Alaska earthquakes

M2.9 earthquake 160 km SW of Nikolski, Alaska

A magnitude 2.9 earthquake struck 160 km SW of Nikolski, Alaska on Fri, Jul 23, 2021, 1:14 AM HADT (10:14 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.8 123 km SSW 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
2.9 (ml), micro
Local time
UTC
2021-07-23 10:14:32 UTC
Depth
0.4 km (0.2 mi), shallow
Epicenter
51.911° N, 170.521° 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
29

Nearby

Within 100 km, magnitude 1.5 and up: 38 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 3.8123 km SSW of Nikolski, Alaska · 1895 days ago · 10 km deep · 76 km away
  2. 2.4144 km SW of Nikolski, Alaska · 1894 days ago · 19 km deep · 18 km away
  3. 1.663 km SW of Nikolski, Alaska · 1893 days ago · 27 km deep · 97 km away
  4. 2.1102 km SSW of Nikolski, Alaska · 1893 days ago · 36 km deep · 80 km away
  5. 3.3179 km SW of Nikolski, Alaska · 1889 days ago · 35 km deep · 40 km away
  6. 3.4181 km WSW of Nikolski, Alaska · 1889 days ago · 10 km deep · 47 km away
  7. 2.8130 km SSW of Nikolski, Alaska · 1886 days ago · 28 km deep · 71 km away
  8. 2.3139 km WSW of Nikolski, Alaska · 1886 days ago · 67 km deep · 61 km away
  9. 2.775 km SW of Nikolski, Alaska · 1883 days ago · 35 km deep · 85 km away
  10. 2.2Fox Islands, Aleutian Islands, Alaska · 1883 days ago · 20 km deep · 91 km away
  11. 3.2185 km ESE of Atka, Alaska · 1882 days ago · 36 km deep · 78 km away
  12. 3.1140 km SW of Nikolski, Alaska · 1881 days ago · 21 km deep · 23 km away
  13. 3.0174 km E of Atka, Alaska · 1879 days ago · 35 km deep · 80 km away
  14. 2.778 km SSW of Nikolski, Alaska · 1876 days ago · 35 km deep · 85 km away
  15. 1.9130 km SW of Nikolski, Alaska · 1875 days ago · 21 km deep · 31 km away
  16. 1.985 km SSW of Nikolski, Alaska · 1874 days ago · 30 km deep · 89 km away
  17. 2.5183 km SW of Nikolski, Alaska · 1874 days ago · 37 km deep · 23 km away
  18. 2.093 km WSW of Nikolski, Alaska · 1873 days ago · 3 km deep · 83 km away
  19. 1.996 km WSW of Nikolski, Alaska · 1873 days ago · 5 km deep · 72 km away
  20. 2.1191 km SW of Nikolski, Alaska · 1873 days ago · 38 km deep · 47 km away
  21. 2.1112 km SW of Nikolski, Alaska · 1872 days ago · 33 km deep · 48 km away
  22. 3.8175 km SW of Nikolski, Alaska · 1869 days ago · 35 km deep · 24 km away
  23. 2.294 km WSW of Nikolski, Alaska · 1868 days ago · 2 km deep · 88 km away
  24. 2.097 km WSW of Nikolski, Alaska · 1867 days ago · 5 km deep · 86 km away
  25. 3.194 km SW of Nikolski, Alaska · 1867 days ago · 10 km deep · 67 km away
  26. 3.7157 km SW of Nikolski, Alaska · 1867 days ago · 25 km deep · 21 km away
  27. 3.1166 km SW of Nikolski, Alaska · 1867 days ago · 37 km deep · 13 km away
  28. 3.268 km SW of Nikolski, Alaska · 1865 days ago · 87 km deep · 92 km away
  29. 2.3127 km SW of Nikolski, Alaska · 1864 days ago · 33 km deep · 41 km away
  30. 2.784 km SW of Nikolski, Alaska · 1861 days ago · 25 km deep · 78 km away
  31. 1.965 km SSW of Nikolski, Alaska · 1858 days ago · 40 km deep · 97 km away
  32. 3.0196 km SW of Nikolski, Alaska · 1857 days ago · 35 km deep · 52 km away
  33. 2.4152 km WSW of Nikolski, Alaska · 1853 days ago · 60 km deep · 59 km away
  34. 3.3112 km SW of Nikolski, Alaska · 1851 days ago · 35 km deep · 49 km away
  35. 2.6139 km WSW of Nikolski, Alaska · 1848 days ago · 88 km deep · 85 km away
  36. 3.367 km SW of Nikolski, Alaska · 1842 days ago · 35 km deep · 94 km away
  37. 3.195 km SSW of Nikolski, Alaska · 1839 days ago · 7 km deep · 79 km away
  38. 3.1113 km SW of Nikolski, Alaska · 1835 days ago · 35 km deep · 48 km away

Before

  1. 2.1Fox Islands, Aleutian Islands, Alaska · 1898 days ago · 25 km deep · 84 km away
  2. 2.8114 km SW of Nikolski, Alaska · 1903 days ago · 26 km deep · 47 km away
  3. 2.2178 km SW of Nikolski, Alaska · 1904 days ago · 24 km deep · 30 km away
  4. 2.8112 km SSW of Nikolski, Alaska · 1904 days ago · 35 km deep · 58 km away
  5. 3.8106 km SW of Nikolski, Alaska · 1905 days ago · 44 km deep · 54 km away
  6. 3.088 km WSW of Nikolski, Alaska · 1913 days ago · 144 km deep · 93 km away
  7. 3.375 km SW of Nikolski, Alaska · 1916 days ago · 34 km deep · 87 km away
  8. 2.094 km SSW of Nikolski, Alaska · 1920 days ago · 49 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219djo7ai. Read Wed, Sep 30, 2026, 8:21 AM UTC.