Alaska earthquakes

M1.7 earthquake 9 km WNW of Healy, Alaska

A magnitude 1.7 earthquake struck 9 km WNW of Healy, Alaska on Mon, Sep 27, 2021, 4:17 PM AKDT (00:17 UTC), 117 km (73 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M4.1 31 km SW of Salcha, Alaska. This one was a foreshock.

Healy 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
2021-09-28 00:17:02 UTC
Depth
117.0 km (72.7 mi), intermediate-depth
Epicenter
63.878° N, 149.150° W
Region
Alaska
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

An automatic solution; a seismologist may revise it.

Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 101 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 2.848 km E of Denali National Park, Alaska · 1825 days ago · 0 km deep · 85 km away
  2. 1.5Central Alaska · 1825 days ago · 117 km deep · 96 km away
  3. 1.857 km WSW of Denali Park, Alaska · 1824 days ago · 113 km deep · 53 km away
  4. 1.574 km E of Cantwell, Alaska · 1824 days ago · 32 km deep · 94 km away
  5. 1.822 km ENE of Denali Park, Alaska · 1824 days ago · 87 km deep · 35 km away
  6. 1.669 km ESE of Denali National Park, Alaska · 1824 days ago · 116 km deep · 94 km away
  7. 1.838 km SW of Cantwell, Alaska · 1823 days ago · 69 km deep · 87 km away
  8. 1.571 km E of Cantwell, Alaska · 1822 days ago · 3 km deep · 93 km away
  9. 1.625 km SW of Cantwell, Alaska · 1822 days ago · 86 km deep · 70 km away
  10. 1.617 km W of Healy, Alaska · 1820 days ago · 116 km deep · 9 km away
  11. 1.753 km ENE of Cantwell, Alaska · 1819 days ago · 2 km deep · 73 km away
  12. 2.658 km WSW of Cantwell, Alaska · 1818 days ago · 98 km deep · 87 km away
  13. 2.482 km ESE of Denali Park, Alaska · 1818 days ago · 13 km deep · 98 km away
  14. 2.383 km E of Denali Park, Alaska · 1818 days ago · 13 km deep · 98 km away
  15. 1.784 km ESE of Denali Park, Alaska · 1817 days ago · 4 km deep · 99 km away
  16. 2.083 km ESE of Denali Park, Alaska · 1817 days ago · 5 km deep · 100 km away
  17. 1.811 km NNE of Cantwell, Alaska · 1817 days ago · 11 km deep · 46 km away
  18. 2.153 km SW of Cantwell, Alaska · 1816 days ago · 86 km deep · 95 km away
  19. 2.584 km ESE of Denali Park, Alaska · 1815 days ago · 3 km deep · 99 km away
  20. 1.818 km NW of Four Mile Road, Alaska · 1815 days ago · 32 km deep · 95 km away
  21. 2.261 km ESE of Denali National Park, Alaska · 1815 days ago · 129 km deep · 96 km away
  22. 1.916 km ENE of Cantwell, Alaska · 1813 days ago · 90 km deep · 51 km away
  23. 1.6Central Alaska · 1813 days ago · 1 km deep · 99 km away
  24. 1.938 km E of Denali National Park, Alaska · 1813 days ago · 7 km deep · 96 km away
  25. 3.011 km NNW of Four Mile Road, Alaska · 1812 days ago · 21 km deep · 91 km away · felt by 1
  26. 1.661 km WSW of Cantwell, Alaska · 1812 days ago · 98 km deep · 84 km away
  27. 1.515 km NW of Four Mile Road, Alaska · 1810 days ago · 19 km deep · 93 km away
  28. 2.250 km E of Denali National Park, Alaska · 1810 days ago · 12 km deep · 84 km away
  29. 1.513 km NNW of Four Mile Road, Alaska · 1810 days ago · 22 km deep · 92 km away
  30. 1.950 km E of Denali National Park, Alaska · 1809 days ago · 7 km deep · 84 km away
  31. 1.836 km E of Denali National Park, Alaska · 1808 days ago · 5 km deep · 99 km away
  32. 1.524 km ENE of Denali Park, Alaska · 1808 days ago · 102 km deep · 34 km away
  33. 1.5Central Alaska · 1807 days ago · 92 km deep · 91 km away
  34. 1.918 km NNW of Four Mile Road, Alaska · 1806 days ago · 17 km deep · 98 km away
  35. 2.118 km NNW of Four Mile Road, Alaska · 1806 days ago · 19 km deep · 98 km away
  36. 1.96 km ESE of Healy, Alaska · 1805 days ago · 113 km deep · 16 km away
  37. 1.549 km E of Denali National Park, Alaska · 1804 days ago · 6 km deep · 85 km away
  38. 1.574 km ESE of Denali Park, Alaska · 1804 days ago · 1 km deep · 90 km away
  39. 2.152 km WSW of Denali Park, Alaska · 1804 days ago · 135 km deep · 49 km away
  40. 1.927 km W of Cantwell, Alaska · 1804 days ago · 90 km deep · 62 km away
  41. 2.072 km ESE of Denali National Park, Alaska · 1802 days ago · 122 km deep · 100 km away
  42. 1.949 km E of Denali National Park, Alaska · 1802 days ago · 10 km deep · 85 km away
  43. 1.645 km E of Denali Park, Alaska · 1802 days ago · 81 km deep · 60 km away
  44. 1.622 km W of Ferry, Alaska · 1800 days ago · 137 km deep · 28 km away
  45. 1.945 km SW of Cantwell, Alaska · 1800 days ago · 87 km deep · 93 km away
  46. 1.656 km SW of Cantwell, Alaska · 1799 days ago · 81 km deep · 99 km away
  47. 1.543 km SW of Salcha, Alaska · 1799 days ago · 10 km deep · 91 km away
  48. 1.66 km NE of Healy, Alaska · 1798 days ago · 106 km deep · 14 km away
  49. 1.618 km WSW of Healy, Alaska · 1798 days ago · 116 km deep · 11 km away
  50. 1.713 km NNW of Four Mile Road, Alaska · 1797 days ago · 22 km deep · 93 km away
  51. 1.569 km W of Cantwell, Alaska · 1797 days ago · 132 km deep · 77 km away
  52. 1.675 km ESE of Denali Park, Alaska · 1797 days ago · 5 km deep · 91 km away
  53. 1.713 km NW of Four Mile Road, Alaska · 1796 days ago · 23 km deep · 92 km away
  54. 2.624 km W of Ferry, Alaska · 1796 days ago · 145 km deep · 29 km away
  55. 1.946 km WSW of Denali Park, Alaska · 1796 days ago · 126 km deep · 45 km away
  56. 2.225 km WSW of Clear, Alaska, Alaska · 1795 days ago · 7 km deep · 37 km away
  57. 2.169 km E of Denali Park, Alaska · 1795 days ago · 74 km deep · 84 km away
  58. 2.618 km W of Denali Park, Alaska · 1794 days ago · 116 km deep · 16 km away
  59. 1.765 km ESE of Denali National Park, Alaska · 1793 days ago · 128 km deep · 96 km away
  60. 1.629 km SSW of Cantwell, Alaska · 1793 days ago · 74 km deep · 83 km away

