Alaska earthquakes

M2.1 earthquake 112 km SW of Nikolski, Alaska

A magnitude 2.1 earthquake struck 112 km SW of Nikolski, Alaska on Sat, Aug 14, 2021, 4:39 PM HADT (01:39 UTC), 33 km (21 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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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.1 (ml), micro
Local time
UTC
2021-08-15 01:39:33 UTC
Depth
33.4 km (20.8 mi), shallow
Epicenter
52.217° N, 170.030° 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: 34 in the 60 days after this one and 30 in the 30 days before it.

After

  1. 3.8175 km SW of Nikolski, Alaska · 1868 days ago · 35 km deep · 65 km away
  2. 2.294 km WSW of Nikolski, Alaska · 1867 days ago · 2 km deep · 52 km away
  3. 2.097 km WSW of Nikolski, Alaska · 1867 days ago · 5 km deep · 51 km away
  4. 3.194 km SW of Nikolski, Alaska · 1867 days ago · 10 km deep · 22 km away
  5. 3.7157 km SW of Nikolski, Alaska · 1867 days ago · 25 km deep · 48 km away
  6. 2.047 km SW of Nikolski, Alaska · 1867 days ago · 5 km deep · 67 km away
  7. 3.1166 km SW of Nikolski, Alaska · 1866 days ago · 37 km deep · 54 km away
  8. 3.268 km SW of Nikolski, Alaska · 1864 days ago · 87 km deep · 44 km away
  9. 2.3127 km SW of Nikolski, Alaska · 1864 days ago · 33 km deep · 25 km away
  10. 3.627 km WSW of Nikolski, Alaska · 1863 days ago · 80 km deep · 90 km away
  11. 2.850 km SW of Nikolski, Alaska · 1861 days ago · 10 km deep · 63 km away
  12. 2.784 km SW of Nikolski, Alaska · 1860 days ago · 25 km deep · 32 km away
  13. 1.954 km S of Nikolski, Alaska · 1860 days ago · 27 km deep · 80 km away
  14. 2.957 km W of Nikolski, Alaska · 1859 days ago · 11 km deep · 85 km away
  15. 1.965 km SSW of Nikolski, Alaska · 1858 days ago · 40 km deep · 50 km away
  16. 3.0196 km SW of Nikolski, Alaska · 1856 days ago · 35 km deep · 89 km away
  17. 2.4152 km WSW of Nikolski, Alaska · 1853 days ago · 60 km deep · 63 km away
  18. 3.3112 km SW of Nikolski, Alaska · 1851 days ago · 35 km deep · 5 km away
  19. 1.930 km SSW of Nikolski, Alaska · 1850 days ago · 19 km deep · 86 km away
  20. 2.6139 km WSW of Nikolski, Alaska · 1848 days ago · 88 km deep · 74 km away
  21. 3.367 km SW of Nikolski, Alaska · 1842 days ago · 35 km deep · 46 km away
  22. 3.195 km SSW of Nikolski, Alaska · 1839 days ago · 7 km deep · 41 km away
  23. 3.1113 km SW of Nikolski, Alaska · 1835 days ago · 35 km deep · 6 km away
  24. 2.749 km S of Nikolski, Alaska · 1835 days ago · 13 km deep · 83 km away
  25. 3.7198 km SW of Nikolski, Alaska · 1831 days ago · 43 km deep · 86 km away
  26. 5.2185 km SW of Nikolski, Alaska · 1825 days ago · 35 km deep · 78 km away · felt by 3
  27. 4.8190 km SW of Nikolski, Alaska · 1825 days ago · 35 km deep · 81 km away
  28. 3.0191 km SW of Nikolski, Alaska · 1824 days ago · 2 km deep · 82 km away
  29. 4.5184 km WSW of Nikolski, Alaska · 1823 days ago · 46 km deep · 81 km away
  30. 3.1126 km WSW of Nikolski, Alaska · 1820 days ago · 123 km deep · 32 km away
  31. 2.8Fox Islands, Aleutian Islands, Alaska · 1819 days ago · 20 km deep · 78 km away
  32. 2.225 km W of Nikolski, Alaska · 1819 days ago · 86 km deep · 94 km away
  33. 2.954 km SW of Nikolski, Alaska · 1818 days ago · 35 km deep · 59 km away
  34. 3.8Fox Islands, Aleutian Islands, Alaska · 1812 days ago · 35 km deep · 47 km away

Before

  1. 3.025 km S of Nikolski, Alaska · 1873 days ago · 36 km deep · 100 km away
  2. 2.1191 km SW of Nikolski, Alaska · 1873 days ago · 38 km deep · 84 km away
  3. 1.996 km WSW of Nikolski, Alaska · 1873 days ago · 5 km deep · 32 km away
  4. 2.093 km WSW of Nikolski, Alaska · 1873 days ago · 3 km deep · 46 km away
  5. 2.5183 km SW of Nikolski, Alaska · 1874 days ago · 37 km deep · 71 km away
  6. 1.985 km SSW of Nikolski, Alaska · 1874 days ago · 30 km deep · 48 km away
  7. 1.9130 km SW of Nikolski, Alaska · 1875 days ago · 21 km deep · 18 km away
  8. 2.778 km SSW of Nikolski, Alaska · 1876 days ago · 35 km deep · 39 km away
  9. 3.942 km WNW of Nikolski, Alaska · 1876 days ago · 136 km deep · 98 km away
  10. 2.956 km SW of Nikolski, Alaska · 1876 days ago · 34 km deep · 58 km away
  11. 3.1140 km SW of Nikolski, Alaska · 1881 days ago · 21 km deep · 29 km away
  12. 2.2Fox Islands, Aleutian Islands, Alaska · 1883 days ago · 20 km deep · 44 km away
  13. 2.775 km SW of Nikolski, Alaska · 1883 days ago · 35 km deep · 37 km away
  14. 2.3139 km WSW of Nikolski, Alaska · 1886 days ago · 67 km deep · 55 km away
  15. 2.8130 km SSW of Nikolski, Alaska · 1886 days ago · 28 km deep · 56 km away
  16. 2.149 km SW of Nikolski, Alaska · 1886 days ago · 13 km deep · 65 km away
  17. 1.8Fox Islands, Aleutian Islands, Alaska · 1886 days ago · 12 km deep · 83 km away
  18. 2.051 km WSW of Nikolski, Alaska · 1888 days ago · 13 km deep · 65 km away
  19. 3.4181 km WSW of Nikolski, Alaska · 1889 days ago · 10 km deep · 78 km away
  20. 3.3179 km SW of Nikolski, Alaska · 1889 days ago · 35 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021afftn8v. Read Wed, Sep 30, 2026, 3:37 AM UTC.