Alaska earthquakes

M2.1 earthquake 93 km SSE of Perryville, Alaska

A magnitude 2.1 earthquake struck 93 km SSE of Perryville, Alaska on Sat, Aug 21, 2021, 4:23 AM AKDT (12:23 UTC), 30 km (19 mi) below the surface.

A larger quake followed: M2.5 110 km SSE 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
2.1 (ml), micro
Local time
UTC
2021-08-21 12:23:05 UTC
Depth
30.0 km (18.6 mi), shallow
Epicenter
55.164° N, 158.451° 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
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 188 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.5110 km SSE of Perryville, Alaska · 1858 days ago · 15 km deep · 17 km away
  2. 2.436 km SSE of Chignik, Alaska · 1858 days ago · 74 km deep · 93 km away
  3. 3.0136 km SE of Perryville, Alaska · 1858 days ago · 25 km deep · 58 km away
  4. 2.118 km ESE of Perryville, Alaska · 1858 days ago · 65 km deep · 79 km away
  5. 2.1124 km SE of Sand Point, Alaska · 1857 days ago · 12 km deep · 90 km away
  6. 2.280 km SSE of Perryville, Alaska · 1857 days ago · 25 km deep · 14 km away
  7. 2.4156 km SSE of Chignik, Alaska · 1857 days ago · 30 km deep · 86 km away
  8. 2.0112 km SSE of Perryville, Alaska · 1857 days ago · 38 km deep · 21 km away
  9. 2.4133 km SE of Perryville, Alaska · 1857 days ago · 40 km deep · 52 km away
  10. 2.867 km SSE of Perryville, Alaska · 1857 days ago · 15 km deep · 27 km away
  11. 2.068 km ESE of Sand Point, Alaska · 1856 days ago · 6 km deep · 66 km away
  12. 1.972 km ESE of Sand Point, Alaska · 1856 days ago · 7 km deep · 67 km away
  13. 2.036 km SE of Chignik, Alaska · 1856 days ago · 46 km deep · 99 km away
  14. 1.872 km ESE of Sand Point, Alaska · 1856 days ago · 8 km deep · 66 km away
  15. 2.073 km ESE of Sand Point, Alaska · 1856 days ago · 9 km deep · 68 km away
  16. 1.872 km ESE of Sand Point, Alaska · 1855 days ago · 7 km deep · 65 km away
  17. 1.673 km ESE of Sand Point, Alaska · 1855 days ago · 8 km deep · 66 km away
  18. 2.4131 km SE of Chignik, Alaska · 1855 days ago · 34 km deep · 87 km away
  19. 1.773 km ESE of Sand Point, Alaska · 1855 days ago · 8 km deep · 68 km away
  20. 1.872 km ESE of Sand Point, Alaska · 1855 days ago · 6 km deep · 66 km away
  21. 1.9105 km SE of Sand Point, Alaska · 1855 days ago · 19 km deep · 95 km away
  22. 1.871 km ESE of Sand Point, Alaska · 1855 days ago · 7 km deep · 64 km away
  23. 2.274 km ESE of Sand Point, Alaska · 1855 days ago · 7 km deep · 63 km away
  24. 3.0137 km SE of Perryville, Alaska · 1855 days ago · 18 km deep · 62 km away
  25. 4.564 km SE of Perryville, Alaska · 1855 days ago · 7 km deep · 34 km away · felt by 2
  26. 1.893 km SSE of Perryville, Alaska · 1855 days ago · 25 km deep · 2 km away
  27. 2.5130 km SE of Perryville, Alaska · 1855 days ago · 25 km deep · 43 km away
  28. 1.9103 km SSE of Chignik, Alaska · 1855 days ago · 48 km deep · 62 km away
  29. 2.196 km SSE of Perryville, Alaska · 1854 days ago · 21 km deep · 25 km away
  30. 1.665 km SE of Perryville, Alaska · 1854 days ago · 24 km deep · 33 km away
  31. 1.574 km ESE of Sand Point, Alaska · 1854 days ago · 7 km deep · 63 km away
  32. 2.1143 km SE of Perryville, Alaska · 1854 days ago · 43 km deep · 64 km away
  33. 2.275 km ESE of Sand Point, Alaska · 1854 days ago · 7 km deep · 61 km away
  34. 1.860 km SSE of Chignik, Alaska · 1854 days ago · 7 km deep · 75 km away
  35. 1.576 km ESE of Sand Point, Alaska · 1854 days ago · 5 km deep · 62 km away
  36. 1.987 km SSE of Perryville, Alaska · 1853 days ago · 25 km deep · 6 km away
  37. 2.6147 km SSE of Chignik, Alaska · 1853 days ago · 25 km deep · 87 km away
  38. 1.960 km SE of Perryville, Alaska · 1853 days ago · 27 km deep · 43 km away
  39. 2.386 km ESE of Perryville, Alaska · 1853 days ago · 3 km deep · 49 km away
  40. 1.672 km ESE of Sand Point, Alaska · 1853 days ago · 7 km deep · 70 km away
  41. 2.3132 km SE of Perryville, Alaska · 1853 days ago · 21 km deep · 46 km away
  42. 1.970 km ESE of Sand Point, Alaska · 1853 days ago · 8 km deep · 66 km away
  43. 3.5123 km SSE of Perryville, Alaska · 1852 days ago · 12 km deep · 32 km away
  44. 2.5136 km SE of Chignik, Alaska · 1852 days ago · 15 km deep · 93 km away
  45. 2.7138 km SE of Perryville, Alaska · 1852 days ago · 14 km deep · 59 km away
  46. 2.274 km SE of Perryville, Alaska · 1852 days ago · 17 km deep · 24 km away
  47. 2.679 km ESE of Sand Point, Alaska · 1852 days ago · 22 km deep · 61 km away
  48. 3.4173 km SE of Sand Point, Alaska · 1852 days ago · 17 km deep · 85 km away
  49. 2.1127 km SSE of Perryville, Alaska · 1852 days ago · 18 km deep · 46 km away
  50. 1.874 km ESE of Sand Point, Alaska · 1851 days ago · 5 km deep · 62 km away
  51. 2.387 km SSE of Chignik, Alaska · 1851 days ago · 8 km deep · 71 km away
  52. 1.980 km ESE of Sand Point, Alaska · 1851 days ago · 12 km deep · 59 km away
  53. 1.755 km SSE of Perryville, Alaska · 1851 days ago · 25 km deep · 44 km away
  54. 3.5152 km SE of Perryville, Alaska · 1851 days ago · 17 km deep · 64 km away
  55. 1.7Alaska Peninsula · 1851 days ago · 31 km deep · 39 km away
  56. 2.7144 km SE of Perryville, Alaska · 1851 days ago · 34 km deep · 74 km away
  57. 2.069 km ESE of Sand Point, Alaska · 1850 days ago · 8 km deep · 66 km away
  58. 1.762 km E of Sand Point, Alaska · 1850 days ago · 41 km deep · 69 km away
  59. 1.972 km ESE of Sand Point, Alaska · 1850 days ago · 3 km deep · 66 km away
  60. 1.872 km ESE of Sand Point, Alaska · 1850 days ago · 7 km deep · 65 km away

