Alaska earthquakes

M2.2 earthquake 43 km S of Chignik, Alaska

A magnitude 2.2 earthquake struck 43 km S of Chignik, Alaska on Tue, Jul 20, 2021, 11:01 AM AKDT (19:01 UTC), 48 km (30 mi) below the surface.

A larger quake followed: M8.2 2021 Chignik, Alaska Earthquake. 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
2021-07-20 19:01:40 UTC
Depth
48.0 km (29.8 mi), shallow
Epicenter
55.910° N, 158.315° 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
26

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 200 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 1.974 km SE of Perryville, Alaska · 1894 days ago · 25 km deep · 59 km away
  2. 2.487 km SE of Perryville, Alaska · 1893 days ago · 15 km deep · 64 km away
  3. 2.261 km ENE of Chignik, Alaska · 1892 days ago · 93 km deep · 88 km away
  4. 1.876 km SSE of Perryville, Alaska · 1890 days ago · 25 km deep · 66 km away
  5. 8.22021 Chignik, Alaska Earthquake · 1886 days ago · 35 km deep · 66 km away · felt by 512 · PAGER yellow · tsunami flag
  6. 5.5106 km SSE of Perryville, Alaska · 1886 days ago · 18 km deep · 90 km away · felt by 3
  7. 5.1114 km SE of Perryville, Alaska · 1886 days ago · 35 km deep · 83 km away
  8. 5.799 km ESE of Chignik, Alaska · 1886 days ago · 35 km deep · 83 km away
  9. 5.9127 km SE of Chignik, Alaska · 1886 days ago · 1 km deep · 92 km away · felt by 14
  10. 4.5106 km SSE of Chignik, Alaska · 1886 days ago · 9 km deep · 68 km away
  11. 5.3128 km SE of Perryville, Alaska · 1886 days ago · 35 km deep · 95 km away
  12. 3.9118 km SE of Perryville, Alaska · 1886 days ago · 7 km deep · 83 km away
  13. 4.291 km SSE of Chignik, Alaska · 1886 days ago · 7 km deep · 51 km away
  14. 4.5136 km SE of Perryville, Alaska · 1886 days ago · 25 km deep · 98 km away
  15. 4.1113 km ESE of Chignik, Alaska · 1886 days ago · 46 km deep · 92 km away
  16. 3.4131 km SE of Chignik, Alaska · 1886 days ago · 10 km deep · 98 km away
  17. 3.7126 km SE of Chignik, Alaska · 1886 days ago · 24 km deep · 95 km away
  18. 2.562 km SE of Perryville, Alaska · 1886 days ago · 11 km deep · 43 km away
  19. 3.7113 km SSE of Perryville, Alaska · 1886 days ago · 40 km deep · 100 km away
  20. 3.4126 km SE of Chignik, Alaska · 1886 days ago · 43 km deep · 90 km away
  21. 3.094 km SSE of Perryville, Alaska · 1886 days ago · 9 km deep · 84 km away
  22. 3.9105 km SSE of Perryville, Alaska · 1886 days ago · 19 km deep · 98 km away · felt by 1
  23. 3.294 km SSE of Perryville, Alaska · 1886 days ago · 7 km deep · 83 km away
  24. 3.4116 km SSE of Perryville, Alaska · 1886 days ago · 16 km deep · 97 km away
  25. 4.1131 km SE of Chignik, Alaska · 1886 days ago · 34 km deep · 99 km away · felt by 1
  26. 3.2106 km SSE of Perryville, Alaska · 1886 days ago · 8 km deep · 91 km away
  27. 2.668 km S of Ivanof Bay, Alaska · 1886 days ago · 35 km deep · 93 km away
  28. 4.4134 km SSE of Chignik, Alaska · 1886 days ago · 27 km deep · 96 km away
  29. 3.6131 km SE of Perryville, Alaska · 1886 days ago · 69 km deep · 98 km away
  30. 4.1107 km SE of Perryville, Alaska · 1886 days ago · 36 km deep · 75 km away
  31. 2.7104 km SSE of Perryville, Alaska · 1886 days ago · 10 km deep · 94 km away
  32. 3.0106 km SE of Chignik, Alaska · 1886 days ago · 6 km deep · 79 km away
  33. 3.2100 km SE of Perryville, Alaska · 1886 days ago · 10 km deep · 69 km away
  34. 3.2Alaska Peninsula · 1886 days ago · 3 km deep · 87 km away
  35. 3.3122 km SE of Chignik, Alaska · 1886 days ago · 28 km deep · 87 km away
  36. 3.0117 km SSE of Perryville, Alaska · 1886 days ago · 24 km deep · 98 km away
  37. 3.5118 km SSE of Chignik, Alaska · 1886 days ago · 18 km deep · 82 km away
  38. 2.366 km SE of Perryville, Alaska · 1886 days ago · 10 km deep · 54 km away
  39. 2.5100 km SSE of Perryville, Alaska · 1886 days ago · 11 km deep · 84 km away
  40. 2.8124 km SE of Chignik, Alaska · 1886 days ago · 27 km deep · 93 km away
  41. 4.7128 km SSE of Chignik, Alaska · 1886 days ago · 26 km deep · 89 km away
  42. 3.3101 km SE of Chignik, Alaska · 1886 days ago · 3 km deep · 75 km away
  43. 2.8134 km SE of Perryville, Alaska · 1886 days ago · 0 km deep · 100 km away
  44. 3.5124 km SE of Perryville, Alaska · 1886 days ago · 4 km deep · 93 km away
  45. 3.3113 km SE of Chignik, Alaska · 1886 days ago · 20 km deep · 90 km away
  46. 3.0102 km SSE of Perryville, Alaska · 1886 days ago · 24 km deep · 97 km away
  47. 2.595 km SE of Chignik, Alaska · 1886 days ago · 9 km deep · 65 km away
  48. 3.0125 km SE of Perryville, Alaska · 1886 days ago · 24 km deep · 94 km away
  49. 4.2131 km SSE of Chignik, Alaska · 1886 days ago · 25 km deep · 93 km away
  50. 2.188 km SE of Chignik, Alaska · 1886 days ago · 15 km deep · 59 km away
  51. 3.5126 km SSE of Chignik, Alaska · 1886 days ago · 14 km deep · 87 km away
  52. 2.6119 km SE of Perryville, Alaska · 1886 days ago · 33 km deep · 89 km away
  53. 3.5131 km SE of Perryville, Alaska · 1886 days ago · 26 km deep · 93 km away
  54. 2.5100 km SE of Perryville, Alaska · 1886 days ago · 28 km deep · 79 km away
  55. 2.3110 km ESE of Chignik, Alaska · 1886 days ago · 5 km deep · 91 km away
  56. 3.5126 km SE of Chignik, Alaska · 1886 days ago · 11 km deep · 100 km away
  57. 4.3134 km SE of Chignik, Alaska · 1886 days ago · 24 km deep · 98 km away
  58. 2.5100 km SE of Perryville, Alaska · 1886 days ago · 29 km deep · 68 km away
  59. 2.3107 km SSE of Chignik, Alaska · 1886 days ago · 2 km deep · 70 km away
  60. 2.7127 km SSE of Chignik, Alaska · 1886 days ago · 24 km deep · 89 km away

