Alaska earthquakes

M2.1 earthquake 144 km SE of Chignik, Alaska

A magnitude 2.1 earthquake struck 144 km SE of Chignik, Alaska on Sun, Aug 29, 2021, 8:55 AM AKDT (16:55 UTC), 47 km (29 mi) below the surface.

A larger quake followed: M2.5 201 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
2.1 (ml), micro
Local time
UTC
2021-08-29 16:55:39 UTC
Depth
47.0 km (29.2 mi), shallow
Epicenter
55.311° N, 156.906° 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
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 108 in the 60 days after this one and 91 in the 30 days before it.

After

  1. 1.663 km SE of Perryville, Alaska · 1850 days ago · 25 km deep · 96 km away
  2. 2.5201 km SE of Perryville, Alaska · 1850 days ago · 33 km deep · 72 km away
  3. 2.0123 km SE of Perryville, Alaska · 1850 days ago · 28 km deep · 64 km away
  4. 2.6166 km SE of Perryville, Alaska · 1850 days ago · 25 km deep · 51 km away
  5. 2.1161 km SE of Perryville, Alaska · 1850 days ago · 26 km deep · 47 km away
  6. 2.1161 km SE of Perryville, Alaska · 1849 days ago · 24 km deep · 47 km away
  7. 1.675 km ESE of Chignik, Alaska · 1849 days ago · 12 km deep · 76 km away
  8. 2.6204 km SE of Perryville, Alaska · 1849 days ago · 33 km deep · 71 km away
  9. 1.6south of Alaska · 1849 days ago · 2 km deep · 98 km away
  10. 2.1131 km SE of Perryville, Alaska · 1849 days ago · 13 km deep · 52 km away
  11. 1.961 km SE of Perryville, Alaska · 1848 days ago · 22 km deep · 99 km away
  12. 3.0169 km ESE of Chignik, Alaska · 1848 days ago · 18 km deep · 64 km away
  13. 3.6207 km SE of Perryville, Alaska · 1848 days ago · 25 km deep · 78 km away
  14. 2.7146 km SE of Chignik, Alaska · 1847 days ago · 10 km deep · 17 km away
  15. 2.8137 km SSE of Chignik, Alaska · 1847 days ago · 33 km deep · 29 km away
  16. 3.0203 km SE of Perryville, Alaska · 1847 days ago · 47 km deep · 71 km away
  17. 2.3144 km SE of Perryville, Alaska · 1847 days ago · 40 km deep · 61 km away
  18. 2.6136 km SE of Chignik, Alaska · 1847 days ago · 16 km deep · 22 km away
  19. 1.769 km SE of Perryville, Alaska · 1846 days ago · 43 km deep · 94 km away
  20. 2.0122 km SE of Chignik, Alaska · 1846 days ago · 27 km deep · 30 km away
  21. 3.7131 km SE of Perryville, Alaska · 1846 days ago · 11 km deep · 54 km away
  22. 2.5161 km SE of Chignik, Alaska · 1845 days ago · 18 km deep · 17 km away
  23. 3.3158 km SE of Chignik, Alaska · 1845 days ago · 39 km deep · 31 km away
  24. 1.8157 km SSW of Akhiok, Alaska · 1845 days ago · 10 km deep · 98 km away
  25. 3.9135 km SE of Perryville, Alaska · 1845 days ago · 45 km deep · 66 km away
  26. 2.4138 km SE of Perryville, Alaska · 1845 days ago · 45 km deep · 64 km away
  27. 2.8140 km SE of Perryville, Alaska · 1845 days ago · 26 km deep · 52 km away
  28. 2.2119 km ESE of Chignik, Alaska · 1845 days ago · 20 km deep · 83 km away
  29. 2.6153 km SSE of Chignik, Alaska · 1845 days ago · 22 km deep · 23 km away
  30. 2.5201 km SE of Perryville, Alaska · 1845 days ago · 33 km deep · 69 km away
  31. 2.2139 km SE of Perryville, Alaska · 1845 days ago · 48 km deep · 61 km away
  32. 3.3164 km SE of Chignik, Alaska · 1844 days ago · 6 km deep · 20 km away
  33. 2.9118 km SSE of Chignik, Alaska · 1844 days ago · 11 km deep · 35 km away
  34. 2.9185 km SSW of Akhiok, Alaska · 1844 days ago · 11 km deep · 99 km away
  35. 2.5116 km SE of Perryville, Alaska · 1844 days ago · 19 km deep · 59 km away
  36. 2.167 km SE of Perryville, Alaska · 1843 days ago · 12 km deep · 94 km away
  37. 2.2118 km ESE of Chignik, Alaska · 1843 days ago · 8 km deep · 89 km away
  38. 2.8199 km SE of Chignik, Alaska · 1843 days ago · 12 km deep · 59 km away
  39. 3.0242 km SE of Chignik, Alaska · 1842 days ago · 11 km deep · 98 km away
  40. 2.5115 km SSE of Chignik, Alaska · 1842 days ago · 10 km deep · 34 km away
  41. 2.071 km SE of Perryville, Alaska · 1842 days ago · 13 km deep · 94 km away
  42. 2.0109 km SSE of Perryville, Alaska · 1841 days ago · 15 km deep · 91 km away
  43. 3.1139 km SE of Chignik, Alaska · 1841 days ago · 19 km deep · 15 km away · felt by 1
  44. 2.6177 km SSW of Akhiok, Alaska · 1841 days ago · 10 km deep · 82 km away
  45. 1.973 km SE of Perryville, Alaska · 1841 days ago · 9 km deep · 88 km away
  46. 2.4205 km SE of Chignik, Alaska · 1840 days ago · 9 km deep · 62 km away
  47. 1.9165 km SE of Chignik, Alaska · 1840 days ago · 15 km deep · 44 km away
  48. 2.2118 km SSE of Perryville, Alaska · 1840 days ago · 28 km deep · 100 km away
  49. 2.8110 km SE of Chignik, Alaska · 1840 days ago · 13 km deep · 36 km away
  50. 3.0190 km SE of Chignik, Alaska · 1840 days ago · 32 km deep · 63 km away
  51. 2.2161 km SW of Akhiok, Alaska · 1840 days ago · 1 km deep · 90 km away
  52. 3.3158 km SE of Perryville, Alaska · 1840 days ago · 21 km deep · 50 km away
  53. 2.9167 km SW of Akhiok, Alaska · 1839 days ago · 5 km deep · 87 km away
  54. 2.371 km SE of Chignik, Alaska · 1839 days ago · 47 km deep · 74 km away
  55. 3.3207 km SE of Perryville, Alaska · 1838 days ago · 25 km deep · 76 km away
  56. 2.8202 km SE of Perryville, Alaska · 1838 days ago · 16 km deep · 77 km away
  57. 2.6137 km SE of Chignik, Alaska · 1838 days ago · 21 km deep · 9 km away
  58. 2.275 km ESE of Chignik, Alaska · 1838 days ago · 19 km deep · 80 km away
  59. 2.3167 km SW of Akhiok, Alaska · 1837 days ago · 27 km deep · 86 km away
  60. 2.8162 km SE of Perryville, Alaska · 1836 days ago · 6 km deep · 51 km away

