Alaska earthquakes

M2.4 earthquake 54 km SW of Harding-Birch Lakes, Alaska

A magnitude 2.4 earthquake struck 54 km SW of Harding-Birch Lakes, Alaska on Tue, Aug 17, 2021, 4:11 AM AKDT (12:11 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.9 9 km NW of Harding-Birch Lakes, 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
2.4 (ml), micro
Local time
UTC
2021-08-17 12:11:41 UTC
Depth
9.5 km (5.9 mi), shallow
Epicenter
64.034° N, 147.405° 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
71

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 58 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 1.87 km ENE of McKinley Park, Alaska · 1868 days ago · 111 km deep · 74 km away
  2. 2.923 km ENE of McKinley Park, Alaska · 1866 days ago · 103 km deep · 58 km away
  3. 1.813 km SE of Clear, Alaska, Alaska · 1864 days ago · 11 km deep · 77 km away
  4. 2.08 km NE of Badger, Alaska · 1864 days ago · 15 km deep · 90 km away · felt by 1
  5. 1.563 km ESE of McKinley Park, Alaska · 1863 days ago · 4 km deep · 55 km away
  6. 1.861 km ESE of McKinley Park, Alaska · 1862 days ago · 84 km deep · 50 km away
  7. 1.83 km S of Fox, Alaska · 1860 days ago · 3 km deep · 100 km away
  8. 1.85 km SW of Salcha, Alaska · 1847 days ago · 7 km deep · 54 km away · felt by 3
  9. 1.915 km NE of Cantwell, Alaska · 1847 days ago · 6 km deep · 89 km away · felt by 1
  10. 1.736 km ENE of Ferry, Alaska · 1846 days ago · 13 km deep · 52 km away
  11. 1.781 km ESE of Denali Park, Alaska · 1845 days ago · 2 km deep · 53 km away
  12. 2.132 km ENE of Cantwell, Alaska · 1845 days ago · 0 km deep · 77 km away
  13. 1.913 km NE of Healy, Alaska · 1844 days ago · 114 km deep · 68 km away
  14. 1.517 km E of Ferry, Alaska · 1842 days ago · 4 km deep · 66 km away
  15. 4.99 km NW of Harding-Birch Lakes, Alaska · 1841 days ago · 4 km deep · 55 km away · felt by 1,086
  16. 1.99 km NNW of Harding-Birch Lakes, Alaska · 1841 days ago · 4 km deep · 57 km away · felt by 7
  17. 1.57 km NW of Harding-Birch Lakes, Alaska · 1841 days ago · 0 km deep · 55 km away · felt by 4
  18. 1.97 km NNW of Harding-Birch Lakes, Alaska · 1841 days ago · 3 km deep · 56 km away
  19. 1.68 km NNW of Harding-Birch Lakes, Alaska · 1841 days ago · 0 km deep · 57 km away
  20. 1.881 km SW of Delta Junction, Alaska · 1841 days ago · 0 km deep · 55 km away · felt by 1
  21. 2.49 km NW of Harding-Birch Lakes, Alaska · 1841 days ago · 7 km deep · 54 km away · felt by 4
  22. 2.087 km WNW of Paxson, Alaska · 1841 days ago · 0 km deep · 60 km away
  23. 1.77 km NNW of Harding-Birch Lakes, Alaska · 1841 days ago · 0 km deep · 56 km away · felt by 2
  24. 1.56 km WNW of Harding-Birch Lakes, Alaska · 1841 days ago · 4 km deep · 52 km away
  25. 2.08 km NNW of Harding-Birch Lakes, Alaska · 1841 days ago · 2 km deep · 56 km away · felt by 2
  26. 2.89 km NW of Harding-Birch Lakes, Alaska · 1840 days ago · 6 km deep · 56 km away · felt by 1
  27. 1.99 km NW of Harding-Birch Lakes, Alaska · 1840 days ago · 5 km deep · 56 km away
  28. 1.88 km NW of Harding-Birch Lakes, Alaska · 1840 days ago · 0 km deep · 55 km away
  29. 1.59 km NNW of Harding-Birch Lakes, Alaska · 1840 days ago · 5 km deep · 57 km away
  30. 1.910 km NNW of Harding-Birch Lakes, Alaska · 1840 days ago · 4 km deep · 58 km away
  31. 3.18 km NW of Harding-Birch Lakes, Alaska · 1838 days ago · 8 km deep · 55 km away · felt by 5
  32. 2.049 km ESE of Nenana, Alaska · 1837 days ago · 15 km deep · 52 km away
  33. 1.815 km NNE of Healy, Alaska · 1833 days ago · 113 km deep · 68 km away
  34. 2.08 km NW of Harding-Birch Lakes, Alaska · 1832 days ago · 10 km deep · 56 km away
  35. 2.18 km NNE of Cantwell, Alaska · 1832 days ago · 10 km deep · 96 km away
  36. 1.984 km SW of Delta Junction, Alaska · 1831 days ago · 68 km deep · 49 km away
  37. 2.019 km W of Healy, Alaska · 1831 days ago · 124 km deep · 98 km away
  38. 2.014 km NW of Ferry, Alaska · 1828 days ago · 139 km deep · 93 km away
  39. 1.79 km WNW of Healy, Alaska · 1828 days ago · 117 km deep · 87 km away
  40. 1.965 km WSW of Delta Junction, Alaska · 1827 days ago · 0 km deep · 40 km away
  41. 1.574 km E of Cantwell, Alaska · 1827 days ago · 32 km deep · 62 km away
  42. 1.822 km ENE of Denali Park, Alaska · 1827 days ago · 87 km deep · 60 km away
  43. 1.571 km E of Cantwell, Alaska · 1825 days ago · 3 km deep · 66 km away
  44. 1.93 km SSE of Badger, Alaska · 1824 days ago · 13 km deep · 82 km away
  45. 1.617 km W of Healy, Alaska · 1822 days ago · 116 km deep · 96 km away
  46. 1.753 km ENE of Cantwell, Alaska · 1822 days ago · 2 km deep · 63 km away
  47. 2.482 km ESE of Denali Park, Alaska · 1821 days ago · 13 km deep · 49 km away
  48. 2.383 km E of Denali Park, Alaska · 1821 days ago · 13 km deep · 49 km away
  49. 1.784 km ESE of Denali Park, Alaska · 1820 days ago · 4 km deep · 50 km away
  50. 2.083 km ESE of Denali Park, Alaska · 1820 days ago · 5 km deep · 56 km away
  51. 1.811 km NNE of Cantwell, Alaska · 1820 days ago · 11 km deep · 94 km away
  52. 2.114 km SW of North Pole, Alaska · 1820 days ago · 12 km deep · 70 km away · felt by 2
  53. 2.584 km ESE of Denali Park, Alaska · 1818 days ago · 3 km deep · 50 km away
  54. 1.916 km ENE of Cantwell, Alaska · 1816 days ago · 90 km deep · 88 km away
  55. 1.523 km WSW of Ester, Alaska · 1816 days ago · 8 km deep · 94 km away
  56. 2.014 km SW of North Pole, Alaska · 1816 days ago · 7 km deep · 70 km away · felt by 1
  57. 1.6Central Alaska · 1816 days ago · 1 km deep · 50 km away
  58. 1.524 km ENE of Denali Park, Alaska · 1811 days ago · 102 km deep · 57 km away