The first 60 of at least 200.

Before

  1. 2.242 km S of Ivanof Bay, Alaska · 1897 days ago · 55 km deep · 86 km away
  2. 1.896 km SSE of Perryville, Alaska · 1897 days ago · 44 km deep · 80 km away
  3. 1.817 km WSW of Ivanof Bay, Alaska · 1897 days ago · 92 km deep · 89 km away
  4. 2.188 km ESE of Chignik, Alaska · 1897 days ago · 25 km deep · 78 km away
  5. 2.575 km SSE of Perryville, Alaska · 1898 days ago · 32 km deep · 65 km away
  6. 3.467 km SE of Perryville, Alaska · 1899 days ago · 5 km deep · 52 km away
  7. 2.8135 km SE of Chignik, Alaska · 1901 days ago · 28 km deep · 99 km away
  8. 2.125 km SSE of Port Heiden, Alaska · 1903 days ago · 10 km deep · 92 km away
  9. 2.59 km WNW of Ivanof Bay, Alaska · 1904 days ago · 115 km deep · 81 km away
  10. 2.172 km E of Chignik, Alaska · 1907 days ago · 55 km deep · 81 km away
  11. 1.940 km W of Chignik Lake, Alaska · 1908 days ago · 12 km deep · 81 km away
  12. 2.8125 km SE of Perryville, Alaska · 1909 days ago · 35 km deep · 95 km away
  13. 2.272 km SE of Perryville, Alaska · 1910 days ago · 4 km deep · 52 km away
  14. 2.042 km ENE of Chignik, Alaska · 1911 days ago · 66 km deep · 69 km away
  15. 1.815 km ESE of Chignik, Alaska · 1917 days ago · 83 km deep · 39 km away
  16. 3.6124 km SE of Perryville, Alaska · 1919 days ago · 34 km deep · 97 km away
  17. 3.715 km NW of Chignik Lake, Alaska · 1923 days ago · 9 km deep · 63 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02198qcakm. Read Sun, Sep 27, 2026, 11:58 AM UTC.