Alaska earthquakes

M2.1 earthquake 177 km SE of Chignik, Alaska

A magnitude 2.1 earthquake struck 177 km SE of Chignik, Alaska on Sat, Jul 31, 2021, 8:23 AM AKDT (16:23 UTC), 37 km (23 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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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
2021-07-31 16:23:06 UTC
Depth
36.9 km (22.9 mi), shallow
Epicenter
55.361° N, 156.102° 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
14

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. 4.2130 km ESE of Chignik, Alaska · 1886 days ago · 39 km deep · 81 km away
  2. 3.0167 km SE of Perryville, Alaska · 1886 days ago · 17 km deep · 90 km away
  3. 2.3147 km SE of Perryville, Alaska · 1886 days ago · 25 km deep · 89 km away
  4. 2.5172 km SSW of Akhiok, Alaska · 1886 days ago · 47 km deep · 41 km away
  5. 2.4158 km SE of Chignik, Alaska · 1886 days ago · 47 km deep · 23 km away
  6. 2.6115 km ESE of Chignik, Alaska · 1886 days ago · 5 km deep · 64 km away
  7. 2.3167 km SE of Chignik, Alaska · 1886 days ago · 12 km deep · 41 km away
  8. 2.6150 km SE of Perryville, Alaska · 1886 days ago · 42 km deep · 77 km away
  9. 2.0142 km SSE of Chignik, Alaska · 1886 days ago · 52 km deep · 75 km away
  10. 2.1159 km SE of Chignik, Alaska · 1886 days ago · 33 km deep · 59 km away
  11. 2.1126 km SSE of Chignik, Alaska · 1886 days ago · 9 km deep · 84 km away
  12. 1.980 km SE of Chignik, Alaska · 1886 days ago · 10 km deep · 97 km away
  13. 2.3125 km SE of Chignik, Alaska · 1886 days ago · 25 km deep · 54 km away
  14. 2.1170 km ESE of Chignik, Alaska · 1886 days ago · 47 km deep · 37 km away
  15. 2.5201 km SE of Perryville, Alaska · 1886 days ago · 28 km deep · 92 km away
  16. 2.2130 km SE of Perryville, Alaska · 1886 days ago · 24 km deep · 97 km away
  17. 2.1131 km SE of Chignik, Alaska · 1886 days ago · 29 km deep · 51 km away
  18. 2.1146 km SE of Perryville, Alaska · 1886 days ago · 40 km deep · 93 km away
  19. 2.2139 km SE of Chignik, Alaska · 1886 days ago · 42 km deep · 39 km away
  20. 2.3148 km SE of Perryville, Alaska · 1886 days ago · 20 km deep · 89 km away
  21. 3.0194 km SE of Perryville, Alaska · 1886 days ago · 33 km deep · 88 km away
  22. 1.995 km SE of Chignik, Alaska · 1886 days ago · 49 km deep · 94 km away
  23. 2.8126 km SE of Chignik, Alaska · 1886 days ago · 25 km deep · 51 km away
  24. 2.9164 km SE of Chignik, Alaska · 1886 days ago · 43 km deep · 47 km away
  25. 2.7145 km SE of Perryville, Alaska · 1886 days ago · 20 km deep · 96 km away
  26. 2.9161 km SE of Chignik, Alaska · 1886 days ago · 40 km deep · 17 km away
  27. 2.3184 km SSE of Chignik, Alaska · 1886 days ago · 15 km deep · 69 km away
  28. 4.3206 km SSW of Akhiok, Alaska · 1886 days ago · 34 km deep · 71 km away
  29. 2.5138 km SE of Chignik, Alaska · 1886 days ago · 39 km deep · 51 km away
  30. 1.9130 km ESE of Chignik, Alaska · 1886 days ago · 42 km deep · 79 km away
  31. 2.0131 km SE of Chignik, Alaska · 1886 days ago · 26 km deep · 48 km away
  32. 3.4168 km SSE of Chignik, Alaska · 1886 days ago · 16 km deep · 62 km away
  33. 3.3188 km SE of Perryville, Alaska · 1885 days ago · 40 km deep · 85 km away
  34. 2.6152 km SE of Chignik, Alaska · 1885 days ago · 27 km deep · 38 km away
  35. 3.9154 km SE of Chignik, Alaska · 1885 days ago · 42 km deep · 49 km away
  36. 2.3158 km ESE of Chignik, Alaska · 1885 days ago · 39 km deep · 36 km away
  37. 2.6186 km SE of Chignik, Alaska · 1885 days ago · 27 km deep · 49 km away
  38. 2.3143 km SE of Perryville, Alaska · 1885 days ago · 26 km deep · 86 km away
  39. 2.5136 km SE of Perryville, Alaska · 1885 days ago · 9 km deep · 88 km away
  40. 2.5182 km SSE of Chignik, Alaska · 1885 days ago · 42 km deep · 64 km away
  41. 2.6197 km SE of Perryville, Alaska · 1885 days ago · 35 km deep · 89 km away
  42. 2.6170 km SE of Chignik, Alaska · 1885 days ago · 38 km deep · 12 km away
  43. 2.8163 km SE of Chignik, Alaska · 1885 days ago · 42 km deep · 14 km away
  44. 3.5155 km SSE of Chignik, Alaska · 1885 days ago · 20 km deep · 66 km away
  45. 3.3156 km SE of Chignik, Alaska · 1885 days ago · 47 km deep · 58 km away
  46. 2.4142 km SE of Chignik, Alaska · 1885 days ago · 15 km deep · 64 km away
  47. 2.1145 km SE of Perryville, Alaska · 1885 days ago · 2 km deep · 80 km away
  48. 2.3143 km SE of Perryville, Alaska · 1885 days ago · 55 km deep · 86 km away
  49. 2.6145 km ESE of Chignik, Alaska · 1885 days ago · 10 km deep · 39 km away
  50. 2.3127 km SE of Perryville, Alaska · 1885 days ago · 1 km deep · 91 km away
  51. 2.3140 km SE of Chignik, Alaska · 1885 days ago · 8 km deep · 59 km away
  52. 3.2137 km SE of Perryville, Alaska · 1885 days ago · 25 km deep · 92 km away
  53. 3.1146 km SE of Perryville, Alaska · 1885 days ago · 15 km deep · 78 km away
  54. 3.2144 km SSE of Chignik, Alaska · 1885 days ago · 10 km deep · 77 km away
  55. 3.3205 km SSW of Akhiok, Alaska · 1885 days ago · 10 km deep · 79 km away
  56. 2.8173 km ESE of Chignik, Alaska · 1885 days ago · 33 km deep · 28 km away
  57. 2.9168 km SE of Chignik, Alaska · 1885 days ago · 29 km deep · 9 km away
  58. 3.2194 km SE of Chignik, Alaska · 1885 days ago · 21 km deep · 45 km away
  59. 3.0182 km SSW of Akhiok, Alaska · 1885 days ago · 10 km deep · 59 km away
  60. 3.3133 km SE of Perryville, Alaska · 1885 days ago · 27 km deep · 92 km away

