Alaska earthquakes

M1.8 earthquake 15 km NNE of Healy, Alaska

A magnitude 1.8 earthquake struck 15 km NNE of Healy, Alaska on Tue, Sep 21, 2021, 6:36 PM AKDT (02:36 UTC), 113 km (70 mi) below the surface.

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
1.8 (ml), micro
Local time
UTC
2021-09-22 02:36:28 UTC
Depth
112.9 km (70.2 mi), intermediate-depth
Epicenter
63.975° N, 148.804° 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
56

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 91 in the 60 days after this one and 34 in the 30 days before it.

After

  1. 1.534 km WSW of Ferry, Alaska · 1831 days ago · 3 km deep · 48 km away
  2. 2.326 km SSW of Cantwell, Alaska · 1831 days ago · 3 km deep · 91 km away
  3. 1.931 km W of Ferry, Alaska · 1829 days ago · 149 km deep · 47 km away
  4. 2.18 km NNE of Cantwell, Alaska · 1829 days ago · 10 km deep · 57 km away
  5. 1.564 km WSW of Ferry, Alaska · 1829 days ago · 9 km deep · 77 km away
  6. 1.984 km SW of Delta Junction, Alaska · 1828 days ago · 68 km deep · 92 km away
  7. 1.632 km WSW of Cantwell, Alaska · 1828 days ago · 9 km deep · 89 km away
  8. 2.019 km W of Healy, Alaska · 1828 days ago · 124 km deep · 32 km away
  9. 1.719 km N of Four Mile Road, Alaska · 1826 days ago · 22 km deep · 90 km away
  10. 2.014 km NW of Ferry, Alaska · 1826 days ago · 139 km deep · 29 km away
  11. 1.79 km WNW of Healy, Alaska · 1825 days ago · 117 km deep · 20 km away
  12. 1.826 km N of Four Mile Road, Alaska · 1825 days ago · 16 km deep · 97 km away
  13. 1.857 km WSW of Denali Park, Alaska · 1824 days ago · 113 km deep · 73 km away
  14. 1.965 km WSW of Delta Junction, Alaska · 1824 days ago · 0 km deep · 97 km away
  15. 1.574 km E of Cantwell, Alaska · 1824 days ago · 32 km deep · 86 km away
  16. 1.822 km ENE of Denali Park, Alaska · 1824 days ago · 87 km deep · 28 km away
  17. 1.571 km E of Cantwell, Alaska · 1823 days ago · 3 km deep · 86 km away
  18. 1.625 km SW of Cantwell, Alaska · 1823 days ago · 86 km deep · 85 km away
  19. 1.617 km W of Healy, Alaska · 1820 days ago · 116 km deep · 29 km away
  20. 1.753 km ENE of Cantwell, Alaska · 1820 days ago · 2 km deep · 67 km away
  21. 2.482 km ESE of Denali Park, Alaska · 1818 days ago · 13 km deep · 86 km away
  22. 2.383 km E of Denali Park, Alaska · 1818 days ago · 13 km deep · 87 km away
  23. 1.784 km ESE of Denali Park, Alaska · 1817 days ago · 4 km deep · 88 km away
  24. 2.083 km ESE of Denali Park, Alaska · 1817 days ago · 5 km deep · 89 km away
  25. 1.811 km NNE of Cantwell, Alaska · 1817 days ago · 11 km deep · 54 km away
  26. 2.114 km SW of North Pole, Alaska · 1817 days ago · 12 km deep · 97 km away · felt by 2
  27. 2.584 km ESE of Denali Park, Alaska · 1815 days ago · 3 km deep · 88 km away
  28. 1.818 km NW of Four Mile Road, Alaska · 1815 days ago · 32 km deep · 88 km away
  29. 1.916 km ENE of Cantwell, Alaska · 1814 days ago · 90 km deep · 57 km away
  30. 1.523 km WSW of Ester, Alaska · 1814 days ago · 8 km deep · 88 km away
  31. 2.014 km SW of North Pole, Alaska · 1813 days ago · 7 km deep · 97 km away · felt by 1
  32. 1.6Central Alaska · 1813 days ago · 1 km deep · 88 km away
  33. 3.011 km NNW of Four Mile Road, Alaska · 1812 days ago · 21 km deep · 82 km away · felt by 1
  34. 1.515 km NW of Four Mile Road, Alaska · 1811 days ago · 19 km deep · 85 km away
  35. 1.513 km NNW of Four Mile Road, Alaska · 1810 days ago · 22 km deep · 84 km away
  36. 1.524 km ENE of Denali Park, Alaska · 1808 days ago · 102 km deep · 23 km away
  37. 1.918 km NNW of Four Mile Road, Alaska · 1807 days ago · 17 km deep · 90 km away
  38. 2.118 km NNW of Four Mile Road, Alaska · 1807 days ago · 19 km deep · 90 km away
  39. 1.96 km ESE of Healy, Alaska · 1806 days ago · 113 km deep · 15 km away
  40. 1.574 km ESE of Denali Park, Alaska · 1804 days ago · 1 km deep · 80 km away
  41. 2.152 km WSW of Denali Park, Alaska · 1804 days ago · 135 km deep · 69 km away
  42. 1.927 km W of Cantwell, Alaska · 1804 days ago · 90 km deep · 78 km away
  43. 1.645 km E of Denali Park, Alaska · 1802 days ago · 81 km deep · 50 km away
  44. 1.622 km W of Ferry, Alaska · 1800 days ago · 137 km deep · 38 km away
  45. 1.623 km N of Four Mile Road, Alaska · 1800 days ago · 19 km deep · 94 km away
  46. 1.543 km SW of Salcha, Alaska · 1799 days ago · 10 km deep · 71 km away
  47. 1.66 km NE of Healy, Alaska · 1799 days ago · 106 km deep · 10 km away
  48. 1.618 km WSW of Healy, Alaska · 1798 days ago · 116 km deep · 31 km away
  49. 1.713 km NNW of Four Mile Road, Alaska · 1798 days ago · 22 km deep · 85 km away
  50. 1.569 km W of Cantwell, Alaska · 1798 days ago · 132 km deep · 97 km away
  51. 1.814 km WSW of Salcha, Alaska · 1798 days ago · 8 km deep · 97 km away
  52. 1.675 km ESE of Denali Park, Alaska · 1797 days ago · 5 km deep · 81 km away
  53. 1.713 km NW of Four Mile Road, Alaska · 1797 days ago · 23 km deep · 84 km away
  54. 2.624 km W of Ferry, Alaska · 1796 days ago · 145 km deep · 40 km away
  55. 1.946 km WSW of Denali Park, Alaska · 1796 days ago · 126 km deep · 64 km away
  56. 2.225 km WSW of Clear, Alaska, Alaska · 1795 days ago · 7 km deep · 44 km away
  57. 2.169 km E of Denali Park, Alaska · 1795 days ago · 74 km deep · 73 km away
  58. 2.618 km W of Denali Park, Alaska · 1794 days ago · 116 km deep · 34 km away
  59. 1.629 km SSW of Cantwell, Alaska · 1793 days ago · 74 km deep · 95 km away
  60. 1.522 km NNE of Four Mile Road, Alaska · 1792 days ago · 18 km deep · 92 km away

