Alaska earthquakes

M1.8 earthquake 135 km ESE of Nikolski, Alaska

A magnitude 1.8 earthquake struck 135 km ESE of Nikolski, Alaska on Sun, Aug 29, 2021, 4:53 PM AKDT (00:53 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M2.0 152 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
1.8 (ml), micro
Local time
UTC
2021-08-30 00:53:11 UTC
Depth
25.4 km (15.8 mi), shallow
Epicenter
52.452° N, 167.032° 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
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 46 in the 60 days after this one and 35 in the 30 days before it.

After

  1. 2.0152 km ESE of Nikolski, Alaska · 1850 days ago · 15 km deep · 21 km away
  2. 2.055 km SE of Nikolski, Alaska · 1850 days ago · 19 km deep · 85 km away
  3. 1.984 km E of Nikolski, Alaska · 1849 days ago · 53 km deep · 66 km away
  4. 1.688 km SSW of Unalaska, Alaska · 1849 days ago · 24 km deep · 76 km away
  5. 2.674 km SSW of Unalaska, Alaska · 1849 days ago · 55 km deep · 87 km away
  6. 1.9140 km ESE of Nikolski, Alaska · 1848 days ago · 14 km deep · 12 km away
  7. 1.9136 km ESE of Nikolski, Alaska · 1848 days ago · 7 km deep · 22 km away
  8. 2.9103 km ESE of Nikolski, Alaska · 1847 days ago · 25 km deep · 40 km away
  9. 2.3177 km SE of Nikolski, Alaska · 1845 days ago · 26 km deep · 83 km away
  10. 3.6127 km S of Unalaska, Alaska · 1843 days ago · 7 km deep · 37 km away
  11. 2.184 km S of Unalaska, Alaska · 1843 days ago · 26 km deep · 78 km away
  12. 1.8144 km S of Unalaska, Alaska · 1843 days ago · 26 km deep · 36 km away
  13. 1.7143 km S of Unalaska, Alaska · 1843 days ago · 21 km deep · 33 km away
  14. 1.6124 km S of Unalaska, Alaska · 1843 days ago · 2 km deep · 40 km away
  15. 2.071 km SE of Nikolski, Alaska · 1841 days ago · 25 km deep · 83 km away
  16. 1.8102 km E of Nikolski, Alaska · 1839 days ago · 25 km deep · 54 km away
  17. 2.380 km SE of Nikolski, Alaska · 1832 days ago · 25 km deep · 66 km away
  18. 2.652 km ESE of Nikolski, Alaska · 1828 days ago · 34 km deep · 82 km away
  19. 2.098 km E of Nikolski, Alaska · 1827 days ago · 26 km deep · 55 km away
  20. 2.684 km S of Unalaska, Alaska · 1826 days ago · 35 km deep · 77 km away
  21. 4.439 km ESE of Nikolski, Alaska · 1826 days ago · 39 km deep · 96 km away
  22. 1.944 km ESE of Nikolski, Alaska · 1826 days ago · 39 km deep · 91 km away
  23. 1.846 km SE of Nikolski, Alaska · 1825 days ago · 22 km deep · 90 km away
  24. 3.2109 km SSW of Unalaska, Alaska · 1822 days ago · 29 km deep · 52 km away
  25. 3.085 km SSW of Unalaska, Alaska · 1822 days ago · 35 km deep · 76 km away
  26. 1.9107 km E of Nikolski, Alaska · 1820 days ago · 14 km deep · 55 km away
  27. 2.191 km SE of Nikolski, Alaska · 1816 days ago · 26 km deep · 67 km away
  28. 2.5107 km ESE of Nikolski, Alaska · 1814 days ago · 23 km deep · 30 km away
  29. 2.984 km E of Nikolski, Alaska · 1813 days ago · 35 km deep · 56 km away
  30. 1.8105 km ESE of Nikolski, Alaska · 1812 days ago · 17 km deep · 30 km away
  31. 4.177 km SSW of Unalaska, Alaska · 1810 days ago · 44 km deep · 84 km away
  32. 2.088 km S of Unalaska, Alaska · 1808 days ago · 41 km deep · 73 km away
  33. 3.091 km SW of Unalaska, Alaska · 1808 days ago · 35 km deep · 92 km away
  34. 3.782 km E of Nikolski, Alaska · 1806 days ago · 42 km deep · 60 km away
  35. 1.8103 km ESE of Nikolski, Alaska · 1806 days ago · 26 km deep · 38 km away
  36. 2.882 km S of Unalaska, Alaska · 1805 days ago · 34 km deep · 79 km away
  37. 3.887 km SSW of Unalaska, Alaska · 1805 days ago · 35 km deep · 74 km away
  38. 2.890 km S of Unalaska, Alaska · 1804 days ago · 35 km deep · 71 km away
  39. 3.686 km ENE of Nikolski, Alaska · 1799 days ago · 76 km deep · 96 km away
  40. 1.787 km SSW of Unalaska, Alaska · 1798 days ago · 26 km deep · 76 km away
  41. 3.199 km E of Nikolski, Alaska · 1796 days ago · 35 km deep · 47 km away
  42. 3.0102 km E of Nikolski, Alaska · 1795 days ago · 35 km deep · 47 km away
  43. 2.9102 km E of Nikolski, Alaska · 1795 days ago · 35 km deep · 45 km away
  44. 3.948 km ESE of Nikolski, Alaska · 1792 days ago · 42 km deep · 87 km away
  45. 2.590 km S of Unalaska, Alaska · 1791 days ago · 29 km deep · 73 km away
  46. 3.643 km ESE of Nikolski, Alaska · 1791 days ago · 35 km deep · 91 km away

