Alaska earthquakes

M1.9 earthquake 18 km NNW of Four Mile Road, Alaska

A magnitude 1.9 earthquake struck 18 km NNW of Four Mile Road, Alaska on Sat, Oct 16, 2021, 2:24 AM AKDT (10:24 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M4.1 31 km SW of Salcha, 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), micro
Local time
UTC
2021-10-16 10:24:35 UTC
Depth
16.9 km (10.5 mi), shallow
Epicenter
64.757° N, 149.252° 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
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 2.118 km NNW of Four Mile Road, Alaska · 1806 days ago · 19 km deep · 1 km away
  2. 1.631 km SE of Minto, Alaska · 1801 days ago · 17 km deep · 28 km away
  3. 1.622 km W of Ferry, Alaska · 1800 days ago · 137 km deep · 80 km away
  4. 1.518 km SE of Manley Hot Springs, Alaska · 1800 days ago · 20 km deep · 53 km away
  5. 1.623 km N of Four Mile Road, Alaska · 1799 days ago · 19 km deep · 6 km away
  6. 1.66 km NE of Healy, Alaska · 1798 days ago · 106 km deep · 98 km away
  7. 1.713 km NNW of Four Mile Road, Alaska · 1797 days ago · 22 km deep · 4 km away
  8. 1.713 km NW of Four Mile Road, Alaska · 1796 days ago · 23 km deep · 6 km away
  9. 2.624 km W of Ferry, Alaska · 1796 days ago · 145 km deep · 81 km away
  10. 2.225 km WSW of Clear, Alaska, Alaska · 1795 days ago · 7 km deep · 72 km away
  11. 1.522 km NNE of Four Mile Road, Alaska · 1792 days ago · 18 km deep · 12 km away
  12. 1.512 km NNW of Four Mile Road, Alaska · 1792 days ago · 21 km deep · 6 km away
  13. 1.620 km WSW of Ferry, Alaska · 1790 days ago · 144 km deep · 90 km away
  14. 3.132 km WSW of Salcha, Alaska · 1786 days ago · 8 km deep · 92 km away · felt by 46
  15. 4.131 km SW of Salcha, Alaska · 1786 days ago · 8 km deep · 97 km away · felt by 179
  16. 1.528 km WSW of Salcha, Alaska · 1786 days ago · 2 km deep · 95 km away
  17. 1.928 km WSW of Salcha, Alaska · 1785 days ago · 11 km deep · 94 km away
  18. 2.241 km SSW of South Van Horn, Alaska · 1783 days ago · 7 km deep · 69 km away
  19. 1.830 km WSW of Salcha, Alaska · 1783 days ago · 6 km deep · 93 km away
  20. 1.528 km WSW of Salcha, Alaska · 1781 days ago · 15 km deep · 93 km away
  21. 2.939 km WSW of Clear, Alaska, Alaska · 1773 days ago · 20 km deep · 74 km away · felt by 1
  22. 1.642 km WSW of Clear, Alaska, Alaska · 1772 days ago · 15 km deep · 77 km away
  23. 2.531 km SSE of Minto, Alaska · 1771 days ago · 21 km deep · 19 km away
  24. 1.622 km ENE of Four Mile Road, Alaska · 1769 days ago · 17 km deep · 27 km away
  25. 1.857 km SSW of Manley Hot Springs, Alaska · 1769 days ago · 14 km deep · 99 km away
  26. 2.15 km ENE of Badger, Alaska · 1768 days ago · 17 km deep · 86 km away
  27. 1.534 km E of Clear, Alaska, Alaska · 1767 days ago · 4 km deep · 63 km away
  28. 1.83 km ENE of Healy, Alaska · 1766 days ago · 104 km deep · 100 km away
  29. 1.714 km NW of Four Mile Road, Alaska · 1764 days ago · 23 km deep · 6 km away
  30. 1.528 km W of Anderson, Alaska · 1763 days ago · 11 km deep · 53 km away
  31. 1.54 km NNE of Fox, Alaska · 1760 days ago · 17 km deep · 83 km away
  32. 1.729 km WSW of Salcha, Alaska · 1757 days ago · 7 km deep · 92 km away
  33. 1.529 km WSW of Salcha, Alaska · 1755 days ago · 5 km deep · 94 km away
  34. 2.78 km E of Rampart, Alaska · 1750 days ago · 14 km deep · 90 km away
  35. 2.630 km WNW of Four Mile Road, Alaska · 1750 days ago · 15 km deep · 23 km away
  36. 2.02 km NNW of Healy, Alaska · 1749 days ago · 118 km deep · 99 km away

Before

  1. 1.513 km NNW of Four Mile Road, Alaska · 1810 days ago · 22 km deep · 6 km away
  2. 1.515 km NW of Four Mile Road, Alaska · 1810 days ago · 19 km deep · 6 km away
  3. 1.517 km WSW of Livengood, Alaska · 1812 days ago · 8 km deep · 79 km away
  4. 3.011 km NNW of Four Mile Road, Alaska · 1812 days ago · 21 km deep · 7 km away · felt by 1
  5. 2.014 km SW of North Pole, Alaska · 1813 days ago · 7 km deep · 81 km away · felt by 1
  6. 1.523 km WSW of Ester, Alaska · 1813 days ago · 8 km deep · 38 km away
  7. 1.818 km NW of Four Mile Road, Alaska · 1814 days ago · 32 km deep · 7 km away
  8. 2.217 km NW of Manley Hot Springs, Alaska · 1816 days ago · 16 km deep · 86 km away
  9. 2.114 km SW of North Pole, Alaska · 1817 days ago · 12 km deep · 81 km away · felt by 2
  10. 1.516 km S of Minto, Alaska · 1820 days ago · 15 km deep · 28 km away
  11. 1.93 km SSE of Badger, Alaska · 1821 days ago · 13 km deep · 83 km away
  12. 1.826 km N of Four Mile Road, Alaska · 1824 days ago · 16 km deep · 15 km away
  13. 1.79 km WNW of Healy, Alaska · 1825 days ago · 117 km deep · 98 km away
  14. 2.014 km NW of Ferry, Alaska · 1825 days ago · 139 km deep · 72 km away
  15. 1.719 km N of Four Mile Road, Alaska · 1826 days ago · 22 km deep · 9 km away
  16. 1.931 km W of Ferry, Alaska · 1829 days ago · 149 km deep · 85 km away
  17. 1.534 km WSW of Ferry, Alaska · 1830 days ago · 3 km deep · 99 km away
  18. 1.815 km NNE of Healy, Alaska · 1830 days ago · 113 km deep · 90 km away
  19. 1.518 km NW of Four Mile Road, Alaska · 1832 days ago · 23 km deep · 6 km away
  20. 2.049 km ESE of Nenana, Alaska · 1834 days ago · 15 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021da4eup8. Read Sat, Sep 26, 2026, 12:56 PM UTC.