Alaska earthquakes

M2.1 earthquake 91 km SE of Nikolski, Alaska

A magnitude 2.1 earthquake struck 91 km SE of Nikolski, Alaska on Sun, Oct 3, 2021, 11:16 AM AKDT (19:16 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M5.2 69 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
2.1 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-10-03 19:16:26 UTC
Depth
25.6 km (15.9 mi), shallow
Epicenter
52.316° N, 167.990° 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
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 42 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 2.5107 km ESE of Nikolski, Alaska · 1822 days ago · 23 km deep · 39 km away
  2. 2.984 km E of Nikolski, Alaska · 1821 days ago · 35 km deep · 60 km away
  3. 1.8105 km ESE of Nikolski, Alaska · 1820 days ago · 17 km deep · 47 km away
  4. 2.954 km SW of Nikolski, Alaska · 1819 days ago · 35 km deep · 96 km away
  5. 2.150 km ENE of Nikolski, Alaska · 1815 days ago · 65 km deep · 83 km away
  6. 3.8Fox Islands, Aleutian Islands, Alaska · 1814 days ago · 35 km deep · 94 km away
  7. 3.782 km E of Nikolski, Alaska · 1814 days ago · 42 km deep · 62 km away
  8. 1.8103 km ESE of Nikolski, Alaska · 1813 days ago · 26 km deep · 62 km away
  9. 3.342 km SSE of Nikolski, Alaska · 1809 days ago · 40 km deep · 52 km away
  10. 3.199 km E of Nikolski, Alaska · 1803 days ago · 35 km deep · 69 km away
  11. 3.0102 km E of Nikolski, Alaska · 1803 days ago · 35 km deep · 72 km away
  12. 2.9102 km E of Nikolski, Alaska · 1803 days ago · 35 km deep · 69 km away
  13. 3.948 km ESE of Nikolski, Alaska · 1800 days ago · 42 km deep · 56 km away
  14. 2.330 km S of Nikolski, Alaska · 1799 days ago · 51 km deep · 74 km away
  15. 3.643 km ESE of Nikolski, Alaska · 1799 days ago · 35 km deep · 53 km away
  16. 1.890 km E of Nikolski, Alaska · 1796 days ago · 51 km deep · 77 km away
  17. 2.044 km ESE of Nikolski, Alaska · 1795 days ago · 41 km deep · 50 km away
  18. 2.011 km S of Nikolski, Alaska · 1794 days ago · 68 km deep · 82 km away
  19. 5.269 km ESE of Nikolski, Alaska · 1792 days ago · 39 km deep · 39 km away · felt by 5 · tsunami flag
  20. 2.181 km ESE of Nikolski, Alaska · 1792 days ago · 25 km deep · 41 km away
  21. 1.5103 km E of Nikolski, Alaska · 1789 days ago · 26 km deep · 84 km away
  22. 1.5105 km E of Nikolski, Alaska · 1789 days ago · 7 km deep · 90 km away
  23. 2.015 km NNE of Nikolski, Alaska · 1788 days ago · 95 km deep · 97 km away
  24. 1.632 km ESE of Nikolski, Alaska · 1788 days ago · 56 km deep · 61 km away
  25. 2.892 km SSE of Nikolski, Alaska · 1787 days ago · 10 km deep · 18 km away
  26. 3.191 km SSW of Nikolski, Alaska · 1785 days ago · 35 km deep · 95 km away
  27. 3.073 km SSW of Nikolski, Alaska · 1785 days ago · 7 km deep · 99 km away
  28. 2.953 km SE of Nikolski, Alaska · 1781 days ago · 35 km deep · 41 km away
  29. 1.854 km E of Nikolski, Alaska · 1780 days ago · 74 km deep · 73 km away
  30. 2.0107 km ESE of Nikolski, Alaska · 1779 days ago · 15 km deep · 41 km away
  31. 3.1Fox Islands, Aleutian Islands, Alaska · 1776 days ago · 53 km deep · 59 km away
  32. 2.292 km SE of Nikolski, Alaska · 1775 days ago · 26 km deep · 6 km away
  33. 2.172 km E of Nikolski, Alaska · 1774 days ago · 35 km deep · 69 km away
  34. 3.828 km E of Nikolski, Alaska · 1774 days ago · 66 km deep · 72 km away
  35. 3.994 km SSE of Nikolski, Alaska · 1773 days ago · 24 km deep · 13 km away
  36. 2.551 km ESE of Nikolski, Alaska · 1771 days ago · 35 km deep · 53 km away
  37. 2.032 km SE of Nikolski, Alaska · 1769 days ago · 31 km deep · 60 km away
  38. 2.197 km E of Nikolski, Alaska · 1767 days ago · 26 km deep · 81 km away
  39. 2.2103 km E of Nikolski, Alaska · 1766 days ago · 26 km deep · 80 km away
  40. 1.985 km ENE of Nikolski, Alaska · 1766 days ago · 53 km deep · 96 km away
  41. 2.248 km S of Nikolski, Alaska · 1765 days ago · 47 km deep · 66 km away
  42. 2.154 km ESE of Nikolski, Alaska · 1765 days ago · 22 km deep · 46 km away

Before

  1. 1.9107 km E of Nikolski, Alaska · 1827 days ago · 14 km deep · 84 km away
  2. 3.2109 km SSW of Unalaska, Alaska · 1830 days ago · 29 km deep · 100 km away
  3. 1.846 km SE of Nikolski, Alaska · 1833 days ago · 22 km deep · 48 km away
  4. 1.944 km ESE of Nikolski, Alaska · 1833 days ago · 39 km deep · 50 km away
  5. 4.439 km ESE of Nikolski, Alaska · 1834 days ago · 39 km deep · 55 km away
  6. 2.098 km E of Nikolski, Alaska · 1835 days ago · 26 km deep · 75 km away
  7. 2.652 km ESE of Nikolski, Alaska · 1836 days ago · 34 km deep · 47 km away
  8. 2.749 km S of Nikolski, Alaska · 1836 days ago · 13 km deep · 64 km away
  9. 2.380 km SE of Nikolski, Alaska · 1840 days ago · 25 km deep · 13 km away
  10. 1.8102 km E of Nikolski, Alaska · 1847 days ago · 25 km deep · 78 km away
  11. 3.220 km SSE of Nikolski, Alaska · 1847 days ago · 83 km deep · 71 km away
  12. 2.071 km SE of Nikolski, Alaska · 1849 days ago · 25 km deep · 21 km away
  13. 1.6124 km S of Unalaska, Alaska · 1851 days ago · 2 km deep · 97 km away
  14. 1.7143 km S of Unalaska, Alaska · 1851 days ago · 21 km deep · 99 km away
  15. 1.930 km SSW of Nikolski, Alaska · 1851 days ago · 19 km deep · 81 km away
  16. 3.6127 km S of Unalaska, Alaska · 1851 days ago · 7 km deep · 96 km away
  17. 2.115 km NNE of Nikolski, Alaska · 1852 days ago · 100 km deep · 97 km away
  18. 2.3177 km SE of Nikolski, Alaska · 1853 days ago · 26 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021corqi9i. Read Thu, Oct 1, 2026, 10:26 AM UTC.