in depth
Magnitude uncertainty
±0.20
Station coverage gap
265°, poorly surrounded by stations
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 165 in the 60 days after this one and 77 in the 30 days before it.

After

  1. 2.584 km SSW of Unalaska, Alaska · 163 days ago · 4 km deep · 43 km away
  2. 2.6145 km S of Unalaska, Alaska · 162 days ago · 27 km deep · 61 km away
  3. 2.799 km E of Nikolski, Alaska · 161 days ago · 29 km deep · 64 km away
  4. 2.229 km SSE of Unalaska, Alaska · 161 days ago · 87 km deep · 61 km away
  5. 2.888 km SE of Unalaska, Alaska · 158 days ago · 24 km deep · 61 km away
  6. 3.384 km SSW of Unalaska, Alaska · 157 days ago · 35 km deep · 19 km away
  7. 2.495 km SSW of Unalaska, Alaska · 155 days ago · 26 km deep · 23 km away
  8. 2.598 km SSW of Unalaska, Alaska · 155 days ago · 20 km deep · 22 km away
  9. 2.371 km SSE of Akutan, Alaska · 155 days ago · 44 km deep · 98 km away
  10. 1.942 km W of Dutch Harbor, Alaska · 154 days ago · 13 km deep · 89 km away
  11. 2.384 km SSW of Unalaska, Alaska · 154 days ago · 8 km deep · 38 km away
  12. 1.852 km SW of Unalaska, Alaska · 154 days ago · 85 km deep · 64 km away
  13. 2.367 km SW of Unalaska, Alaska · 153 days ago · 2 km deep · 49 km away
  14. 2.054 km SW of Unalaska, Alaska · 153 days ago · 17 km deep · 51 km away
  15. 1.67 km SSE of Unalaska, Alaska · 152 days ago · 6 km deep · 79 km away
  16. 1.96 km SSE of Unalaska, Alaska · 152 days ago · 7 km deep · 79 km away
  17. 2.357 km SSW of Unalaska, Alaska · 152 days ago · 69 km deep · 34 km away
  18. 2.960 km SE of Unalaska, Alaska · 151 days ago · 33 km deep · 63 km away
  19. 2.277 km SE of Unalaska, Alaska · 151 days ago · 18 km deep · 67 km away
  20. 2.696 km S of Unalaska, Alaska · 151 days ago · 30 km deep · 12 km away
  21. 4.778 km SSE of Akutan, Alaska · 150 days ago · 44 km deep · 81 km away
  22. 2.342 km ESE of Unalaska, Alaska · 150 days ago · 81 km deep · 81 km away
  23. 1.942 km SE of Unalaska, Alaska · 149 days ago · 74 km deep · 71 km away
  24. 2.683 km S of Unalaska, Alaska · 149 days ago · 15 km deep · 17 km away
  25. 3.588 km SSW of Unalaska, Alaska · 149 days ago · 23 km deep · 24 km away
  26. 3.265 km E of Nikolski, Alaska · 147 days ago · 35 km deep · 88 km away
  27. 2.568 km E of Nikolski, Alaska · 147 days ago · 34 km deep · 87 km away
  28. 2.594 km SSW of Unalaska, Alaska · 147 days ago · 14 km deep · 20 km away
  29. 2.283 km S of Unalaska, Alaska · 147 days ago · 28 km deep · 7 km away
  30. 2.075 km SW of Unalaska, Alaska · 146 days ago · 8 km deep · 55 km away
  31. 2.5102 km E of Nikolski, Alaska · 146 days ago · 1 km deep · 62 km away
  32. 2.311 km SSE of Unalaska, Alaska · 145 days ago · 7 km deep · 74 km away
  33. 2.110 km SSE of Unalaska, Alaska · 145 days ago · 8 km deep · 75 km away
  34. 2.9101 km SSW of Unalaska, Alaska · 145 days ago · 32 km deep · 23 km away
  35. 2.868 km ESE of Nikolski, Alaska · 145 days ago · 27 km deep · 100 km away
  36. 2.698 km SSW of Unalaska, Alaska · 145 days ago · 19 km deep · 22 km away
  37. 2.555 km SE of Unalaska, Alaska · 145 days ago · 28 km deep · 72 km away
  38. 2.2103 km SSW of Unalaska, Alaska · 144 days ago · 29 km deep · 35 km away
  39. 2.363 km SSW of Unalaska, Alaska · 143 days ago · 74 km deep · 41 km away
  40. 2.3155 km ESE of Nikolski, Alaska · 142 days ago · 35 km deep · 99 km away
  41. 2.281 km SE of Unalaska, Alaska · 142 days ago · 21 km deep · 58 km away
  42. 2.4104 km SSW of Unalaska, Alaska · 142 days ago · 17 km deep · 34 km away
  43. 2.466 km SSW of Unalaska, Alaska · 141 days ago · 1 km deep · 40 km away
  44. 2.228 km SE of Unalaska, Alaska · 140 days ago · 80 km deep · 70 km away
  45. 2.549 km SE of Unalaska, Alaska · 139 days ago · 72 km deep · 59 km away
  46. 2.888 km SSW of Unalaska, Alaska · 138 days ago · 30 km deep · 14 km away
  47. 2.980 km E of Nikolski, Alaska · 137 days ago · 21 km deep · 74 km away
  48. 2.581 km SSE of Akutan, Alaska · 136 days ago · 26 km deep · 98 km away
  49. 3.2130 km ESE of Nikolski, Alaska · 134 days ago · 10 km deep · 64 km away
  50. 2.516 km SSE of Unalaska, Alaska · 134 days ago · 103 km deep · 69 km away
  51. 2.759 km E of Nikolski, Alaska · 132 days ago · 54 km deep · 94 km away
  52. 3.615 km SE of Unalaska, Alaska · 132 days ago · 83 km deep · 74 km away
  53. 2.6149 km ESE of Nikolski, Alaska · 131 days ago · 7 km deep · 71 km away
  54. 3.398 km E of Nikolski, Alaska · 130 days ago · 35 km deep · 54 km away
  55. 2.093 km SSW of Unalaska, Alaska · 130 days ago · 26 km deep · 32 km away
  56. 3.386 km E of Nikolski, Alaska · 129 days ago · 35 km deep · 67 km away
  57. 3.359 km SSW of Unalaska, Alaska · 129 days ago · 2 km deep · 39 km away
  58. 3.062 km SSW of Unalaska, Alaska · 129 days ago · 4 km deep · 42 km away
  59. 3.762 km SSW of Unalaska, Alaska · 129 days ago · 1 km deep · 40 km away
  60. 2.356 km SW of Unalaska, Alaska · 128 days ago · 15 km deep · 48 km away