Before

  1. 1.789 km E of Nikolski, Alaska · 1851 days ago · 25 km deep · 55 km away
  2. 4.041 km ESE of Nikolski, Alaska · 1851 days ago · 53 km deep · 94 km away
  3. 1.857 km ESE of Nikolski, Alaska · 1852 days ago · 37 km deep · 78 km away
  4. 1.757 km ESE of Nikolski, Alaska · 1855 days ago · 26 km deep · 78 km away
  5. 4.251 km SE of Nikolski, Alaska · 1856 days ago · 49 km deep · 90 km away
  6. 1.840 km ESE of Nikolski, Alaska · 1856 days ago · 48 km deep · 94 km away
  7. 2.756 km SE of Nikolski, Alaska · 1856 days ago · 35 km deep · 80 km away
  8. 2.8185 km SSE of Unalaska, Alaska · 1856 days ago · 10 km deep · 76 km away
  9. 1.768 km E of Nikolski, Alaska · 1859 days ago · 30 km deep · 75 km away
  10. 1.8151 km ESE of Nikolski, Alaska · 1860 days ago · 18 km deep · 21 km away
  11. 1.595 km E of Nikolski, Alaska · 1862 days ago · 49 km deep · 58 km away
  12. 2.6100 km SSE of Nikolski, Alaska · 1862 days ago · 35 km deep · 77 km away
  13. 4.670 km E of Nikolski, Alaska · 1863 days ago · 43 km deep · 76 km away · felt by 1
  14. 4.086 km E of Nikolski, Alaska · 1863 days ago · 35 km deep · 57 km away
  15. 1.962 km E of Nikolski, Alaska · 1863 days ago · 67 km deep · 81 km away
  16. 1.639 km SE of Nikolski, Alaska · 1865 days ago · 21 km deep · 99 km away
  17. 1.786 km SSW of Unalaska, Alaska · 1866 days ago · 26 km deep · 75 km away
  18. 3.5147 km ESE of Nikolski, Alaska · 1868 days ago · 18 km deep · 13 km away
  19. 1.585 km ESE of Nikolski, Alaska · 1868 days ago · 26 km deep · 53 km away
  20. 1.5141 km S of Unalaska, Alaska · 1869 days ago · 13 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021b48dddk. Read Wed, Sep 23, 2026, 1:40 PM UTC.