Alaska earthquakes

M2.2 earthquake 139 km SE of Chignik, Alaska

A magnitude 2.2 earthquake struck 139 km SE of Chignik, Alaska on Sat, Jul 31, 2021, 7:27 PM AKDT (03:27 UTC), 42 km (26 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
2.2 (ml), micro
Local time
UTC
2021-08-01 03:27:11 UTC
Depth
42.2 km (26.2 mi), shallow
Epicenter
55.528° N, 156.644° 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: at least 201 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 2.0140 km SE of Perryville, Alaska · 1881 days ago · 28 km deep · 99 km away
  2. 2.3148 km SE of Perryville, Alaska · 1880 days ago · 20 km deep · 72 km away
  3. 3.0194 km SE of Perryville, Alaska · 1880 days ago · 33 km deep · 92 km away
  4. 1.995 km SE of Chignik, Alaska · 1880 days ago · 49 km deep · 56 km away
  5. 2.8126 km SE of Chignik, Alaska · 1880 days ago · 25 km deep · 13 km away
  6. 2.1114 km SE of Perryville, Alaska · 1880 days ago · 6 km deep · 83 km away
  7. 2.9164 km SE of Chignik, Alaska · 1880 days ago · 43 km deep · 43 km away
  8. 2.7145 km SE of Perryville, Alaska · 1880 days ago · 20 km deep · 78 km away
  9. 2.9161 km SE of Chignik, Alaska · 1880 days ago · 40 km deep · 22 km away
  10. 1.875 km SE of Perryville, Alaska · 1880 days ago · 21 km deep · 97 km away
  11. 2.3184 km SSE of Chignik, Alaska · 1880 days ago · 15 km deep · 71 km away
  12. 2.5138 km SE of Chignik, Alaska · 1880 days ago · 39 km deep · 24 km away
  13. 1.767 km ESE of Chignik, Alaska · 1880 days ago · 28 km deep · 75 km away
  14. 1.9130 km ESE of Chignik, Alaska · 1880 days ago · 42 km deep · 62 km away
  15. 2.0131 km SE of Chignik, Alaska · 1880 days ago · 26 km deep · 10 km away
  16. 3.4168 km SSE of Chignik, Alaska · 1880 days ago · 16 km deep · 57 km away
  17. 2.1126 km SE of Perryville, Alaska · 1880 days ago · 20 km deep · 81 km away
  18. 3.3188 km SE of Perryville, Alaska · 1880 days ago · 40 km deep · 87 km away
  19. 2.6152 km SE of Chignik, Alaska · 1880 days ago · 27 km deep · 24 km away
  20. 3.9154 km SE of Chignik, Alaska · 1880 days ago · 42 km deep · 36 km away
  21. 2.3158 km ESE of Chignik, Alaska · 1880 days ago · 39 km deep · 38 km away
  22. 2.6186 km SE of Chignik, Alaska · 1880 days ago · 27 km deep · 60 km away
  23. 2.3143 km SE of Perryville, Alaska · 1880 days ago · 26 km deep · 66 km away
  24. 2.5136 km SE of Perryville, Alaska · 1880 days ago · 9 km deep · 66 km away
  25. 2.5182 km SSE of Chignik, Alaska · 1880 days ago · 42 km deep · 66 km away
  26. 2.6197 km SE of Perryville, Alaska · 1880 days ago · 35 km deep · 94 km away
  27. 2.6170 km SE of Chignik, Alaska · 1880 days ago · 38 km deep · 32 km away
  28. 2.8163 km SE of Chignik, Alaska · 1880 days ago · 42 km deep · 25 km away
  29. 3.5155 km SSE of Chignik, Alaska · 1880 days ago · 20 km deep · 52 km away
  30. 3.3156 km SE of Chignik, Alaska · 1880 days ago · 47 km deep · 45 km away
  31. 2.4142 km SE of Chignik, Alaska · 1880 days ago · 15 km deep · 42 km away
  32. 2.1145 km SE of Perryville, Alaska · 1880 days ago · 2 km deep · 60 km away
  33. 2.3143 km SE of Perryville, Alaska · 1880 days ago · 55 km deep · 66 km away
  34. 2.6145 km ESE of Chignik, Alaska · 1880 days ago · 10 km deep · 25 km away
  35. 2.3127 km SE of Perryville, Alaska · 1880 days ago · 1 km deep · 65 km away
  36. 2.3140 km SE of Chignik, Alaska · 1879 days ago · 8 km deep · 36 km away
  37. 3.2137 km SE of Perryville, Alaska · 1879 days ago · 25 km deep · 70 km away
  38. 3.1146 km SE of Perryville, Alaska · 1879 days ago · 15 km deep · 58 km away
  39. 3.2144 km SSE of Chignik, Alaska · 1879 days ago · 10 km deep · 56 km away
  40. 2.8173 km ESE of Chignik, Alaska · 1879 days ago · 33 km deep · 46 km away
  41. 2.9168 km SE of Chignik, Alaska · 1879 days ago · 29 km deep · 30 km away
  42. 2.7122 km E of Chignik, Alaska · 1879 days ago · 35 km deep · 88 km away
  43. 3.2194 km SE of Chignik, Alaska · 1879 days ago · 21 km deep · 63 km away
  44. 1.986 km ESE of Perryville, Alaska · 1879 days ago · 12 km deep · 83 km away
  45. 3.0182 km SSW of Akhiok, Alaska · 1879 days ago · 10 km deep · 93 km away
  46. 3.3133 km SE of Perryville, Alaska · 1879 days ago · 27 km deep · 69 km away
  47. 2.9162 km ESE of Chignik, Alaska · 1879 days ago · 35 km deep · 43 km away
  48. 2.5112 km SE of Chignik, Alaska · 1879 days ago · 28 km deep · 44 km away
  49. 3.7152 km SSE of Chignik, Alaska · 1879 days ago · 19 km deep · 48 km away · felt by 1
  50. 2.7169 km SE of Chignik, Alaska · 1879 days ago · 25 km deep · 42 km away
  51. 2.9145 km SE of Perryville, Alaska · 1879 days ago · 20 km deep · 100 km away
  52. 2.5156 km ESE of Chignik, Alaska · 1878 days ago · 8 km deep · 35 km away
  53. 2.5126 km SE of Chignik, Alaska · 1878 days ago · 11 km deep · 14 km away
  54. 3.2154 km SSE of Chignik, Alaska · 1878 days ago · 21 km deep · 52 km away
  55. 3.5198 km SE of Perryville, Alaska · 1878 days ago · 33 km deep · 93 km away
  56. 2.5119 km SE of Perryville, Alaska · 1878 days ago · 28 km deep · 96 km away
  57. 2.4202 km SE of Perryville, Alaska · 1878 days ago · 17 km deep · 95 km away
  58. 2.3125 km SE of Chignik, Alaska · 1878 days ago · 25 km deep · 37 km away
  59. 2.5170 km ESE of Chignik, Alaska · 1878 days ago · 25 km deep · 47 km away
  60. 3.0141 km SE of Chignik, Alaska · 1878 days ago · 25 km deep · 16 km away

