Alaska earthquakes

M2.3 earthquake 139 km WSW of Nikolski, Alaska

A magnitude 2.3 earthquake struck 139 km WSW of Nikolski, Alaska on Sun, Aug 1, 2021, 5:57 AM HADT (14:57 UTC), 67 km (42 mi) below the surface.

A larger quake followed: M3.9 191 km ESE of Atka, 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
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-08-01 14:57:44 UTC
Depth
67.2 km (41.8 mi), shallow
Epicenter
52.444° N, 170.751° 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

Nearby

Within 100 km, magnitude 1.5 and up: 38 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 2.775 km SW of Nikolski, Alaska · 1886 days ago · 35 km deep · 74 km away
  2. 2.2Fox Islands, Aleutian Islands, Alaska · 1886 days ago · 20 km deep · 82 km away
  3. 3.2185 km ESE of Atka, Alaska · 1885 days ago · 36 km deep · 100 km away
  4. 3.1140 km SW of Nikolski, Alaska · 1884 days ago · 21 km deep · 43 km away
  5. 3.0174 km E of Atka, Alaska · 1882 days ago · 35 km deep · 85 km away
  6. 2.956 km SW of Nikolski, Alaska · 1879 days ago · 34 km deep · 86 km away
  7. 2.778 km SSW of Nikolski, Alaska · 1879 days ago · 35 km deep · 85 km away
  8. 3.1128 km WNW of Nikolski, Alaska · 1879 days ago · 180 km deep · 98 km away
  9. 1.9130 km SW of Nikolski, Alaska · 1878 days ago · 21 km deep · 46 km away
  10. 1.985 km SSW of Nikolski, Alaska · 1877 days ago · 30 km deep · 100 km away
  11. 2.5183 km SW of Nikolski, Alaska · 1877 days ago · 37 km deep · 73 km away
  12. 2.093 km WSW of Nikolski, Alaska · 1876 days ago · 3 km deep · 45 km away
  13. 1.996 km WSW of Nikolski, Alaska · 1876 days ago · 5 km deep · 45 km away
  14. 2.1191 km SW of Nikolski, Alaska · 1876 days ago · 38 km deep · 60 km away
  15. 2.1112 km SW of Nikolski, Alaska · 1875 days ago · 33 km deep · 55 km away
  16. 3.8175 km SW of Nikolski, Alaska · 1872 days ago · 35 km deep · 56 km away
  17. 2.294 km WSW of Nikolski, Alaska · 1871 days ago · 2 km deep · 45 km away
  18. 2.097 km WSW of Nikolski, Alaska · 1870 days ago · 5 km deep · 43 km away
  19. 3.194 km SW of Nikolski, Alaska · 1870 days ago · 10 km deep · 73 km away
  20. 3.7157 km SW of Nikolski, Alaska · 1870 days ago · 25 km deep · 42 km away
  21. 2.047 km SW of Nikolski, Alaska · 1870 days ago · 5 km deep · 93 km away
  22. 3.1166 km SW of Nikolski, Alaska · 1870 days ago · 37 km deep · 74 km away
  23. 3.268 km SW of Nikolski, Alaska · 1867 days ago · 87 km deep · 78 km away
  24. 2.3127 km SW of Nikolski, Alaska · 1867 days ago · 33 km deep · 31 km away
  25. 2.850 km SW of Nikolski, Alaska · 1864 days ago · 10 km deep · 98 km away
  26. 2.784 km SW of Nikolski, Alaska · 1864 days ago · 25 km deep · 81 km away
  27. 2.957 km W of Nikolski, Alaska · 1862 days ago · 11 km deep · 90 km away
  28. 1.965 km SSW of Nikolski, Alaska · 1861 days ago · 40 km deep · 92 km away
  29. 3.0196 km SW of Nikolski, Alaska · 1860 days ago · 35 km deep · 63 km away
  30. 2.4152 km WSW of Nikolski, Alaska · 1856 days ago · 60 km deep · 13 km away
  31. 3.3112 km SW of Nikolski, Alaska · 1854 days ago · 35 km deep · 60 km away
  32. 2.6139 km WSW of Nikolski, Alaska · 1851 days ago · 88 km deep · 24 km away
  33. 3.4126 km W of Nikolski, Alaska · 1849 days ago · 217 km deep · 66 km away
  34. 3.367 km SW of Nikolski, Alaska · 1845 days ago · 35 km deep · 85 km away
  35. 3.195 km SSW of Nikolski, Alaska · 1842 days ago · 7 km deep · 95 km away
  36. 3.1113 km SW of Nikolski, Alaska · 1838 days ago · 35 km deep · 60 km away
  37. 3.7198 km SW of Nikolski, Alaska · 1834 days ago · 43 km deep · 82 km away
  38. 3.9191 km ESE of Atka, Alaska · 1831 days ago · 44 km deep · 88 km away

Before

  1. 2.149 km SW of Nikolski, Alaska · 1889 days ago · 13 km deep · 91 km away
  2. 2.051 km WSW of Nikolski, Alaska · 1891 days ago · 13 km deep · 88 km away
  3. 3.4181 km WSW of Nikolski, Alaska · 1892 days ago · 10 km deep · 48 km away
  4. 3.3179 km SW of Nikolski, Alaska · 1892 days ago · 35 km deep · 49 km away
  5. 4.274 km WNW of Nikolski, Alaska · 1893 days ago · 112 km deep · 91 km away
  6. 1.663 km SW of Nikolski, Alaska · 1896 days ago · 27 km deep · 88 km away
  7. 2.544 km SW of Nikolski, Alaska · 1896 days ago · 33 km deep · 98 km away
  8. 1.857 km SW of Nikolski, Alaska · 1897 days ago · 32 km deep · 85 km away
  9. 2.4144 km SW of Nikolski, Alaska · 1897 days ago · 19 km deep · 47 km away
  10. 2.9160 km SW of Nikolski, Alaska · 1898 days ago · 0 km deep · 61 km away
  11. 2.1Fox Islands, Aleutian Islands, Alaska · 1901 days ago · 25 km deep · 75 km away
  12. 3.451 km SW of Nikolski, Alaska · 1902 days ago · 17 km deep · 93 km away
  13. 2.8114 km SW of Nikolski, Alaska · 1906 days ago · 26 km deep · 60 km away
  14. 2.2178 km SW of Nikolski, Alaska · 1907 days ago · 24 km deep · 55 km away
  15. 2.8112 km SSW of Nikolski, Alaska · 1907 days ago · 35 km deep · 81 km away
  16. 3.8106 km SW of Nikolski, Alaska · 1907 days ago · 44 km deep · 57 km away
  17. 3.088 km WSW of Nikolski, Alaska · 1916 days ago · 144 km deep · 52 km away
  18. 3.863 km W of Nikolski, Alaska · 1918 days ago · 136 km deep · 94 km away
  19. 1.946 km WSW of Nikolski, Alaska · 1918 days ago · 7 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219si5awv. Read Sat, Oct 3, 2026, 6:54 AM UTC.