Alaska earthquakes

M2.4 earthquake 194 km SE of Chignik, Alaska

A magnitude 2.4 earthquake struck 194 km SE of Chignik, Alaska on Sun, Aug 15, 2021, 11:21 PM AKDT (07:21 UTC), 48 km (30 mi) below the surface.

A larger quake followed: M2.6 190 km SE of Chignik, 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
2.4 (ml), micro
Local time
UTC
2021-08-16 07:21:55 UTC
Depth
48.4 km (30.1 mi), shallow
Epicenter
55.255° N, 155.904° 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
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 109 in the 60 days after this one and 90 in the 30 days before it.

After

  1. 2.3177 km SE of Chignik, Alaska · 1864 days ago · 56 km deep · 56 km away
  2. 2.6190 km SE of Chignik, Alaska · 1864 days ago · 47 km deep · 44 km away
  3. 1.797 km SE of Chignik, Alaska · 1864 days ago · 7 km deep · 100 km away
  4. 3.3144 km SSE of Chignik, Alaska · 1864 days ago · 9 km deep · 77 km away
  5. 4.2128 km SSE of Chignik, Alaska · 1864 days ago · 33 km deep · 97 km away
  6. 2.7135 km ESE of Chignik, Alaska · 1863 days ago · 49 km deep · 68 km away
  7. 2.6158 km SE of Perryville, Alaska · 1863 days ago · 43 km deep · 85 km away
  8. 2.6182 km SE of Chignik, Alaska · 1863 days ago · 43 km deep · 15 km away
  9. 2.7197 km SE of Chignik, Alaska · 1863 days ago · 5 km deep · 33 km away
  10. 2.5152 km SE of Perryville, Alaska · 1863 days ago · 23 km deep · 93 km away
  11. 3.7209 km SE of Perryville, Alaska · 1862 days ago · 26 km deep · 90 km away
  12. 2.7129 km SE of Chignik, Alaska · 1862 days ago · 13 km deep · 69 km away
  13. 1.9118 km SE of Chignik, Alaska · 1862 days ago · 18 km deep · 76 km away
  14. 2.1134 km SE of Perryville, Alaska · 1862 days ago · 55 km deep · 100 km away
  15. 3.3203 km SE of Perryville, Alaska · 1861 days ago · 25 km deep · 82 km away
  16. 2.4194 km SE of Perryville, Alaska · 1861 days ago · 25 km deep · 87 km away
  17. 2.1south of Alaska · 1861 days ago · 8 km deep · 74 km away
  18. 3.2199 km SE of Perryville, Alaska · 1861 days ago · 33 km deep · 85 km away
  19. 2.6202 km SE of Perryville, Alaska · 1861 days ago · 21 km deep · 86 km away
  20. 2.4119 km ESE of Chignik, Alaska · 1860 days ago · 28 km deep · 75 km away
  21. 2.0154 km ESE of Chignik, Alaska · 1860 days ago · 48 km deep · 47 km away
  22. 2.4south of Alaska · 1860 days ago · 25 km deep · 39 km away
  23. 2.5138 km SE of Chignik, Alaska · 1860 days ago · 24 km deep · 57 km away
  24. 3.4156 km SSE of Chignik, Alaska · 1859 days ago · 13 km deep · 78 km away
  25. 3.7150 km SSE of Chignik, Alaska · 1859 days ago · 7 km deep · 81 km away
  26. 3.3150 km ESE of Chignik, Alaska · 1859 days ago · 41 km deep · 59 km away
  27. 2.5152 km SW of Akhiok, Alaska · 1858 days ago · 25 km deep · 79 km away
  28. 2.4162 km SW of Akhiok, Alaska · 1858 days ago · 46 km deep · 60 km away
  29. 2.4156 km SSE of Chignik, Alaska · 1857 days ago · 30 km deep · 78 km away
  30. 2.6166 km ESE of Chignik, Alaska · 1856 days ago · 16 km deep · 43 km away
  31. 2.6158 km SSW of Akhiok, Alaska · 1856 days ago · 41 km deep · 60 km away
  32. 2.4147 km SE of Chignik, Alaska · 1856 days ago · 36 km deep · 52 km away
  33. 2.4131 km SE of Chignik, Alaska · 1856 days ago · 34 km deep · 78 km away
  34. 2.8163 km SE of Chignik, Alaska · 1855 days ago · 33 km deep · 52 km away
  35. 2.5155 km SE of Chignik, Alaska · 1854 days ago · 44 km deep · 42 km away
  36. 2.6147 km SSE of Chignik, Alaska · 1854 days ago · 25 km deep · 75 km away
  37. 2.4170 km SE of Chignik, Alaska · 1853 days ago · 36 km deep · 25 km away
  38. 1.9144 km ESE of Chignik, Alaska · 1853 days ago · 50 km deep · 59 km away
  39. 2.3188 km SE of Perryville, Alaska · 1853 days ago · 25 km deep · 82 km away
  40. 2.5136 km SE of Chignik, Alaska · 1853 days ago · 15 km deep · 71 km away
  41. 3.0158 km SE of Chignik, Alaska · 1851 days ago · 40 km deep · 36 km away
  42. 2.7144 km SE of Perryville, Alaska · 1851 days ago · 34 km deep · 88 km away
  43. 2.8190 km SSW of Akhiok, Alaska · 1851 days ago · 17 km deep · 27 km away
  44. 2.1144 km SE of Chignik, Alaska · 1851 days ago · 47 km deep · 64 km away
  45. 2.5201 km SE of Perryville, Alaska · 1850 days ago · 33 km deep · 88 km away
  46. 2.6166 km SE of Perryville, Alaska · 1850 days ago · 25 km deep · 93 km away
  47. 2.1161 km SE of Perryville, Alaska · 1850 days ago · 26 km deep · 93 km away
  48. 2.1161 km SE of Perryville, Alaska · 1850 days ago · 24 km deep · 93 km away
  49. 2.6204 km SE of Perryville, Alaska · 1850 days ago · 33 km deep · 84 km away
  50. 1.6south of Alaska · 1850 days ago · 2 km deep · 64 km away
  51. 3.0169 km ESE of Chignik, Alaska · 1849 days ago · 18 km deep · 37 km away
  52. 3.6207 km SE of Perryville, Alaska · 1848 days ago · 25 km deep · 92 km away
  53. 2.7146 km SE of Chignik, Alaska · 1848 days ago · 10 km deep · 52 km away
  54. 2.8137 km SSE of Chignik, Alaska · 1848 days ago · 33 km deep · 91 km away
  55. 3.0203 km SE of Perryville, Alaska · 1848 days ago · 47 km deep · 86 km away
  56. 2.6136 km SE of Chignik, Alaska · 1847 days ago · 16 km deep · 60 km away
  57. 2.0122 km SE of Chignik, Alaska · 1847 days ago · 27 km deep · 73 km away
  58. 2.5161 km SE of Chignik, Alaska · 1846 days ago · 18 km deep · 55 km away
  59. 3.3158 km SE of Chignik, Alaska · 1846 days ago · 39 km deep · 37 km away
  60. 1.8157 km SSW of Akhiok, Alaska · 1845 days ago · 10 km deep · 60 km away

