Alaska earthquakes

M1.9 earthquake 103 km SSE of Nikolai, Alaska

A magnitude 1.9 earthquake struck 103 km SSE of Nikolai, Alaska on Fri, Aug 13, 2021, 7:04 AM AKDT (15:04 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.7 46 km SW of Skwentna, 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, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-08-13 15:04:28 UTC
Depth
5.8 km (3.6 mi), shallow
Epicenter
62.132° N, 153.745° 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
37

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 10 in the 30 days before it.

After

  1. 1.831 km WSW of Skwentna, Alaska · 1877 days ago · 115 km deep · 97 km away
  2. 1.541 km WNW of Skwentna, Alaska · 1876 days ago · 105 km deep · 85 km away
  3. 1.754 km WNW of Skwentna, Alaska · 1876 days ago · 119 km deep · 71 km away
  4. 1.537 km WSW of Skwentna, Alaska · 1874 days ago · 108 km deep · 95 km away
  5. 1.542 km SW of Skwentna, Alaska · 1871 days ago · 109 km deep · 100 km away
  6. 2.746 km SW of Skwentna, Alaska · 1870 days ago · 119 km deep · 99 km away · felt by 1
  7. 1.538 km W of Skwentna, Alaska · 1869 days ago · 119 km deep · 88 km away
  8. 1.840 km WNW of Skwentna, Alaska · 1864 days ago · 106 km deep · 86 km away
  9. 1.545 km WNW of Skwentna, Alaska · 1857 days ago · 106 km deep · 82 km away
  10. 1.557 km WNW of Skwentna, Alaska · 1854 days ago · 2 km deep · 67 km away
  11. 1.850 km WNW of Skwentna, Alaska · 1851 days ago · 120 km deep · 75 km away
  12. 1.841 km WNW of Skwentna, Alaska · 1847 days ago · 104 km deep · 85 km away
  13. 1.645 km WNW of Skwentna, Alaska · 1846 days ago · 110 km deep · 80 km away
  14. 1.542 km NW of Skwentna, Alaska · 1845 days ago · 87 km deep · 97 km away
  15. 1.741 km WNW of Skwentna, Alaska · 1839 days ago · 106 km deep · 84 km away
  16. 2.572 km NW of Skwentna, Alaska · 1836 days ago · 7 km deep · 81 km away
  17. 1.691 km W of Skwentna, Alaska · 1834 days ago · 0 km deep · 33 km away
  18. 1.641 km WNW of Skwentna, Alaska · 1832 days ago · 105 km deep · 86 km away
  19. 1.840 km WNW of Skwentna, Alaska · 1831 days ago · 104 km deep · 86 km away · felt by 1
  20. 1.653 km WNW of Skwentna, Alaska · 1831 days ago · 124 km deep · 77 km away
  21. 2.638 km SE of McGrath, Alaska · 1831 days ago · 2 km deep · 94 km away
  22. 1.539 km SW of Skwentna, Alaska · 1830 days ago · 115 km deep · 100 km away
  23. 1.547 km WNW of Skwentna, Alaska · 1828 days ago · 107 km deep · 82 km away
  24. 2.096 km SE of Nikolai, Alaska · 1825 days ago · 198 km deep · 51 km away
  25. 1.871 km W of Petersville, Alaska · 1824 days ago · 116 km deep · 95 km away
  26. 1.857 km WNW of Skwentna, Alaska · 1822 days ago · 121 km deep · 73 km away
  27. 1.550 km NW of Skwentna, Alaska · 1820 days ago · 105 km deep · 84 km away
  28. 1.643 km WNW of Skwentna, Alaska · 1819 days ago · 104 km deep · 84 km away

Before

  1. 1.539 km WNW of Skwentna, Alaska · 1877 days ago · 110 km deep · 86 km away
  2. 1.968 km W of Petersville, Alaska · 1885 days ago · 3 km deep · 99 km away
  3. 1.5104 km W of Skwentna, Alaska · 1887 days ago · 2 km deep · 20 km away
  4. 1.544 km W of Skwentna, Alaska · 1890 days ago · 112 km deep · 79 km away
  5. 1.677 km WNW of Skwentna, Alaska · 1894 days ago · 163 km deep · 62 km away
  6. 1.739 km WSW of Skwentna, Alaska · 1896 days ago · 100 km deep · 94 km away
  7. 1.840 km WSW of Skwentna, Alaska · 1896 days ago · 107 km deep · 95 km away
  8. 1.966 km NW of Skwentna, Alaska · 1898 days ago · 139 km deep · 73 km away
  9. 1.846 km WNW of Skwentna, Alaska · 1900 days ago · 113 km deep · 79 km away
  10. 1.635 km W of Skwentna, Alaska · 1905 days ago · 99 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021accvi8l. Read Sat, Oct 3, 2026, 3:10 PM UTC.