Alaska earthquakes

M1.7 earthquake 29 km WSW of Salcha, Alaska

A magnitude 1.7 earthquake struck 29 km WSW of Salcha, Alaska on Sat, Dec 4, 2021, 7:25 AM AKST (16:25 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.8 71 km SSW 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
1.7 (ml), micro
Local time
UTC
2021-12-04 16:25:55 UTC
Depth
7.2 km (4.5 mi), shallow
Epicenter
64.423° N, 147.479° 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
43

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 1.529 km WSW of Salcha, Alaska · 1755 days ago · 5 km deep · 2 km away
  2. 1.963 km ESE of Denali Park, Alaska · 1753 days ago · 2 km deep · 97 km away
  3. 2.39 km NW of Harding-Birch Lakes, Alaska · 1750 days ago · 7 km deep · 35 km away · felt by 1
  4. 2.02 km NNW of Healy, Alaska · 1749 days ago · 118 km deep · 95 km away
  5. 2.79 km NW of Harding-Birch Lakes, Alaska · 1746 days ago · 8 km deep · 35 km away · felt by 1
  6. 1.512 km ESE of Healy, Alaska · 1742 days ago · 81 km deep · 90 km away
  7. 1.674 km E of Denali Park, Alaska · 1740 days ago · 83 km deep · 85 km away
  8. 1.838 km SSW of South Van Horn, Alaska · 1738 days ago · 20 km deep · 30 km away
  9. 2.240 km SSW of South Van Horn, Alaska · 1732 days ago · 11 km deep · 27 km away
  10. 2.15 km SE of Eielson Air Force Base, Alaska · 1731 days ago · 10 km deep · 34 km away · felt by 1
  11. 1.763 km ESE of Denali Park, Alaska · 1730 days ago · 3 km deep · 98 km away
  12. 1.621 km ENE of Denali Park, Alaska · 1726 days ago · 102 km deep · 84 km away
  13. 1.656 km ENE of Healy, Alaska · 1723 days ago · 13 km deep · 41 km away
  14. 1.978 km ESE of Denali Park, Alaska · 1720 days ago · 0 km deep · 94 km away
  15. 1.657 km ENE of Ferry, Alaska · 1720 days ago · 5 km deep · 40 km away
  16. 2.321 km ENE of Denali Park, Alaska · 1717 days ago · 103 km deep · 85 km away
  17. 1.714 km E of Healy, Alaska · 1717 days ago · 11 km deep · 84 km away
  18. 2.023 km E of Pleasant Valley, Alaska · 1713 days ago · 10 km deep · 74 km away
  19. 1.610 km E of Fox, Alaska · 1711 days ago · 3 km deep · 60 km away
  20. 1.810 km W of Salcha, Alaska · 1710 days ago · 3 km deep · 21 km away
  21. 2.871 km SSW of Harding-Birch Lakes, Alaska · 1708 days ago · 3 km deep · 69 km away
  22. 1.534 km SE of Minto, Alaska · 1706 days ago · 17 km deep · 85 km away
  23. 2.233 km ESE of Minto, Alaska · 1706 days ago · 17 km deep · 92 km away
  24. 1.611 km NNW of Four Mile Road, Alaska · 1701 days ago · 3 km deep · 87 km away
  25. 2.028 km WSW of Salcha, Alaska · 1701 days ago · 6 km deep · 5 km away
  26. 1.916 km ENE of Healy, Alaska · 1698 days ago · 118 km deep · 81 km away

Before

  1. 1.54 km NNE of Fox, Alaska · 1760 days ago · 17 km deep · 64 km away
  2. 1.78 km NW of Harding-Birch Lakes, Alaska · 1763 days ago · 5 km deep · 37 km away
  3. 1.714 km NW of Four Mile Road, Alaska · 1764 days ago · 23 km deep · 93 km away
  4. 1.83 km ENE of Healy, Alaska · 1766 days ago · 104 km deep · 92 km away
  5. 1.534 km E of Clear, Alaska, Alaska · 1766 days ago · 4 km deep · 50 km away
  6. 2.15 km ENE of Badger, Alaska · 1768 days ago · 17 km deep · 44 km away
  7. 1.622 km ENE of Four Mile Road, Alaska · 1769 days ago · 17 km deep · 65 km away
  8. 1.666 km ENE of Cantwell, Alaska · 1769 days ago · 8 km deep · 100 km away
  9. 2.531 km SSE of Minto, Alaska · 1771 days ago · 21 km deep · 91 km away
  10. 2.472 km ESE of Denali Park, Alaska · 1772 days ago · 3 km deep · 98 km away
  11. 1.674 km ESE of Denali Park, Alaska · 1773 days ago · 5 km deep · 95 km away
  12. 2.420 km N of Pleasant Valley, Alaska · 1777 days ago · 16 km deep · 78 km away
  13. 1.528 km WSW of Salcha, Alaska · 1781 days ago · 15 km deep · 2 km away
  14. 1.830 km WSW of Salcha, Alaska · 1782 days ago · 6 km deep · 2 km away
  15. 2.241 km SSW of South Van Horn, Alaska · 1783 days ago · 7 km deep · 26 km away
  16. 1.561 km ESE of Denali Park, Alaska · 1784 days ago · 5 km deep · 96 km away
  17. 1.58 km NW of Harding-Birch Lakes, Alaska · 1785 days ago · 4 km deep · 37 km away
  18. 1.928 km WSW of Salcha, Alaska · 1785 days ago · 11 km deep · 2 km away
  19. 1.528 km WSW of Salcha, Alaska · 1785 days ago · 2 km deep · 2 km away
  20. 4.131 km SW of Salcha, Alaska · 1785 days ago · 8 km deep · 7 km away · felt by 179

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021fj9bpt6. Read Sat, Sep 26, 2026, 1:08 AM UTC.