Alaska earthquakes

M1.6 earthquake 1 km SSW of Perryville, Alaska

A magnitude 1.6 earthquake struck 1 km SSW of Perryville, Alaska on Fri, Aug 13, 2021, 9:27 PM AKDT (05:27 UTC), 75 km (47 mi) below the surface.

A larger quake followed: M4.5 64 km SE of Perryville, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.6 (ml), micro
Local time
UTC
2021-08-14 05:27:25 UTC
Depth
75.1 km (46.7 mi), intermediate-depth
Epicenter
55.897° N, 159.157° 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.

Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 129 in the 60 days after this one and 128 in the 30 days before it.

After

  1. 1.862 km SE of Perryville, Alaska · 1871 days ago · 19 km deep · 62 km away
  2. 1.767 km SE of Perryville, Alaska · 1870 days ago · 26 km deep · 67 km away
  3. 1.945 km SSE of Ivanof Bay, Alaska · 1870 days ago · 13 km deep · 45 km away
  4. 1.892 km SE of Perryville, Alaska · 1870 days ago · 22 km deep · 92 km away
  5. 1.947 km SSE of Chignik, Alaska · 1869 days ago · 48 km deep · 70 km away
  6. 1.767 km SE of Perryville, Alaska · 1869 days ago · 48 km deep · 67 km away
  7. 2.649 km ESE of Sand Point, Alaska · 1869 days ago · 50 km deep · 83 km away
  8. 2.079 km ESE of Sand Point, Alaska · 1869 days ago · 6 km deep · 97 km away
  9. 2.281 km ESE of Perryville, Alaska · 1869 days ago · 12 km deep · 81 km away
  10. 2.291 km SSE of Perryville, Alaska · 1868 days ago · 20 km deep · 90 km away
  11. 2.2101 km SSE of Perryville, Alaska · 1868 days ago · 24 km deep · 100 km away
  12. 2.231 km N of Chignik, Alaska · 1868 days ago · 93 km deep · 91 km away
  13. 2.055 km SE of Perryville, Alaska · 1868 days ago · 3 km deep · 54 km away
  14. 2.467 km SE of Perryville, Alaska · 1868 days ago · 25 km deep · 67 km away
  15. 2.266 km SE of Perryville, Alaska · 1867 days ago · 15 km deep · 65 km away
  16. 2.665 km S of Ivanof Bay, Alaska · 1867 days ago · 33 km deep · 68 km away
  17. 2.661 km SE of Perryville, Alaska · 1866 days ago · 10 km deep · 61 km away
  18. 1.775 km ESE of Sand Point, Alaska · 1866 days ago · 6 km deep · 99 km away
  19. 1.921 km N of Chignik Lagoon, Alaska · 1865 days ago · 93 km deep · 77 km away
  20. 1.574 km S of Perryville, Alaska · 1865 days ago · 20 km deep · 73 km away
  21. 2.466 km SE of Perryville, Alaska · 1864 days ago · 14 km deep · 66 km away
  22. 1.869 km SE of Perryville, Alaska · 1864 days ago · 25 km deep · 68 km away
  23. 1.876 km ESE of Sand Point, Alaska · 1864 days ago · 7 km deep · 96 km away
  24. 1.878 km ESE of Sand Point, Alaska · 1864 days ago · 11 km deep · 90 km away
  25. 1.857 km ESE of Sand Point, Alaska · 1864 days ago · 42 km deep · 82 km away
  26. 2.193 km SSE of Perryville, Alaska · 1863 days ago · 30 km deep · 93 km away
  27. 2.436 km SSE of Chignik, Alaska · 1863 days ago · 74 km deep · 60 km away
  28. 2.118 km ESE of Perryville, Alaska · 1863 days ago · 65 km deep · 18 km away
  29. 2.046 km N of Sand Point, Alaska · 1862 days ago · 99 km deep · 89 km away
  30. 2.280 km SSE of Perryville, Alaska · 1862 days ago · 25 km deep · 80 km away
  31. 2.867 km SSE of Perryville, Alaska · 1862 days ago · 15 km deep · 66 km away
  32. 2.068 km ESE of Sand Point, Alaska · 1861 days ago · 6 km deep · 90 km away
  33. 1.972 km ESE of Sand Point, Alaska · 1861 days ago · 7 km deep · 97 km away
  34. 2.036 km SE of Chignik, Alaska · 1861 days ago · 46 km deep · 70 km away
  35. 1.872 km ESE of Sand Point, Alaska · 1861 days ago · 8 km deep · 96 km away
  36. 2.073 km ESE of Sand Point, Alaska · 1861 days ago · 9 km deep · 100 km away
  37. 1.872 km ESE of Sand Point, Alaska · 1861 days ago · 7 km deep · 94 km away
  38. 1.673 km ESE of Sand Point, Alaska · 1861 days ago · 8 km deep · 97 km away
  39. 1.773 km ESE of Sand Point, Alaska · 1860 days ago · 8 km deep · 99 km away
  40. 1.872 km ESE of Sand Point, Alaska · 1860 days ago · 6 km deep · 96 km away
  41. 1.871 km ESE of Sand Point, Alaska · 1860 days ago · 7 km deep · 89 km away
  42. 2.274 km ESE of Sand Point, Alaska · 1860 days ago · 7 km deep · 94 km away
  43. 4.564 km SE of Perryville, Alaska · 1860 days ago · 7 km deep · 64 km away · felt by 2
  44. 1.893 km SSE of Perryville, Alaska · 1860 days ago · 25 km deep · 93 km away
  45. 1.942 km ESE of Chignik, Alaska · 1860 days ago · 55 km deep · 88 km away
  46. 2.196 km SSE of Perryville, Alaska · 1860 days ago · 21 km deep · 95 km away
  47. 1.665 km SE of Perryville, Alaska · 1859 days ago · 24 km deep · 64 km away
  48. 1.574 km ESE of Sand Point, Alaska · 1859 days ago · 7 km deep · 94 km away
  49. 2.275 km ESE of Sand Point, Alaska · 1859 days ago · 7 km deep · 92 km away
  50. 1.860 km SSE of Chignik, Alaska · 1859 days ago · 7 km deep · 72 km away
  51. 1.576 km ESE of Sand Point, Alaska · 1859 days ago · 5 km deep · 96 km away
  52. 1.987 km SSE of Perryville, Alaska · 1859 days ago · 25 km deep · 87 km away
  53. 2.136 km NW of Ivanof Bay, Alaska · 1858 days ago · 151 km deep · 52 km away
  54. 1.960 km SE of Perryville, Alaska · 1858 days ago · 27 km deep · 60 km away
  55. 2.386 km ESE of Perryville, Alaska · 1858 days ago · 3 km deep · 86 km away
  56. 1.970 km ESE of Sand Point, Alaska · 1858 days ago · 8 km deep · 93 km away
  57. 2.274 km SE of Perryville, Alaska · 1857 days ago · 17 km deep · 73 km away
  58. 2.679 km ESE of Sand Point, Alaska · 1857 days ago · 22 km deep · 98 km away
  59. 1.874 km ESE of Sand Point, Alaska · 1856 days ago · 5 km deep · 92 km away
  60. 2.387 km SSE of Chignik, Alaska · 1856 days ago · 8 km deep · 98 km away