Before

  1. 1.89 km NNE of Healy, Alaska · 1871 days ago · 120 km deep · 74 km away
  2. 1.848 km E of Anderson, Alaska · 1871 days ago · 14 km deep · 53 km away
  3. 1.844 km ESE of Cantwell, Alaska · 1874 days ago · 73 km deep · 90 km away
  4. 2.512 km ESE of Healy, Alaska · 1875 days ago · 100 km deep · 69 km away
  5. 1.73 km ESE of Healy, Alaska · 1875 days ago · 110 km deep · 76 km away
  6. 2.113 km NE of Healy, Alaska · 1875 days ago · 113 km deep · 69 km away
  7. 1.51 km SW of South Van Horn, Alaska · 1883 days ago · 15 km deep · 87 km away
  8. 1.6Central Alaska · 1883 days ago · 14 km deep · 89 km away
  9. 1.815 km W of Salcha, Alaska · 1884 days ago · 1 km deep · 54 km away
  10. 1.534 km E of Cantwell, Alaska · 1886 days ago · 7 km deep · 78 km away
  11. 1.624 km ENE of McKinley Park, Alaska · 1887 days ago · 102 km deep · 56 km away
  12. 1.814 km WSW of Salcha, Alaska · 1889 days ago · 4 km deep · 52 km away
  13. 2.959 km E of Cantwell, Alaska · 1890 days ago · 2 km deep · 63 km away
  14. 1.613 km WNW of Two Rivers, Alaska · 1891 days ago · 0 km deep · 99 km away
  15. 1.78 km NW of Harding-Birch Lakes, Alaska · 1892 days ago · 3 km deep · 54 km away
  16. 1.79 km SSW of South Van Horn, Alaska · 1892 days ago · 21 km deep · 80 km away
  17. 4.811 km NW of Harding-Birch Lakes, Alaska · 1894 days ago · 10 km deep · 54 km away · felt by 380
  18. 1.520 km SSW of South Van Horn, Alaska · 1895 days ago · 14 km deep · 72 km away
  19. 1.821 km W of Healy, Alaska · 1895 days ago · 120 km deep · 100 km away
  20. 1.93 km SW of Healy, Alaska · 1895 days ago · 120 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021aixa4f5 (also filed as us6000f7hs). Read Tue, Sep 29, 2026, 1:27 PM UTC.