The first 60 of 101.

Before

  1. 2.014 km NW of Ferry, Alaska · 1825 days ago · 139 km deep · 27 km away
  2. 1.719 km N of Four Mile Road, Alaska · 1826 days ago · 22 km deep · 100 km away
  3. 2.061 km ESE of Denali National Park, Alaska · 1828 days ago · 97 km deep · 96 km away
  4. 2.019 km W of Healy, Alaska · 1828 days ago · 124 km deep · 12 km away
  5. 1.632 km WSW of Cantwell, Alaska · 1828 days ago · 9 km deep · 74 km away
  6. 1.564 km WSW of Ferry, Alaska · 1829 days ago · 9 km deep · 58 km away
  7. 1.545 km SSW of Cantwell, Alaska · 1829 days ago · 78 km deep · 95 km away
  8. 2.18 km NNE of Cantwell, Alaska · 1829 days ago · 10 km deep · 48 km away
  9. 1.931 km W of Ferry, Alaska · 1829 days ago · 149 km deep · 33 km away
  10. 1.647 km WSW of Cantwell, Alaska · 1830 days ago · 90 km deep · 85 km away
  11. 2.326 km SSW of Cantwell, Alaska · 1830 days ago · 3 km deep · 78 km away
  12. 1.534 km WSW of Ferry, Alaska · 1830 days ago · 3 km deep · 31 km away
  13. 1.815 km NNE of Healy, Alaska · 1831 days ago · 113 km deep · 20 km away
  14. 1.768 km ESE of Denali National Park, Alaska · 1831 days ago · 119 km deep · 95 km away
  15. 1.551 km WSW of Cantwell, Alaska · 1831 days ago · 99 km deep · 86 km away
  16. 1.545 km E of Denali National Park, Alaska · 1832 days ago · 5 km deep · 89 km away
  17. 1.831 km SW of Cantwell, Alaska · 1832 days ago · 87 km deep · 77 km away
  18. 1.518 km NW of Four Mile Road, Alaska · 1832 days ago · 23 km deep · 96 km away
  19. 1.654 km E of Denali National Park, Alaska · 1832 days ago · 18 km deep · 79 km away · felt by 1
  20. 2.049 km ESE of Nenana, Alaska · 1834 days ago · 15 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021cg6qph7. Read Sat, Sep 26, 2026, 3:40 PM UTC.