Alaska earthquakes

M2.0 earthquake 154 km ESE of Chignik, Alaska

A magnitude 2.0 earthquake struck 154 km ESE of Chignik, Alaska on Thu, Aug 19, 2021, 6:09 PM AKDT (02:09 UTC), 48 km (30 mi) below the surface.

A larger quake followed: M2.4 south of 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
2.0 (ml), micro
Local time
UTC
2021-08-20 02:09:01 UTC
Depth
47.5 km (29.5 mi), shallow
Epicenter
55.642° N, 156.214° 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: 179 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 2.4south of Alaska · 1860 days ago · 25 km deep · 54 km away
  2. 2.5138 km SE of Chignik, Alaska · 1860 days ago · 24 km deep · 36 km away
  3. 2.0132 km SE of Perryville, Alaska · 1860 days ago · 24 km deep · 96 km away
  4. 3.4156 km SSE of Chignik, Alaska · 1860 days ago · 13 km deep · 82 km away
  5. 3.7150 km SSE of Chignik, Alaska · 1859 days ago · 7 km deep · 82 km away
  6. 3.3150 km ESE of Chignik, Alaska · 1859 days ago · 41 km deep · 14 km away
  7. 2.5152 km SW of Akhiok, Alaska · 1859 days ago · 25 km deep · 41 km away
  8. 2.4162 km SW of Akhiok, Alaska · 1858 days ago · 46 km deep · 33 km away
  9. 2.4156 km SSE of Chignik, Alaska · 1858 days ago · 30 km deep · 83 km away
  10. 2.6166 km ESE of Chignik, Alaska · 1857 days ago · 16 km deep · 13 km away
  11. 2.6158 km SSW of Akhiok, Alaska · 1856 days ago · 41 km deep · 60 km away
  12. 2.4147 km SE of Chignik, Alaska · 1856 days ago · 36 km deep · 41 km away
  13. 2.4131 km SE of Chignik, Alaska · 1856 days ago · 34 km deep · 65 km away
  14. 3.0137 km SE of Perryville, Alaska · 1856 days ago · 18 km deep · 99 km away
  15. 2.8163 km SE of Chignik, Alaska · 1855 days ago · 33 km deep · 60 km away
  16. 1.9103 km SSE of Chignik, Alaska · 1855 days ago · 48 km deep · 91 km away
  17. 2.5155 km SE of Chignik, Alaska · 1854 days ago · 44 km deep · 34 km away
  18. 2.6147 km SSE of Chignik, Alaska · 1854 days ago · 25 km deep · 74 km away
  19. 2.4170 km SE of Chignik, Alaska · 1854 days ago · 36 km deep · 27 km away
  20. 1.9144 km ESE of Chignik, Alaska · 1853 days ago · 50 km deep · 12 km away
  21. 2.5136 km SE of Chignik, Alaska · 1853 days ago · 15 km deep · 60 km away
  22. 3.377 km ESE of Chignik, Alaska · 1853 days ago · 10 km deep · 78 km away
  23. 2.387 km SSE of Chignik, Alaska · 1852 days ago · 8 km deep · 91 km away
  24. 3.0158 km SE of Chignik, Alaska · 1852 days ago · 40 km deep · 22 km away
  25. 2.7144 km SE of Perryville, Alaska · 1852 days ago · 34 km deep · 86 km away
  26. 2.8190 km SSW of Akhiok, Alaska · 1851 days ago · 17 km deep · 44 km away
  27. 2.1144 km SE of Chignik, Alaska · 1851 days ago · 47 km deep · 57 km away
  28. 1.892 km E of Chignik, Alaska · 1850 days ago · 31 km deep · 87 km away
  29. 1.675 km ESE of Chignik, Alaska · 1850 days ago · 12 km deep · 79 km away
  30. 1.6south of Alaska · 1850 days ago · 2 km deep · 41 km away
  31. 3.0169 km ESE of Chignik, Alaska · 1849 days ago · 18 km deep · 15 km away
  32. 2.7146 km SE of Chignik, Alaska · 1848 days ago · 10 km deep · 40 km away
  33. 2.8137 km SSE of Chignik, Alaska · 1848 days ago · 33 km deep · 85 km away
  34. 2.6136 km SE of Chignik, Alaska · 1847 days ago · 16 km deep · 38 km away
  35. 2.0122 km SE of Chignik, Alaska · 1847 days ago · 27 km deep · 44 km away
  36. 2.5161 km SE of Chignik, Alaska · 1846 days ago · 18 km deep · 62 km away
  37. 3.3158 km SE of Chignik, Alaska · 1846 days ago · 39 km deep · 32 km away
  38. 1.8157 km SSW of Akhiok, Alaska · 1846 days ago · 10 km deep · 43 km away
  39. 2.2119 km ESE of Chignik, Alaska · 1846 days ago · 20 km deep · 48 km away
  40. 2.6153 km SSE of Chignik, Alaska · 1846 days ago · 22 km deep · 80 km away
  41. 3.3164 km SE of Chignik, Alaska · 1845 days ago · 6 km deep · 61 km away
  42. 2.9118 km SSE of Chignik, Alaska · 1845 days ago · 11 km deep · 83 km away
  43. 2.9185 km SSW of Akhiok, Alaska · 1845 days ago · 11 km deep · 60 km away
  44. 3.5105 km WSW of Akhiok, Alaska · 1844 days ago · 70 km deep · 100 km away
  45. 2.2118 km ESE of Chignik, Alaska · 1844 days ago · 8 km deep · 54 km away
  46. 2.8199 km SE of Chignik, Alaska · 1843 days ago · 12 km deep · 64 km away
  47. 2.5115 km SSE of Chignik, Alaska · 1843 days ago · 10 km deep · 79 km away
  48. 3.1139 km SE of Chignik, Alaska · 1842 days ago · 19 km deep · 71 km away · felt by 1
  49. 2.6177 km SSW of Akhiok, Alaska · 1842 days ago · 10 km deep · 32 km away
  50. 2.4205 km SE of Chignik, Alaska · 1841 days ago · 9 km deep · 90 km away
  51. 1.9165 km SE of Chignik, Alaska · 1841 days ago · 15 km deep · 22 km away
  52. 2.8110 km SE of Chignik, Alaska · 1841 days ago · 13 km deep · 74 km away
  53. 3.0190 km SE of Chignik, Alaska · 1841 days ago · 32 km deep · 42 km away
  54. 2.2161 km SW of Akhiok, Alaska · 1840 days ago · 1 km deep · 33 km away
  55. 2.9167 km SW of Akhiok, Alaska · 1840 days ago · 5 km deep · 32 km away
  56. 2.371 km SE of Chignik, Alaska · 1839 days ago · 47 km deep · 98 km away
  57. 2.6137 km SE of Chignik, Alaska · 1839 days ago · 21 km deep · 63 km away
  58. 2.275 km ESE of Chignik, Alaska · 1839 days ago · 19 km deep · 80 km away
  59. 2.3167 km SW of Akhiok, Alaska · 1838 days ago · 27 km deep · 31 km away
  60. 1.9128 km SSW of Akhiok, Alaska · 1837 days ago · 7 km deep · 69 km away

