Alaska earthquakes

M2.0 earthquake 152 km ESE of Nikolski, Alaska

A magnitude 2.0 earthquake struck 152 km ESE of Nikolski, Alaska on Sun, Aug 29, 2021, 9:33 PM AKDT (05:33 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M4.1 77 km SSW of Unalaska, Alaska. This one was a foreshock.

Unalaska forecastMore in Alaska

Map

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

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The earthquake

Magnitude
2.0 (ml), micro
Local time
UTC
2021-08-30 05:33:59 UTC
Depth
14.8 km (9.2 mi), shallow
Epicenter
52.490° N, 166.728° 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
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 39 in the 60 days after this one and 30 in the 30 days before it.

After

  1. 1.984 km E of Nikolski, Alaska · 1856 days ago · 53 km deep · 77 km away
  2. 1.688 km SSW of Unalaska, Alaska · 1855 days ago · 24 km deep · 75 km away
  3. 2.674 km SSW of Unalaska, Alaska · 1855 days ago · 55 km deep · 82 km away
  4. 1.9140 km ESE of Nikolski, Alaska · 1854 days ago · 14 km deep · 12 km away
  5. 1.9136 km ESE of Nikolski, Alaska · 1854 days ago · 7 km deep · 20 km away
  6. 2.9103 km ESE of Nikolski, Alaska · 1853 days ago · 25 km deep · 52 km away
  7. 2.3177 km SE of Nikolski, Alaska · 1851 days ago · 26 km deep · 92 km away
  8. 2.863 km SSW of Unalaska, Alaska · 1851 days ago · 67 km deep · 98 km away
  9. 3.6127 km S of Unalaska, Alaska · 1850 days ago · 7 km deep · 27 km away
  10. 2.184 km S of Unalaska, Alaska · 1850 days ago · 26 km deep · 72 km away
  11. 1.8144 km S of Unalaska, Alaska · 1849 days ago · 26 km deep · 16 km away
  12. 1.7143 km S of Unalaska, Alaska · 1849 days ago · 21 km deep · 14 km away
  13. 1.6124 km S of Unalaska, Alaska · 1849 days ago · 2 km deep · 31 km away
  14. 1.8102 km E of Nikolski, Alaska · 1845 days ago · 25 km deep · 62 km away
  15. 2.380 km SE of Nikolski, Alaska · 1838 days ago · 25 km deep · 87 km away
  16. 1.981 km SSE of Unalaska, Alaska · 1838 days ago · 25 km deep · 93 km away
  17. 2.098 km E of Nikolski, Alaska · 1833 days ago · 26 km deep · 63 km away
  18. 2.684 km S of Unalaska, Alaska · 1832 days ago · 35 km deep · 71 km away
  19. 3.2109 km SSW of Unalaska, Alaska · 1828 days ago · 29 km deep · 48 km away
  20. 3.085 km SSW of Unalaska, Alaska · 1828 days ago · 35 km deep · 71 km away
  21. 1.9107 km E of Nikolski, Alaska · 1826 days ago · 14 km deep · 60 km away
  22. 2.191 km SE of Nikolski, Alaska · 1822 days ago · 26 km deep · 88 km away
  23. 2.5107 km ESE of Nikolski, Alaska · 1821 days ago · 23 km deep · 50 km away
  24. 2.984 km E of Nikolski, Alaska · 1819 days ago · 35 km deep · 70 km away
  25. 1.781 km SSE of Unalaska, Alaska · 1819 days ago · 26 km deep · 92 km away
  26. 1.8105 km ESE of Nikolski, Alaska · 1818 days ago · 17 km deep · 48 km away
  27. 4.177 km SSW of Unalaska, Alaska · 1817 days ago · 44 km deep · 80 km away
  28. 2.088 km S of Unalaska, Alaska · 1815 days ago · 41 km deep · 67 km away
  29. 3.091 km SW of Unalaska, Alaska · 1814 days ago · 35 km deep · 96 km away
  30. 3.782 km E of Nikolski, Alaska · 1812 days ago · 42 km deep · 73 km away
  31. 1.8103 km ESE of Nikolski, Alaska · 1812 days ago · 26 km deep · 51 km away
  32. 2.882 km S of Unalaska, Alaska · 1811 days ago · 34 km deep · 73 km away
  33. 3.887 km SSW of Unalaska, Alaska · 1811 days ago · 35 km deep · 71 km away
  34. 2.890 km S of Unalaska, Alaska · 1810 days ago · 35 km deep · 65 km away
  35. 1.787 km SSW of Unalaska, Alaska · 1805 days ago · 26 km deep · 73 km away
  36. 3.199 km E of Nikolski, Alaska · 1802 days ago · 35 km deep · 58 km away
  37. 3.0102 km E of Nikolski, Alaska · 1802 days ago · 35 km deep · 56 km away
  38. 2.9102 km E of Nikolski, Alaska · 1802 days ago · 35 km deep · 55 km away
  39. 2.590 km S of Unalaska, Alaska · 1797 days ago · 29 km deep · 64 km away

Before

  1. 1.8135 km ESE of Nikolski, Alaska · 1857 days ago · 25 km deep · 21 km away
  2. 1.789 km E of Nikolski, Alaska · 1857 days ago · 25 km deep · 68 km away
  3. 1.857 km ESE of Nikolski, Alaska · 1858 days ago · 37 km deep · 97 km away
  4. 1.757 km ESE of Nikolski, Alaska · 1861 days ago · 26 km deep · 95 km away
  5. 2.756 km SE of Nikolski, Alaska · 1862 days ago · 35 km deep · 99 km away
  6. 2.8185 km SSE of Unalaska, Alaska · 1862 days ago · 10 km deep · 58 km away
  7. 1.768 km E of Nikolski, Alaska · 1865 days ago · 30 km deep · 88 km away
  8. 1.8151 km ESE of Nikolski, Alaska · 1866 days ago · 18 km deep · 2 km away
  9. 1.595 km E of Nikolski, Alaska · 1868 days ago · 49 km deep · 67 km away
  10. 2.6100 km SSE of Nikolski, Alaska · 1868 days ago · 35 km deep · 98 km away
  11. 4.670 km E of Nikolski, Alaska · 1869 days ago · 43 km deep · 89 km away · felt by 1
  12. 4.086 km E of Nikolski, Alaska · 1869 days ago · 35 km deep · 70 km away
  13. 1.962 km E of Nikolski, Alaska · 1869 days ago · 67 km deep · 95 km away
  14. 1.786 km SSW of Unalaska, Alaska · 1872 days ago · 26 km deep · 70 km away
  15. 3.5147 km ESE of Nikolski, Alaska · 1874 days ago · 18 km deep · 10 km away
  16. 1.585 km ESE of Nikolski, Alaska · 1874 days ago · 26 km deep · 68 km away
  17. 1.5141 km S of Unalaska, Alaska · 1875 days ago · 13 km deep · 15 km away
  18. 1.582 km SSW of Unalaska, Alaska · 1877 days ago · 25 km deep · 77 km away
  19. 1.792 km E of Nikolski, Alaska · 1877 days ago · 26 km deep · 75 km away
  20. 2.0137 km S of Unalaska, Alaska · 1878 days ago · 9 km deep · 18 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021b4b8cr0. Read Tue, Sep 29, 2026, 5:55 PM UTC.