The first 60 of 91.

Before

  1. 1.831 km SW of Cantwell, Alaska · 1832 days ago · 87 km deep · 91 km away
  2. 1.518 km NW of Four Mile Road, Alaska · 1832 days ago · 23 km deep · 89 km away
  3. 1.654 km E of Denali National Park, Alaska · 1833 days ago · 18 km deep · 99 km away · felt by 1
  4. 2.049 km ESE of Nenana, Alaska · 1834 days ago · 15 km deep · 55 km away
  5. 1.639 km WSW of Denali Park, Alaska · 1835 days ago · 121 km deep · 58 km away
  6. 2.18 km NW of Anderson, Alaska · 1835 days ago · 3 km deep · 54 km away · felt by 2
  7. 2.140 km WSW of Cantwell, Alaska · 1835 days ago · 99 km deep · 89 km away
  8. 1.912 km SW of Cantwell, Alaska · 1836 days ago · 84 km deep · 76 km away
  9. 2.336 km W of Cantwell, Alaska · 1837 days ago · 103 km deep · 76 km away · felt by 1
  10. 2.132 km SE of Cantwell, Alaska · 1837 days ago · 73 km deep · 90 km away
  11. 2.89 km SSW of Cantwell, Alaska · 1837 days ago · 84 km deep · 74 km away
  12. 2.039 km W of Clear, Alaska, Alaska · 1838 days ago · 13 km deep · 64 km away
  13. 2.087 km WNW of Paxson, Alaska · 1838 days ago · 0 km deep · 99 km away
  14. 1.881 km SW of Delta Junction, Alaska · 1839 days ago · 0 km deep · 99 km away · felt by 1
  15. 1.517 km E of Ferry, Alaska · 1839 days ago · 4 km deep · 8 km away
  16. 2.244 km WSW of Cantwell, Alaska · 1840 days ago · 98 km deep · 96 km away
  17. 1.913 km NE of Healy, Alaska · 1841 days ago · 114 km deep · 3 km away
  18. 1.554 km WSW of McKinley Park, Alaska · 1842 days ago · 111 km deep · 71 km away
  19. 2.132 km ENE of Cantwell, Alaska · 1842 days ago · 0 km deep · 60 km away
  20. 2.062 km W of Cantwell, Alaska · 1842 days ago · 107 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021c6atma1. Read Sat, Sep 26, 2026, 9:58 PM UTC.