The first 60 of 108.

Before

  1. 2.8190 km SSW of Akhiok, Alaska · 1850 days ago · 17 km deep · 82 km away
  2. 2.7144 km SE of Perryville, Alaska · 1851 days ago · 34 km deep · 29 km away
  3. 3.5152 km SE of Perryville, Alaska · 1851 days ago · 17 km deep · 68 km away
  4. 3.0158 km SE of Chignik, Alaska · 1851 days ago · 40 km deep · 39 km away
  5. 2.387 km SSE of Chignik, Alaska · 1851 days ago · 8 km deep · 59 km away
  6. 3.377 km ESE of Chignik, Alaska · 1852 days ago · 10 km deep · 84 km away
  7. 2.274 km SE of Perryville, Alaska · 1852 days ago · 17 km deep · 96 km away
  8. 2.7138 km SE of Perryville, Alaska · 1852 days ago · 14 km deep · 49 km away
  9. 2.5136 km SE of Chignik, Alaska · 1852 days ago · 15 km deep · 8 km away
  10. 2.3188 km SE of Perryville, Alaska · 1852 days ago · 25 km deep · 58 km away
  11. 2.3132 km SE of Perryville, Alaska · 1852 days ago · 21 km deep · 65 km away
  12. 1.9144 km ESE of Chignik, Alaska · 1853 days ago · 50 km deep · 60 km away
  13. 2.386 km ESE of Perryville, Alaska · 1853 days ago · 3 km deep · 70 km away
  14. 2.4170 km SE of Chignik, Alaska · 1853 days ago · 36 km deep · 45 km away
  15. 1.960 km SE of Perryville, Alaska · 1853 days ago · 27 km deep · 100 km away
  16. 2.6147 km SSE of Chignik, Alaska · 1853 days ago · 25 km deep · 17 km away
  17. 2.5155 km SE of Chignik, Alaska · 1853 days ago · 44 km deep · 26 km away
  18. 1.860 km SSE of Chignik, Alaska · 1854 days ago · 7 km deep · 89 km away
  19. 2.1143 km SE of Perryville, Alaska · 1854 days ago · 43 km deep · 46 km away
  20. 1.9103 km SSE of Chignik, Alaska · 1854 days ago · 48 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021b2udg5a. Read Tue, Sep 22, 2026, 4:19 PM UTC.