Alaska earthquakes

M1.8 earthquake 92 km SE of Perryville, Alaska

A magnitude 1.8 earthquake struck 92 km SE of Perryville, Alaska on Sat, Aug 14, 2021, 4:21 PM AKDT (00:21 UTC), 22 km (14 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
1.8 (ml), micro
Local time
UTC
2021-08-15 00:21:32 UTC
Depth
21.8 km (13.5 mi), shallow
Epicenter
55.387° N, 158.010° 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: at least 199 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 2.3113 km SE of Perryville, Alaska · 1871 days ago · 39 km deep · 24 km away
  2. 2.3109 km SE of Perryville, Alaska · 1871 days ago · 41 km deep · 19 km away
  3. 2.5124 km SE of Perryville, Alaska · 1871 days ago · 9 km deep · 33 km away
  4. 3.0143 km SE of Perryville, Alaska · 1871 days ago · 36 km deep · 52 km away
  5. 2.5165 km SE of Perryville, Alaska · 1871 days ago · 34 km deep · 74 km away
  6. 3.0161 km SE of Perryville, Alaska · 1871 days ago · 41 km deep · 69 km away
  7. 2.4162 km SE of Chignik, Alaska · 1871 days ago · 37 km deep · 76 km away
  8. 1.947 km SSE of Chignik, Alaska · 1871 days ago · 48 km deep · 59 km away
  9. 3.0154 km SE of Chignik, Alaska · 1871 days ago · 34 km deep · 78 km away
  10. 2.0129 km SE of Chignik, Alaska · 1870 days ago · 41 km deep · 89 km away
  11. 2.4130 km SE of Perryville, Alaska · 1870 days ago · 42 km deep · 48 km away
  12. 2.0124 km SE of Perryville, Alaska · 1870 days ago · 15 km deep · 36 km away
  13. 1.767 km SE of Perryville, Alaska · 1870 days ago · 48 km deep · 27 km away
  14. 2.2125 km SE of Perryville, Alaska · 1870 days ago · 25 km deep · 35 km away
  15. 2.079 km ESE of Sand Point, Alaska · 1870 days ago · 6 km deep · 94 km away
  16. 2.281 km ESE of Perryville, Alaska · 1870 days ago · 12 km deep · 23 km away
  17. 2.084 km ESE of Sand Point, Alaska · 1870 days ago · 14 km deep · 94 km away
  18. 2.3177 km SE of Chignik, Alaska · 1870 days ago · 56 km deep · 93 km away
  19. 2.0138 km SE of Perryville, Alaska · 1870 days ago · 40 km deep · 47 km away
  20. 1.797 km SE of Chignik, Alaska · 1870 days ago · 7 km deep · 54 km away
  21. 3.3144 km SSE of Chignik, Alaska · 1870 days ago · 9 km deep · 60 km away
  22. 4.2128 km SSE of Chignik, Alaska · 1870 days ago · 33 km deep · 38 km away
  23. 2.291 km SSE of Perryville, Alaska · 1870 days ago · 20 km deep · 61 km away
  24. 2.6158 km SE of Perryville, Alaska · 1870 days ago · 43 km deep · 66 km away
  25. 2.2101 km SSE of Perryville, Alaska · 1869 days ago · 24 km deep · 43 km away
  26. 2.055 km SE of Perryville, Alaska · 1869 days ago · 3 km deep · 39 km away
  27. 2.467 km SE of Perryville, Alaska · 1869 days ago · 25 km deep · 27 km away
  28. 3.0140 km SE of Perryville, Alaska · 1869 days ago · 26 km deep · 49 km away
  29. 3.0106 km SE of Perryville, Alaska · 1869 days ago · 12 km deep · 14 km away
  30. 2.5152 km SE of Perryville, Alaska · 1869 days ago · 23 km deep · 60 km away
  31. 2.266 km SE of Perryville, Alaska · 1869 days ago · 15 km deep · 28 km away
  32. 2.665 km S of Ivanof Bay, Alaska · 1869 days ago · 33 km deep · 91 km away
  33. 3.0138 km SE of Perryville, Alaska · 1869 days ago · 5 km deep · 47 km away
  34. 2.8145 km SE of Perryville, Alaska · 1869 days ago · 21 km deep · 55 km away
  35. 2.7129 km SE of Chignik, Alaska · 1868 days ago · 13 km deep · 70 km away
  36. 1.9118 km SE of Chignik, Alaska · 1868 days ago · 18 km deep · 72 km away
  37. 2.1129 km SSE of Perryville, Alaska · 1868 days ago · 25 km deep · 49 km away
  38. 2.1134 km SE of Perryville, Alaska · 1868 days ago · 55 km deep · 42 km away
  39. 2.5125 km SE of Perryville, Alaska · 1868 days ago · 33 km deep · 33 km away
  40. 2.8113 km SSE of Perryville, Alaska · 1868 days ago · 10 km deep · 50 km away
  41. 2.661 km SE of Perryville, Alaska · 1868 days ago · 10 km deep · 31 km away
  42. 1.8100 km SSE of Chignik, Alaska · 1867 days ago · 20 km deep · 35 km away
  43. 2.1south of Alaska · 1867 days ago · 8 km deep · 95 km away
  44. 2.3120 km SSE of Perryville, Alaska · 1867 days ago · 27 km deep · 42 km away
  45. 1.574 km S of Perryville, Alaska · 1867 days ago · 20 km deep · 71 km away
  46. 2.4119 km ESE of Chignik, Alaska · 1867 days ago · 28 km deep · 85 km away
  47. 2.4south of Alaska · 1866 days ago · 25 km deep · 98 km away
  48. 2.5138 km SE of Chignik, Alaska · 1866 days ago · 24 km deep · 82 km away
  49. 2.0132 km SE of Perryville, Alaska · 1866 days ago · 24 km deep · 40 km away
  50. 2.466 km SE of Perryville, Alaska · 1866 days ago · 14 km deep · 28 km away
  51. 3.4156 km SSE of Chignik, Alaska · 1866 days ago · 13 km deep · 66 km away
  52. 1.869 km SE of Perryville, Alaska · 1865 days ago · 25 km deep · 28 km away
  53. 3.7150 km SSE of Chignik, Alaska · 1865 days ago · 7 km deep · 60 km away
  54. 1.876 km ESE of Sand Point, Alaska · 1865 days ago · 7 km deep · 96 km away
  55. 1.878 km ESE of Sand Point, Alaska · 1865 days ago · 11 km deep · 90 km away
  56. 2.193 km SSE of Perryville, Alaska · 1865 days ago · 30 km deep · 37 km away
  57. 2.5110 km SSE of Perryville, Alaska · 1865 days ago · 15 km deep · 48 km away
  58. 2.436 km SSE of Chignik, Alaska · 1864 days ago · 74 km deep · 68 km away
  59. 3.0136 km SE of Perryville, Alaska · 1864 days ago · 25 km deep · 45 km away
  60. 2.118 km ESE of Perryville, Alaska · 1864 days ago · 65 km deep · 74 km away