The first 60 of 179.

Before

  1. 2.4119 km ESE of Chignik, Alaska · 1861 days ago · 28 km deep · 37 km away
  2. 2.1south of Alaska · 1861 days ago · 8 km deep · 31 km away
  3. 1.8100 km SSE of Chignik, Alaska · 1861 days ago · 20 km deep · 83 km away
  4. 2.5125 km SE of Perryville, Alaska · 1862 days ago · 33 km deep · 99 km away
  5. 2.1134 km SE of Perryville, Alaska · 1862 days ago · 55 km deep · 95 km away
  6. 1.9118 km SE of Chignik, Alaska · 1862 days ago · 18 km deep · 46 km away
  7. 2.7129 km SE of Chignik, Alaska · 1862 days ago · 13 km deep · 47 km away
  8. 2.3117 km E of Chignik, Alaska · 1863 days ago · 57 km deep · 58 km away
  9. 2.5152 km SE of Perryville, Alaska · 1863 days ago · 23 km deep · 97 km away
  10. 2.7197 km SE of Chignik, Alaska · 1863 days ago · 5 km deep · 69 km away
  11. 2.6182 km SE of Chignik, Alaska · 1863 days ago · 43 km deep · 33 km away
  12. 2.6158 km SE of Perryville, Alaska · 1864 days ago · 43 km deep · 92 km away
  13. 2.7135 km ESE of Chignik, Alaska · 1864 days ago · 49 km deep · 21 km away
  14. 4.2128 km SSE of Chignik, Alaska · 1864 days ago · 33 km deep · 87 km away
  15. 3.3144 km SSE of Chignik, Alaska · 1864 days ago · 9 km deep · 74 km away
  16. 1.797 km SE of Chignik, Alaska · 1864 days ago · 7 km deep · 69 km away
  17. 2.6190 km SE of Chignik, Alaska · 1864 days ago · 47 km deep · 73 km away
  18. 2.3177 km SE of Chignik, Alaska · 1864 days ago · 56 km deep · 75 km away
  19. 2.4194 km SE of Chignik, Alaska · 1864 days ago · 48 km deep · 47 km away
  20. 3.4163 km SE of Chignik, Alaska · 1864 days ago · 36 km deep · 29 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021anpxbc6. Read Wed, Sep 23, 2026, 1:13 PM UTC.