The first 60 of 188.

Before

  1. 1.857 km ESE of Sand Point, Alaska · 1858 days ago · 42 km deep · 74 km away
  2. 1.878 km ESE of Sand Point, Alaska · 1859 days ago · 11 km deep · 57 km away
  3. 1.876 km ESE of Sand Point, Alaska · 1859 days ago · 7 km deep · 62 km away
  4. 3.7150 km SSE of Chignik, Alaska · 1859 days ago · 7 km deep · 82 km away
  5. 1.869 km SE of Perryville, Alaska · 1859 days ago · 25 km deep · 30 km away
  6. 3.4156 km SSE of Chignik, Alaska · 1859 days ago · 13 km deep · 87 km away
  7. 2.466 km SE of Perryville, Alaska · 1859 days ago · 14 km deep · 34 km away
  8. 2.0132 km SE of Perryville, Alaska · 1859 days ago · 24 km deep · 61 km away
  9. 1.574 km S of Perryville, Alaska · 1860 days ago · 20 km deep · 42 km away
  10. 2.3120 km SSE of Perryville, Alaska · 1861 days ago · 27 km deep · 28 km away
  11. 1.8100 km SSE of Chignik, Alaska · 1861 days ago · 20 km deep · 72 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021apji08u. Read Tue, Sep 22, 2026, 8:45 PM UTC.