The first 60 of 165.

Before

  1. 2.732 km SSE of Unalaska, Alaska · 166 days ago · 96 km deep · 54 km away
  2. 2.3104 km ESE of Nikolski, Alaska · 167 days ago · 22 km deep · 69 km away
  3. 2.668 km ESE of Nikolski, Alaska · 168 days ago · 35 km deep · 90 km away
  4. 2.4153 km ESE of Nikolski, Alaska · 168 days ago · 23 km deep · 84 km away
  5. 2.284 km SSW of Unalaska, Alaska · 168 days ago · 12 km deep · 39 km away
  6. 2.064 km SSW of Unalaska, Alaska · 168 days ago · 61 km deep · 27 km away
  7. 2.281 km SW of Unalaska, Alaska · 168 days ago · 17 km deep · 46 km away
  8. 2.593 km S of Unalaska, Alaska · 169 days ago · 18 km deep · 11 km away
  9. 2.2101 km ESE of Nikolski, Alaska · 169 days ago · 45 km deep · 66 km away
  10. 2.130 km SW of Unalaska, Alaska · 169 days ago · 88 km deep · 62 km away
  11. 2.5105 km SSE of Unalaska, Alaska · 170 days ago · 35 km deep · 58 km away
  12. 2.286 km SSE of Akutan, Alaska · 171 days ago · 27 km deep · 87 km away
  13. 1.727 km W of Dutch Harbor, Alaska · 171 days ago · 33 km deep · 86 km away
  14. 2.185 km SE of Unalaska, Alaska · 171 days ago · 25 km deep · 74 km away
  15. 1.846 km SW of Unalaska, Alaska · 171 days ago · 87 km deep · 67 km away
  16. 1.770 km SW of Unalaska, Alaska · 172 days ago · 22 km deep · 52 km away
  17. 2.590 km SSE of Akutan, Alaska · 172 days ago · 5 km deep · 100 km away
  18. 2.665 km SE of Unalaska, Alaska · 173 days ago · 35 km deep · 64 km away
  19. 2.371 km SE of Unalaska, Alaska · 173 days ago · 19 km deep · 71 km away
  20. 2.7139 km S of Unalaska, Alaska · 173 days ago · 7 km deep · 55 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026hsfspo. Read Thu, Oct 1, 2026, 5:08 PM UTC.