Alaska earthquakes

M1.9 earthquake 130 km SW of Nikolski, Alaska

A magnitude 1.9 earthquake struck 130 km SW of Nikolski, Alaska on Wed, Aug 11, 2021, 12:53 PM HADT (21:53 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M5.2 185 km SW of Nikolski, 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
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-08-11 21:53:42 UTC
Depth
20.9 km (13.0 mi), shallow
Epicenter
52.151° N, 170.279° 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
10

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 1.985 km SSW of Nikolski, Alaska · 1876 days ago · 30 km deep · 66 km away
  2. 2.5183 km SW of Nikolski, Alaska · 1876 days ago · 37 km deep · 54 km away
  3. 2.093 km WSW of Nikolski, Alaska · 1875 days ago · 3 km deep · 53 km away
  4. 1.996 km WSW of Nikolski, Alaska · 1875 days ago · 5 km deep · 41 km away
  5. 2.1191 km SW of Nikolski, Alaska · 1875 days ago · 38 km deep · 66 km away
  6. 2.1112 km SW of Nikolski, Alaska · 1874 days ago · 33 km deep · 18 km away
  7. 3.8175 km SW of Nikolski, Alaska · 1870 days ago · 35 km deep · 46 km away
  8. 2.294 km WSW of Nikolski, Alaska · 1869 days ago · 2 km deep · 59 km away
  9. 2.097 km WSW of Nikolski, Alaska · 1869 days ago · 5 km deep · 57 km away
  10. 3.194 km SW of Nikolski, Alaska · 1869 days ago · 10 km deep · 40 km away
  11. 3.7157 km SW of Nikolski, Alaska · 1868 days ago · 25 km deep · 29 km away
  12. 2.047 km SW of Nikolski, Alaska · 1868 days ago · 5 km deep · 83 km away
  13. 3.1166 km SW of Nikolski, Alaska · 1868 days ago · 37 km deep · 40 km away
  14. 3.268 km SW of Nikolski, Alaska · 1866 days ago · 87 km deep · 61 km away
  15. 2.3127 km SW of Nikolski, Alaska · 1865 days ago · 33 km deep · 15 km away
  16. 2.850 km SW of Nikolski, Alaska · 1862 days ago · 10 km deep · 81 km away
  17. 2.784 km SW of Nikolski, Alaska · 1862 days ago · 25 km deep · 51 km away
  18. 1.954 km S of Nikolski, Alaska · 1862 days ago · 27 km deep · 98 km away
  19. 2.957 km W of Nikolski, Alaska · 1861 days ago · 11 km deep · 97 km away
  20. 1.965 km SSW of Nikolski, Alaska · 1859 days ago · 40 km deep · 69 km away
  21. 3.0196 km SW of Nikolski, Alaska · 1858 days ago · 35 km deep · 71 km away
  22. 2.4152 km WSW of Nikolski, Alaska · 1854 days ago · 60 km deep · 50 km away
  23. 3.3112 km SW of Nikolski, Alaska · 1853 days ago · 35 km deep · 21 km away
  24. 2.6139 km WSW of Nikolski, Alaska · 1850 days ago · 88 km deep · 68 km away
  25. 3.367 km SW of Nikolski, Alaska · 1844 days ago · 35 km deep · 64 km away
  26. 3.195 km SSW of Nikolski, Alaska · 1841 days ago · 7 km deep · 58 km away
  27. 3.1113 km SW of Nikolski, Alaska · 1837 days ago · 35 km deep · 21 km away
  28. 3.7198 km SW of Nikolski, Alaska · 1832 days ago · 43 km deep · 69 km away
  29. 3.9191 km ESE of Atka, Alaska · 1830 days ago · 44 km deep · 92 km away
  30. 5.2185 km SW of Nikolski, Alaska · 1827 days ago · 35 km deep · 59 km away · felt by 3
  31. 4.8190 km SW of Nikolski, Alaska · 1827 days ago · 35 km deep · 63 km away
  32. 3.0191 km SW of Nikolski, Alaska · 1826 days ago · 2 km deep · 63 km away
  33. 4.5184 km WSW of Nikolski, Alaska · 1824 days ago · 46 km deep · 64 km away
  34. 3.1126 km WSW of Nikolski, Alaska · 1822 days ago · 123 km deep · 25 km away
  35. 2.8Fox Islands, Aleutian Islands, Alaska · 1821 days ago · 20 km deep · 59 km away
  36. 2.954 km SW of Nikolski, Alaska · 1820 days ago · 35 km deep · 77 km away

Before

  1. 2.778 km SSW of Nikolski, Alaska · 1877 days ago · 35 km deep · 57 km away
  2. 2.956 km SW of Nikolski, Alaska · 1878 days ago · 34 km deep · 74 km away
  3. 3.0174 km E of Atka, Alaska · 1881 days ago · 35 km deep · 99 km away
  4. 3.1140 km SW of Nikolski, Alaska · 1882 days ago · 21 km deep · 11 km away
  5. 2.2Fox Islands, Aleutian Islands, Alaska · 1885 days ago · 20 km deep · 61 km away
  6. 2.775 km SW of Nikolski, Alaska · 1885 days ago · 35 km deep · 55 km away
  7. 2.3139 km WSW of Nikolski, Alaska · 1887 days ago · 67 km deep · 46 km away
  8. 2.8130 km SSW of Nikolski, Alaska · 1888 days ago · 28 km deep · 65 km away
  9. 2.149 km SW of Nikolski, Alaska · 1888 days ago · 13 km deep · 81 km away
  10. 2.051 km WSW of Nikolski, Alaska · 1890 days ago · 13 km deep · 81 km away
  11. 3.4181 km WSW of Nikolski, Alaska · 1891 days ago · 10 km deep · 60 km away
  12. 3.3179 km SW of Nikolski, Alaska · 1891 days ago · 35 km deep · 55 km away
  13. 2.1102 km SSW of Nikolski, Alaska · 1894 days ago · 36 km deep · 62 km away
  14. 1.663 km SW of Nikolski, Alaska · 1895 days ago · 27 km deep · 68 km away
  15. 2.544 km SW of Nikolski, Alaska · 1895 days ago · 33 km deep · 85 km away
  16. 1.857 km SW of Nikolski, Alaska · 1896 days ago · 32 km deep · 72 km away
  17. 2.4144 km SW of Nikolski, Alaska · 1896 days ago · 19 km deep · 15 km away
  18. 3.8123 km SSW of Nikolski, Alaska · 1896 days ago · 10 km deep · 66 km away
  19. 2.9160 km SW of Nikolski, Alaska · 1896 days ago · 0 km deep · 31 km away
  20. 2.1Fox Islands, Aleutian Islands, Alaska · 1899 days ago · 25 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021a95ny0s. Read Thu, Oct 1, 2026, 9:12 PM UTC.