The first 60 of at least 199.

Before

  1. 2.1138 km SSE of Chignik, Alaska · 1872 days ago · 25 km deep · 53 km away
  2. 2.6143 km SE of Perryville, Alaska · 1872 days ago · 34 km deep · 53 km away
  3. 2.6125 km SE of Perryville, Alaska · 1872 days ago · 27 km deep · 35 km away
  4. 2.8127 km SE of Perryville, Alaska · 1872 days ago · 47 km deep · 38 km away
  5. 1.945 km SSE of Ivanof Bay, Alaska · 1872 days ago · 13 km deep · 85 km away
  6. 1.767 km SE of Perryville, Alaska · 1872 days ago · 26 km deep · 28 km away
  7. 3.9131 km SE of Perryville, Alaska · 1872 days ago · 35 km deep · 39 km away
  8. 3.1133 km SE of Perryville, Alaska · 1872 days ago · 27 km deep · 42 km away
  9. 2.2138 km SE of Perryville, Alaska · 1872 days ago · 33 km deep · 48 km away
  10. 3.0175 km SE of Perryville, Alaska · 1872 days ago · 21 km deep · 83 km away
  11. 2.5151 km SE of Perryville, Alaska · 1872 days ago · 28 km deep · 65 km away
  12. 2.6148 km SE of Perryville, Alaska · 1872 days ago · 16 km deep · 56 km away
  13. 2.8134 km SE of Perryville, Alaska · 1872 days ago · 27 km deep · 42 km away
  14. 3.3143 km SE of Perryville, Alaska · 1872 days ago · 14 km deep · 52 km away · felt by 1
  15. 3.2137 km SE of Perryville, Alaska · 1872 days ago · 24 km deep · 45 km away
  16. 4.1146 km SE of Perryville, Alaska · 1872 days ago · 15 km deep · 56 km away
  17. 3.1116 km SE of Perryville, Alaska · 1872 days ago · 27 km deep · 31 km away
  18. 2.3161 km SE of Chignik, Alaska · 1872 days ago · 25 km deep · 75 km away
  19. 2.9189 km SE of Perryville, Alaska · 1872 days ago · 36 km deep · 97 km away
  20. 2.2131 km SE of Perryville, Alaska · 1872 days ago · 20 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021aff4cnh. Read Tue, Sep 29, 2026, 11:32 AM UTC.