The first 60 of at least 201.

Before

  1. 1.8160 km ESE of Chignik, Alaska · 1886 days ago · 3 km deep · 57 km away
  2. 4.5162 km ESE of Chignik, Alaska · 1886 days ago · 37 km deep · 42 km away
  3. 3.7139 km SE of Perryville, Alaska · 1886 days ago · 26 km deep · 95 km away
  4. 3.8149 km SSE of Chignik, Alaska · 1886 days ago · 24 km deep · 71 km away
  5. 2.1166 km SW of Akhiok, Alaska · 1886 days ago · 34 km deep · 48 km away
  6. 2.3202 km SSW of Akhiok, Alaska · 1886 days ago · 20 km deep · 33 km away
  7. 3.1137 km SE of Perryville, Alaska · 1887 days ago · 41 km deep · 96 km away
  8. 3.0199 km SE of Chignik, Alaska · 1887 days ago · 32 km deep · 55 km away
  9. 3.6195 km SE of Chignik, Alaska · 1887 days ago · 15 km deep · 52 km away
  10. 2.6134 km SE of Perryville, Alaska · 1887 days ago · 26 km deep · 91 km away
  11. 2.8Alaska Peninsula · 1887 days ago · 45 km deep · 97 km away
  12. 2.090 km SE of Chignik, Alaska · 1887 days ago · 20 km deep · 92 km away
  13. 2.7128 km SE of Chignik, Alaska · 1887 days ago · 25 km deep · 62 km away
  14. 2.8128 km SSE of Chignik, Alaska · 1887 days ago · 19 km deep · 84 km away
  15. 2.5159 km SE of Chignik, Alaska · 1887 days ago · 33 km deep · 56 km away
  16. 3.1171 km SSW of Akhiok, Alaska · 1887 days ago · 35 km deep · 42 km away
  17. 3.0175 km SSW of Akhiok, Alaska · 1887 days ago · 35 km deep · 39 km away
  18. 1.897 km SE of Chignik, Alaska · 1887 days ago · 3 km deep · 87 km away
  19. 2.3133 km SE of Chignik, Alaska · 1887 days ago · 26 km deep · 66 km away
  20. 2.3137 km SE of Chignik, Alaska · 1887 days ago · 34 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219qvlgb7. Read Wed, Sep 30, 2026, 1:11 AM UTC.