Alaska earthquakes

M2.3 earthquake 140 km SE of Chignik, Alaska

A magnitude 2.3 earthquake struck 140 km SE of Chignik, Alaska on Sun, Aug 1, 2021, 8:40 PM AKDT (04:40 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M6.9 125 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
2.3 (ml), micro
Local time
UTC
2021-08-02 04:40:11 UTC
Depth
8.1 km (5.0 mi), shallow
Epicenter
55.295° N, 157.031° 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
11

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 201 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 3.2137 km SE of Perryville, Alaska · 1879 days ago · 25 km deep · 35 km away
  2. 3.1146 km SE of Perryville, Alaska · 1879 days ago · 15 km deep · 22 km away
  3. 3.2144 km SSE of Chignik, Alaska · 1879 days ago · 10 km deep · 21 km away
  4. 2.8173 km ESE of Chignik, Alaska · 1879 days ago · 33 km deep · 77 km away
  5. 2.9168 km SE of Chignik, Alaska · 1879 days ago · 29 km deep · 54 km away
  6. 3.2194 km SE of Chignik, Alaska · 1879 days ago · 21 km deep · 54 km away
  7. 1.986 km ESE of Perryville, Alaska · 1879 days ago · 12 km deep · 63 km away
  8. 2.296 km SSE of Perryville, Alaska · 1879 days ago · 33 km deep · 92 km away
  9. 3.3133 km SE of Perryville, Alaska · 1879 days ago · 27 km deep · 34 km away
  10. 2.9162 km ESE of Chignik, Alaska · 1879 days ago · 35 km deep · 78 km away
  11. 2.5112 km SE of Chignik, Alaska · 1879 days ago · 28 km deep · 28 km away
  12. 3.7152 km SSE of Chignik, Alaska · 1879 days ago · 19 km deep · 15 km away · felt by 1
  13. 2.7169 km SE of Chignik, Alaska · 1879 days ago · 25 km deep · 30 km away
  14. 2.9145 km SE of Perryville, Alaska · 1879 days ago · 20 km deep · 64 km away
  15. 2.5156 km ESE of Chignik, Alaska · 1878 days ago · 8 km deep · 70 km away
  16. 2.5126 km SE of Chignik, Alaska · 1878 days ago · 11 km deep · 42 km away
  17. 3.2154 km SSE of Chignik, Alaska · 1878 days ago · 21 km deep · 19 km away
  18. 3.5198 km SE of Perryville, Alaska · 1878 days ago · 33 km deep · 67 km away
  19. 2.5129 km SSE of Perryville, Alaska · 1878 days ago · 17 km deep · 94 km away
  20. 2.5119 km SE of Perryville, Alaska · 1878 days ago · 28 km deep · 62 km away
  21. 2.4202 km SE of Perryville, Alaska · 1878 days ago · 17 km deep · 70 km away
  22. 2.3125 km SE of Chignik, Alaska · 1878 days ago · 25 km deep · 15 km away
  23. 2.463 km SE of Perryville, Alaska · 1878 days ago · 19 km deep · 98 km away
  24. 2.5170 km ESE of Chignik, Alaska · 1878 days ago · 25 km deep · 80 km away
  25. 3.0141 km SE of Chignik, Alaska · 1878 days ago · 25 km deep · 20 km away
  26. 3.4171 km SE of Chignik, Alaska · 1878 days ago · 15 km deep · 32 km away
  27. 3.6161 km SE of Chignik, Alaska · 1878 days ago · 19 km deep · 21 km away
  28. 2.9168 km SE of Chignik, Alaska · 1878 days ago · 40 km deep · 52 km away
  29. 2.5147 km SSE of Chignik, Alaska · 1878 days ago · 37 km deep · 15 km away
  30. 2.6206 km SE of Perryville, Alaska · 1878 days ago · 8 km deep · 78 km away
  31. 2.163 km SE of Perryville, Alaska · 1878 days ago · 29 km deep · 90 km away
  32. 3.6114 km SE of Perryville, Alaska · 1878 days ago · 26 km deep · 42 km away
  33. 2.9167 km SE of Chignik, Alaska · 1877 days ago · 25 km deep · 27 km away
  34. 2.4125 km SSE of Perryville, Alaska · 1877 days ago · 24 km deep · 94 km away
  35. 2.0100 km SSE of Perryville, Alaska · 1877 days ago · 6 km deep · 88 km away
  36. 2.9157 km SE of Chignik, Alaska · 1877 days ago · 9 km deep · 32 km away
  37. 2.9129 km SE of Chignik, Alaska · 1877 days ago · 11 km deep · 38 km away
  38. 2.1139 km ESE of Chignik, Alaska · 1877 days ago · 33 km deep · 49 km away
  39. 3.0152 km SE of Chignik, Alaska · 1877 days ago · 21 km deep · 13 km away
  40. 3.3186 km SSW of Akhiok, Alaska · 1877 days ago · 1 km deep · 91 km away
  41. 3.3186 km SSW of Akhiok, Alaska · 1877 days ago · 47 km deep · 86 km away
  42. 2.4159 km SE of Chignik, Alaska · 1877 days ago · 15 km deep · 19 km away
  43. 2.260 km SE of Perryville, Alaska · 1877 days ago · 23 km deep · 93 km away
  44. 3.3145 km SE of Perryville, Alaska · 1877 days ago · 23 km deep · 23 km away
  45. 3.2215 km SE of Perryville, Alaska · 1877 days ago · 10 km deep · 77 km away
  46. 2.5134 km SE of Perryville, Alaska · 1877 days ago · 26 km deep · 48 km away
  47. 2.8184 km SE of Chignik, Alaska · 1877 days ago · 16 km deep · 68 km away
  48. 2.8199 km SE of Chignik, Alaska · 1877 days ago · 1 km deep · 60 km away
  49. 2.3144 km SE of Perryville, Alaska · 1877 days ago · 19 km deep · 54 km away
  50. 3.0149 km SE of Perryville, Alaska · 1877 days ago · 14 km deep · 46 km away
  51. 2.9207 km SE of Perryville, Alaska · 1877 days ago · 8 km deep · 73 km away
  52. 2.3146 km SE of Perryville, Alaska · 1876 days ago · 25 km deep · 59 km away
  53. 3.4146 km SE of Perryville, Alaska · 1876 days ago · 25 km deep · 47 km away
  54. 2.7143 km SE of Chignik, Alaska · 1876 days ago · 25 km deep · 7 km away
  55. 2.5140 km SE of Perryville, Alaska · 1876 days ago · 16 km deep · 43 km away
  56. 2.8186 km SSW of Akhiok, Alaska · 1876 days ago · 15 km deep · 92 km away
  57. 2.3117 km SSE of Perryville, Alaska · 1876 days ago · 14 km deep · 89 km away
  58. 2.196 km SSE of Perryville, Alaska · 1876 days ago · 20 km deep · 92 km away
  59. 2.7194 km SE of Perryville, Alaska · 1876 days ago · 19 km deep · 59 km away
  60. 2.7121 km SE of Perryville, Alaska · 1876 days ago · 21 km deep · 53 km away

