Alaska earthquakes

M1.8 earthquake 15 km W of Salcha, Alaska

A magnitude 1.8 earthquake struck 15 km W of Salcha, Alaska on Mon, Aug 2, 2021, 4:19 PM AKDT (00:19 UTC), 1 km (0 mi) below the surface.

A larger quake followed: M4.9 9 km NW of Harding-Birch Lakes, Alaska. This one was a foreshock.

Salcha 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
1.8 (ml), micro
Local time
UTC
2021-08-03 00:19:26 UTC
Depth
0.6 km (0.4 mi), shallow
Epicenter
64.514° N, 147.216° 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: 39 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 1.6Central Alaska · 1881 days ago · 14 km deep · 40 km away
  2. 1.51 km SW of South Van Horn, Alaska · 1881 days ago · 15 km deep · 43 km away
  3. 1.831 km WNW of Ester, Alaska · 1878 days ago · 18 km deep · 81 km away
  4. 2.113 km NE of Healy, Alaska · 1873 days ago · 113 km deep · 99 km away
  5. 1.848 km E of Anderson, Alaska · 1869 days ago · 14 km deep · 50 km away
  6. 2.454 km SW of Harding-Birch Lakes, Alaska · 1867 days ago · 10 km deep · 54 km away
  7. 2.923 km ENE of McKinley Park, Alaska · 1865 days ago · 103 km deep · 99 km away
  8. 1.813 km SE of Clear, Alaska, Alaska · 1863 days ago · 11 km deep · 92 km away
  9. 2.08 km NE of Badger, Alaska · 1862 days ago · 15 km deep · 38 km away · felt by 1
  10. 1.83 km S of Fox, Alaska · 1858 days ago · 3 km deep · 49 km away
  11. 1.935 km E of Minto, Alaska · 1848 days ago · 9 km deep · 97 km away
  12. 1.614 km ENE of Pleasant Valley, Alaska · 1846 days ago · 10 km deep · 55 km away
  13. 1.85 km SW of Salcha, Alaska · 1846 days ago · 7 km deep · 12 km away · felt by 3
  14. 1.736 km ENE of Ferry, Alaska · 1844 days ago · 13 km deep · 72 km away
  15. 1.913 km NE of Healy, Alaska · 1842 days ago · 114 km deep · 99 km away
  16. 1.612 km E of Fox, Alaska · 1842 days ago · 2 km deep · 51 km away
  17. 1.517 km E of Ferry, Alaska · 1840 days ago · 4 km deep · 91 km away
  18. 4.99 km NW of Harding-Birch Lakes, Alaska · 1840 days ago · 4 km deep · 24 km away · felt by 1,086
  19. 1.99 km NNW of Harding-Birch Lakes, Alaska · 1840 days ago · 4 km deep · 26 km away · felt by 7
  20. 1.57 km NW of Harding-Birch Lakes, Alaska · 1840 days ago · 0 km deep · 27 km away · felt by 4
  21. 1.97 km NNW of Harding-Birch Lakes, Alaska · 1840 days ago · 3 km deep · 27 km away
  22. 1.68 km NNW of Harding-Birch Lakes, Alaska · 1840 days ago · 0 km deep · 27 km away
  23. 2.49 km NW of Harding-Birch Lakes, Alaska · 1840 days ago · 7 km deep · 25 km away · felt by 4
  24. 1.77 km NNW of Harding-Birch Lakes, Alaska · 1839 days ago · 0 km deep · 27 km away · felt by 2
  25. 1.56 km WNW of Harding-Birch Lakes, Alaska · 1839 days ago · 4 km deep · 27 km away
  26. 2.08 km NNW of Harding-Birch Lakes, Alaska · 1839 days ago · 2 km deep · 26 km away · felt by 2
  27. 2.89 km NW of Harding-Birch Lakes, Alaska · 1839 days ago · 6 km deep · 25 km away · felt by 1
  28. 1.99 km NW of Harding-Birch Lakes, Alaska · 1839 days ago · 5 km deep · 25 km away
  29. 1.88 km NW of Harding-Birch Lakes, Alaska · 1838 days ago · 0 km deep · 26 km away
  30. 1.59 km NNW of Harding-Birch Lakes, Alaska · 1838 days ago · 5 km deep · 26 km away
  31. 1.910 km NNW of Harding-Birch Lakes, Alaska · 1838 days ago · 4 km deep · 26 km away
  32. 3.18 km NW of Harding-Birch Lakes, Alaska · 1836 days ago · 8 km deep · 25 km away · felt by 5
  33. 2.049 km ESE of Nenana, Alaska · 1835 days ago · 15 km deep · 47 km away
  34. 1.815 km NNE of Healy, Alaska · 1832 days ago · 113 km deep · 97 km away
  35. 2.08 km NW of Harding-Birch Lakes, Alaska · 1830 days ago · 10 km deep · 26 km away
  36. 1.719 km N of Four Mile Road, Alaska · 1827 days ago · 22 km deep · 93 km away
  37. 1.826 km N of Four Mile Road, Alaska · 1826 days ago · 16 km deep · 93 km away
  38. 1.965 km WSW of Delta Junction, Alaska · 1825 days ago · 0 km deep · 86 km away
  39. 1.93 km SSE of Badger, Alaska · 1823 days ago · 13 km deep · 31 km away

Before

  1. 1.624 km ENE of McKinley Park, Alaska · 1885 days ago · 102 km deep · 97 km away
  2. 1.814 km WSW of Salcha, Alaska · 1887 days ago · 4 km deep · 2 km away
  3. 1.613 km WNW of Two Rivers, Alaska · 1889 days ago · 0 km deep · 46 km away
  4. 2.348 km ENE of Pleasant Valley, Alaska · 1889 days ago · 18 km deep · 85 km away
  5. 1.955 km NE of Harding-Birch Lakes, Alaska · 1890 days ago · 11 km deep · 74 km away
  6. 1.78 km NW of Harding-Birch Lakes, Alaska · 1890 days ago · 3 km deep · 25 km away
  7. 1.79 km SSW of South Van Horn, Alaska · 1891 days ago · 21 km deep · 39 km away
  8. 4.811 km NW of Harding-Birch Lakes, Alaska · 1893 days ago · 10 km deep · 23 km away · felt by 380
  9. 1.520 km SSW of South Van Horn, Alaska · 1893 days ago · 14 km deep · 36 km away
  10. 1.812 km E of Pleasant Valley, Alaska · 1897 days ago · 10 km deep · 49 km away
  11. 1.56 km NNW of Moose Creek, Alaska · 1901 days ago · 18 km deep · 27 km away
  12. 1.59 km W of Two Rivers, Alaska · 1902 days ago · 13 km deep · 39 km away
  13. 2.151 km NE of Big Delta, Alaska · 1903 days ago · 10 km deep · 97 km away
  14. 1.930 km NNE of Four Mile Road, Alaska · 1904 days ago · 13 km deep · 93 km away
  15. 1.526 km ENE of Four Mile Road, Alaska · 1912 days ago · 8 km deep · 70 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219vknqtd. Read Sun, Sep 27, 2026, 11:27 PM UTC.