The first 60 of 109.

Before

  1. 3.4163 km SE of Chignik, Alaska · 1864 days ago · 36 km deep · 31 km away
  2. 2.5206 km SE of Perryville, Alaska · 1864 days ago · 47 km deep · 92 km away
  3. 2.0129 km SE of Chignik, Alaska · 1864 days ago · 41 km deep · 66 km away
  4. 3.4253 km SE of Chignik, Alaska · 1864 days ago · 26 km deep · 88 km away
  5. 2.6243 km SE of Chignik, Alaska · 1864 days ago · 17 km deep · 83 km away
  6. 3.0154 km SE of Chignik, Alaska · 1865 days ago · 34 km deep · 57 km away
  7. 2.4162 km SE of Chignik, Alaska · 1865 days ago · 37 km deep · 68 km away
  8. 3.0161 km SE of Perryville, Alaska · 1865 days ago · 41 km deep · 94 km away
  9. 2.5165 km SE of Perryville, Alaska · 1865 days ago · 34 km deep · 94 km away
  10. 2.1138 km SSE of Chignik, Alaska · 1865 days ago · 25 km deep · 82 km away
  11. 2.5134 km ESE of Chignik, Alaska · 1865 days ago · 16 km deep · 64 km away
  12. 3.3193 km SE of Perryville, Alaska · 1866 days ago · 25 km deep · 85 km away
  13. 3.0175 km SE of Perryville, Alaska · 1866 days ago · 21 km deep · 87 km away
  14. 2.6148 km SE of Perryville, Alaska · 1866 days ago · 16 km deep · 98 km away
  15. 3.4201 km SE of Perryville, Alaska · 1866 days ago · 33 km deep · 83 km away
  16. 2.3161 km SE of Chignik, Alaska · 1866 days ago · 25 km deep · 68 km away
  17. 2.9189 km SE of Perryville, Alaska · 1866 days ago · 36 km deep · 82 km away
  18. 3.6137 km SE of Perryville, Alaska · 1866 days ago · 6 km deep · 98 km away
  19. 3.6154 km SE of Perryville, Alaska · 1866 days ago · 19 km deep · 89 km away
  20. 2.3120 km SSE of Chignik, Alaska · 1866 days ago · 33 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021ah6ts52. Read Wed, Sep 23, 2026, 5:19 AM UTC.