The first 60 of at least 201.

Before

  1. 2.3127 km SE of Perryville, Alaska · 1880 days ago · 1 km deep · 32 km away
  2. 2.279 km SSE of Perryville, Alaska · 1880 days ago · 26 km deep · 98 km away
  3. 2.6145 km ESE of Chignik, Alaska · 1880 days ago · 10 km deep · 61 km away
  4. 2.3143 km SE of Perryville, Alaska · 1880 days ago · 55 km deep · 31 km away
  5. 2.1145 km SE of Perryville, Alaska · 1880 days ago · 2 km deep · 25 km away
  6. 2.4142 km SE of Chignik, Alaska · 1880 days ago · 15 km deep · 6 km away
  7. 3.3156 km SE of Chignik, Alaska · 1880 days ago · 47 km deep · 16 km away
  8. 1.971 km SE of Perryville, Alaska · 1880 days ago · 25 km deep · 91 km away
  9. 2.5137 km SE of Perryville, Alaska · 1880 days ago · 40 km deep · 70 km away
  10. 3.5155 km SSE of Chignik, Alaska · 1880 days ago · 20 km deep · 19 km away
  11. 2.472 km SE of Perryville, Alaska · 1880 days ago · 25 km deep · 86 km away
  12. 2.8163 km SE of Chignik, Alaska · 1880 days ago · 42 km deep · 48 km away
  13. 2.6170 km SE of Chignik, Alaska · 1880 days ago · 38 km deep · 47 km away
  14. 2.6197 km SE of Perryville, Alaska · 1880 days ago · 35 km deep · 67 km away
  15. 2.058 km SE of Perryville, Alaska · 1880 days ago · 30 km deep · 93 km away
  16. 2.5182 km SSE of Chignik, Alaska · 1880 days ago · 42 km deep · 43 km away
  17. 2.5136 km SE of Perryville, Alaska · 1880 days ago · 9 km deep · 31 km away
  18. 2.3143 km SE of Perryville, Alaska · 1880 days ago · 26 km deep · 31 km away
  19. 4.477 km SSE of Perryville, Alaska · 1880 days ago · 3 km deep · 91 km away
  20. 2.1100 km SSE of Perryville, Alaska · 1880 days ago · 25 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219tzmlmp. Read Thu, Sep 24, 2026, 3:39 PM UTC.