Alaska earthquakes

M1.9 earthquake 65 km SSW of Nikolski, Alaska

A magnitude 1.9 earthquake struck 65 km SSW of Nikolski, Alaska on Sun, Aug 29, 2021, 1:47 AM AKDT (09:47 UTC), 40 km (25 mi) below the surface.

A larger quake followed: M4.4 39 km ESE 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
1.9 (ml), micro
Local time
UTC
2021-08-29 09:47:02 UTC
Depth
39.9 km (24.8 mi), shallow
Epicenter
52.448° N, 169.392° 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
18

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 42 in the 30 days before it.

After

  1. 2.055 km SE of Nikolski, Alaska · 1854 days ago · 19 km deep · 77 km away
  2. 1.741 km SSE of Nikolski, Alaska · 1853 days ago · 45 km deep · 53 km away
  3. 2.115 km NNE of Nikolski, Alaska · 1849 days ago · 100 km deep · 81 km away
  4. 3.3112 km SW of Nikolski, Alaska · 1849 days ago · 35 km deep · 49 km away
  5. 1.930 km SSW of Nikolski, Alaska · 1848 days ago · 19 km deep · 36 km away
  6. 2.071 km SE of Nikolski, Alaska · 1846 days ago · 25 km deep · 78 km away
  7. 3.220 km SSE of Nikolski, Alaska · 1844 days ago · 83 km deep · 60 km away
  8. 3.367 km SW of Nikolski, Alaska · 1840 days ago · 35 km deep · 8 km away
  9. 3.195 km SSW of Nikolski, Alaska · 1837 days ago · 7 km deep · 33 km away
  10. 2.380 km SE of Nikolski, Alaska · 1836 days ago · 25 km deep · 94 km away
  11. 3.1113 km SW of Nikolski, Alaska · 1833 days ago · 35 km deep · 49 km away
  12. 2.749 km S of Nikolski, Alaska · 1833 days ago · 13 km deep · 34 km away
  13. 2.652 km ESE of Nikolski, Alaska · 1832 days ago · 34 km deep · 89 km away
  14. 4.439 km ESE of Nikolski, Alaska · 1830 days ago · 39 km deep · 77 km away
  15. 1.944 km ESE of Nikolski, Alaska · 1830 days ago · 39 km deep · 79 km away
  16. 1.846 km SE of Nikolski, Alaska · 1830 days ago · 22 km deep · 80 km away
  17. 2.191 km SE of Nikolski, Alaska · 1820 days ago · 26 km deep · 96 km away
  18. 3.1126 km WSW of Nikolski, Alaska · 1818 days ago · 123 km deep · 73 km away
  19. 2.225 km W of Nikolski, Alaska · 1817 days ago · 86 km deep · 52 km away
  20. 2.954 km SW of Nikolski, Alaska · 1816 days ago · 35 km deep · 11 km away
  21. 3.8Fox Islands, Aleutian Islands, Alaska · 1810 days ago · 35 km deep · 33 km away
  22. 3.768 km SW of Nikolski, Alaska · 1808 days ago · 130 km deep · 7 km away
  23. 3.9Fox Islands, Aleutian Islands, Alaska · 1805 days ago · 46 km deep · 62 km away
  24. 3.342 km SSE of Nikolski, Alaska · 1805 days ago · 40 km deep · 56 km away
  25. 2.345 km SW of Nikolski, Alaska · 1805 days ago · 20 km deep · 28 km away
  26. 2.9125 km SW of Nikolski, Alaska · 1798 days ago · 24 km deep · 66 km away
  27. 3.0143 km SW of Nikolski, Alaska · 1797 days ago · 17 km deep · 85 km away
  28. 3.948 km ESE of Nikolski, Alaska · 1796 days ago · 42 km deep · 90 km away

Before

  1. 4.041 km ESE of Nikolski, Alaska · 1856 days ago · 53 km deep · 87 km away
  2. 1.857 km ESE of Nikolski, Alaska · 1856 days ago · 37 km deep · 89 km away
  3. 2.957 km W of Nikolski, Alaska · 1857 days ago · 11 km deep · 61 km away
  4. 1.954 km S of Nikolski, Alaska · 1858 days ago · 27 km deep · 32 km away
  5. 2.784 km SW of Nikolski, Alaska · 1858 days ago · 25 km deep · 20 km away
  6. 2.850 km SW of Nikolski, Alaska · 1859 days ago · 10 km deep · 15 km away
  7. 1.529 km E of Nikolski, Alaska · 1860 days ago · 53 km deep · 84 km away
  8. 4.251 km SE of Nikolski, Alaska · 1860 days ago · 49 km deep · 74 km away
  9. 3.627 km WSW of Nikolski, Alaska · 1860 days ago · 80 km deep · 48 km away
  10. 1.840 km ESE of Nikolski, Alaska · 1861 days ago · 48 km deep · 83 km away
  11. 2.756 km SE of Nikolski, Alaska · 1861 days ago · 35 km deep · 86 km away
  12. 2.3127 km SW of Nikolski, Alaska · 1861 days ago · 33 km deep · 71 km away
  13. 3.696 km SSE of Nikolski, Alaska · 1862 days ago · 10 km deep · 74 km away
  14. 3.268 km SW of Nikolski, Alaska · 1862 days ago · 87 km deep · 17 km away
  15. 2.047 km SW of Nikolski, Alaska · 1865 days ago · 5 km deep · 28 km away
  16. 3.7157 km SW of Nikolski, Alaska · 1865 days ago · 25 km deep · 98 km away
  17. 3.194 km SW of Nikolski, Alaska · 1865 days ago · 10 km deep · 30 km away
  18. 2.097 km WSW of Nikolski, Alaska · 1865 days ago · 5 km deep · 62 km away
  19. 2.294 km WSW of Nikolski, Alaska · 1865 days ago · 2 km deep · 60 km away
  20. 2.6100 km SSE of Nikolski, Alaska · 1867 days ago · 35 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021b2q5mat. Read Mon, Sep 28, 2026, 1:02 AM UTC.