Alaska earthquakes

M1.5 earthquake 43 km SW of Salcha, Alaska

A magnitude 1.5 earthquake struck 43 km SW of Salcha, Alaska on Sat, Oct 23, 2021, 6:07 PM AKDT (02:07 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.1 31 km SW of Salcha, 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
1.5 (ml), micro
Local time
UTC
2021-10-24 02:07:05 UTC
Depth
10.4 km (6.5 mi), shallow
Epicenter
64.210° N, 147.435° 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
45

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 45 in the 60 days after this one and 26 in the 30 days before it.

After

  1. 3.38 km NW of Harding-Birch Lakes, Alaska · 1796 days ago · 8 km deep · 43 km away · felt by 11
  2. 1.66 km NE of Healy, Alaska · 1796 days ago · 106 km deep · 78 km away
  3. 1.814 km WSW of Salcha, Alaska · 1795 days ago · 8 km deep · 34 km away
  4. 1.675 km ESE of Denali Park, Alaska · 1794 days ago · 5 km deep · 71 km away
  5. 1.78 km NW of Harding-Birch Lakes, Alaska · 1793 days ago · 5 km deep · 43 km away
  6. 2.169 km E of Denali Park, Alaska · 1793 days ago · 74 km deep · 65 km away
  7. 2.376 km E of Denali Park, Alaska · 1789 days ago · 80 km deep · 64 km away
  8. 1.515 km WSW of Healy, Alaska · 1788 days ago · 113 km deep · 99 km away
  9. 2.4Central Alaska · 1788 days ago · 17 km deep · 89 km away
  10. 1.688 km SW of Delta Junction, Alaska · 1788 days ago · 0 km deep · 75 km away
  11. 2.210 km NW of Harding-Birch Lakes, Alaska · 1784 days ago · 11 km deep · 41 km away · felt by 1
  12. 3.132 km WSW of Salcha, Alaska · 1784 days ago · 8 km deep · 22 km away · felt by 46
  13. 4.131 km SW of Salcha, Alaska · 1784 days ago · 8 km deep · 17 km away · felt by 179
  14. 1.528 km WSW of Salcha, Alaska · 1784 days ago · 2 km deep · 23 km away
  15. 1.928 km WSW of Salcha, Alaska · 1784 days ago · 11 km deep · 23 km away
  16. 1.58 km NW of Harding-Birch Lakes, Alaska · 1783 days ago · 4 km deep · 43 km away
  17. 1.561 km ESE of Denali Park, Alaska · 1782 days ago · 5 km deep · 74 km away
  18. 2.241 km SSW of South Van Horn, Alaska · 1781 days ago · 7 km deep · 38 km away
  19. 1.830 km WSW of Salcha, Alaska · 1781 days ago · 6 km deep · 21 km away
  20. 1.528 km WSW of Salcha, Alaska · 1779 days ago · 15 km deep · 25 km away
  21. 2.068 km E of Cantwell, Alaska · 1777 days ago · 67 km deep · 91 km away
  22. 2.420 km N of Pleasant Valley, Alaska · 1775 days ago · 16 km deep · 99 km away
  23. 1.674 km ESE of Denali Park, Alaska · 1772 days ago · 5 km deep · 71 km away
  24. 1.615 km W of Healy, Alaska · 1771 days ago · 118 km deep · 99 km away
  25. 2.472 km ESE of Denali Park, Alaska · 1770 days ago · 3 km deep · 74 km away
  26. 1.666 km ENE of Cantwell, Alaska · 1768 days ago · 8 km deep · 77 km away
  27. 1.622 km ENE of Four Mile Road, Alaska · 1767 days ago · 17 km deep · 81 km away
  28. 2.15 km ENE of Badger, Alaska · 1766 days ago · 17 km deep · 68 km away
  29. 1.534 km E of Clear, Alaska, Alaska · 1765 days ago · 4 km deep · 51 km away
  30. 1.83 km ENE of Healy, Alaska · 1764 days ago · 104 km deep · 80 km away
  31. 1.78 km NW of Harding-Birch Lakes, Alaska · 1761 days ago · 5 km deep · 43 km away
  32. 1.54 km NNE of Fox, Alaska · 1758 days ago · 17 km deep · 88 km away
  33. 1.573 km E of Cantwell, Alaska · 1757 days ago · 12 km deep · 77 km away
  34. 1.729 km WSW of Salcha, Alaska · 1755 days ago · 7 km deep · 24 km away
  35. 3.075 km NW of Paxson, Alaska · 1754 days ago · 1 km deep · 83 km away
  36. 1.529 km WSW of Salcha, Alaska · 1753 days ago · 5 km deep · 22 km away
  37. 1.963 km ESE of Denali Park, Alaska · 1752 days ago · 2 km deep · 74 km away
  38. 2.39 km NW of Harding-Birch Lakes, Alaska · 1748 days ago · 7 km deep · 41 km away · felt by 1
  39. 2.02 km NNW of Healy, Alaska · 1747 days ago · 118 km deep · 84 km away
  40. 1.856 km ENE of Cantwell, Alaska · 1746 days ago · 1 km deep · 78 km away
  41. 1.686 km WNW of Paxson, Alaska · 1746 days ago · 5 km deep · 79 km away
  42. 1.75 km SW of Healy, Alaska · 1745 days ago · 117 km deep · 89 km away
  43. 2.79 km NW of Harding-Birch Lakes, Alaska · 1744 days ago · 8 km deep · 41 km away · felt by 1
  44. 1.512 km ESE of Healy, Alaska · 1740 days ago · 81 km deep · 76 km away
  45. 1.674 km E of Denali Park, Alaska · 1738 days ago · 83 km deep · 62 km away