The first 60 of 129.

Before

  1. 2.472 km SSE of Chignik, Alaska · 1871 days ago · 12 km deep · 83 km away
  2. 1.838 km SE of Nelson Lagoon, Alaska · 1871 days ago · 136 km deep · 98 km away
  3. 2.665 km SE of Perryville, Alaska · 1872 days ago · 4 km deep · 65 km away
  4. 1.768 km SE of Perryville, Alaska · 1872 days ago · 22 km deep · 68 km away
  5. 2.987 km SE of Perryville, Alaska · 1872 days ago · 25 km deep · 87 km away
  6. 2.296 km SSE of Perryville, Alaska · 1872 days ago · 9 km deep · 95 km away
  7. 2.075 km ESE of Sand Point, Alaska · 1872 days ago · 8 km deep · 94 km away
  8. 2.898 km SSE of Perryville, Alaska · 1872 days ago · 6 km deep · 97 km away
  9. 1.967 km SE of Perryville, Alaska · 1872 days ago · 13 km deep · 67 km away
  10. 2.0Alaska Peninsula · 1873 days ago · 40 km deep · 61 km away
  11. 2.163 km SE of Perryville, Alaska · 1873 days ago · 15 km deep · 63 km away
  12. 2.9Alaska Peninsula · 1873 days ago · 16 km deep · 61 km away
  13. 1.960 km S of Perryville, Alaska · 1873 days ago · 26 km deep · 59 km away
  14. 2.692 km SSE of Perryville, Alaska · 1873 days ago · 13 km deep · 91 km away
  15. 2.160 km SE of Perryville, Alaska · 1873 days ago · 20 km deep · 60 km away
  16. 2.170 km SE of Perryville, Alaska · 1873 days ago · 24 km deep · 70 km away
  17. 1.859 km SSE of Perryville, Alaska · 1874 days ago · 26 km deep · 59 km away
  18. 2.261 km SE of Perryville, Alaska · 1874 days ago · 21 km deep · 61 km away
  19. 3.325 km W of Chignik Lake, Alaska · 1874 days ago · 0 km deep · 39 km away
  20. 3.372 km SE of Perryville, Alaska · 1875 days ago · 19 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021adulfwf. Read Sun, Sep 27, 2026, 11:30 PM UTC.