The first 60 of at least 201.

Before

  1. 1.9117 km SE of Perryville, Alaska · 1881 days ago · 13 km deep · 85 km away
  2. 2.1146 km SE of Perryville, Alaska · 1881 days ago · 40 km deep · 75 km away
  3. 2.1131 km SE of Chignik, Alaska · 1881 days ago · 29 km deep · 16 km away
  4. 2.2130 km SE of Perryville, Alaska · 1881 days ago · 24 km deep · 74 km away
  5. 2.5201 km SE of Perryville, Alaska · 1881 days ago · 28 km deep · 98 km away
  6. 2.1170 km ESE of Chignik, Alaska · 1881 days ago · 47 km deep · 49 km away
  7. 2.3125 km SE of Chignik, Alaska · 1881 days ago · 25 km deep · 15 km away
  8. 1.980 km SE of Chignik, Alaska · 1881 days ago · 10 km deep · 59 km away
  9. 2.1126 km SSE of Chignik, Alaska · 1881 days ago · 9 km deep · 56 km away
  10. 2.1159 km SE of Chignik, Alaska · 1881 days ago · 33 km deep · 49 km away
  11. 2.0142 km SSE of Chignik, Alaska · 1881 days ago · 52 km deep · 54 km away
  12. 2.3104 km SE of Perryville, Alaska · 1881 days ago · 27 km deep · 81 km away
  13. 2.0120 km SE of Perryville, Alaska · 1881 days ago · 44 km deep · 100 km away
  14. 2.6150 km SE of Perryville, Alaska · 1881 days ago · 42 km deep · 59 km away
  15. 2.3167 km SE of Chignik, Alaska · 1881 days ago · 12 km deep · 40 km away
  16. 1.9109 km SE of Perryville, Alaska · 1881 days ago · 12 km deep · 91 km away
  17. 1.974 km SSE of Chignik, Alaska · 1881 days ago · 31 km deep · 76 km away
  18. 2.0117 km SE of Perryville, Alaska · 1881 days ago · 26 km deep · 84 km away
  19. 2.6115 km ESE of Chignik, Alaska · 1881 days ago · 5 km deep · 30 km away
  20. 2.4158 km SE of Chignik, Alaska · 1881 days ago · 47 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219sbf16l. Read Thu, Sep 24, 2026, 3:40 PM UTC.