Before

  1. 1.977 km SW of Fort Greely, Alaska · 1797 days ago · 0 km deep · 81 km away
  2. 2.6Central Alaska · 1798 days ago · 8 km deep · 41 km away
  3. 1.610 km W of Salcha, Alaska · 1799 days ago · 0 km deep · 40 km away
  4. 1.645 km E of Denali Park, Alaska · 1800 days ago · 81 km deep · 63 km away
  5. 1.57 km NNW of Harding-Birch Lakes, Alaska · 1800 days ago · 4 km deep · 44 km away
  6. 1.574 km ESE of Denali Park, Alaska · 1802 days ago · 1 km deep · 72 km away
  7. 1.96 km ESE of Healy, Alaska · 1803 days ago · 113 km deep · 80 km away
  8. 1.524 km ENE of Denali Park, Alaska · 1806 days ago · 102 km deep · 66 km away
  9. 1.6Central Alaska · 1811 days ago · 1 km deep · 70 km away
  10. 2.014 km SW of North Pole, Alaska · 1811 days ago · 7 km deep · 51 km away · felt by 1
  11. 1.523 km WSW of Ester, Alaska · 1811 days ago · 8 km deep · 78 km away
  12. 2.584 km ESE of Denali Park, Alaska · 1813 days ago · 3 km deep · 69 km away
  13. 2.114 km SW of North Pole, Alaska · 1815 days ago · 12 km deep · 50 km away · felt by 2
  14. 2.083 km ESE of Denali Park, Alaska · 1815 days ago · 5 km deep · 75 km away
  15. 1.784 km ESE of Denali Park, Alaska · 1815 days ago · 4 km deep · 69 km away
  16. 2.383 km E of Denali Park, Alaska · 1816 days ago · 13 km deep · 69 km away
  17. 2.482 km ESE of Denali Park, Alaska · 1816 days ago · 13 km deep · 69 km away
  18. 1.753 km ENE of Cantwell, Alaska · 1817 days ago · 2 km deep · 81 km away
  19. 1.93 km SSE of Badger, Alaska · 1819 days ago · 13 km deep · 62 km away
  20. 1.571 km E of Cantwell, Alaska · 1820 days ago · 3 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021dn7uga2. Read Thu, Sep 24, 2026, 1:14 PM UTC.