Alaska earthquakes

M1.6 earthquake Central Alaska

A magnitude 1.6 earthquake struck in Central Alaska on Sun, Sep 12, 2021, 8:19 PM AKDT (04:19 UTC), 127 km (79 mi) below the surface.

A larger quake followed: M3.9 35 km NE of Chase, 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
1.6 (ml), micro
Local time
UTC
2021-09-13 04:19:36 UTC
Depth
127.4 km (79.2 mi), intermediate-depth
Epicenter
63.262° N, 150.701° 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
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 92 in the 30 days before it.

After

  1. 2.159 km SE of Denali National Park, Alaska · 1837 days ago · 134 km deep · 5 km away
  2. 1.628 km W of Petersville, Alaska · 1837 days ago · 81 km deep · 90 km away
  3. 1.657 km NNW of Petersville, Alaska · 1837 days ago · 111 km deep · 40 km away
  4. 2.163 km SE of Denali National Park, Alaska · 1837 days ago · 128 km deep · 7 km away
  5. 2.142 km SSE of Denali National Park, Alaska · 1837 days ago · 9 km deep · 32 km away
  6. 1.767 km ESE of Denali National Park, Alaska · 1837 days ago · 98 km deep · 9 km away
  7. 1.547 km NW of Petersville, Alaska · 1837 days ago · 104 km deep · 58 km away
  8. 1.728 km WNW of Petersville, Alaska · 1836 days ago · 93 km deep · 76 km away
  9. 1.518 km ESE of Denali National Park, Alaska · 1836 days ago · 3 km deep · 42 km away
  10. 2.467 km ESE of Denali National Park, Alaska · 1836 days ago · 128 km deep · 8 km away · felt by 1
  11. 2.440 km SSW of Lake Minchumina, Alaska · 1836 days ago · 17 km deep · 97 km away
  12. 1.658 km N of Petersville, Alaska · 1836 days ago · 110 km deep · 30 km away
  13. 1.627 km WSW of Petersville, Alaska · 1836 days ago · 83 km deep · 98 km away
  14. 2.132 km S of Denali National Park, Alaska · 1835 days ago · 9 km deep · 52 km away
  15. 1.654 km WSW of Denali National Park, Alaska · 1835 days ago · 14 km deep · 99 km away
  16. 2.89 km SSW of Cantwell, Alaska · 1835 days ago · 84 km deep · 82 km away
  17. 2.336 km W of Cantwell, Alaska · 1834 days ago · 103 km deep · 53 km away · felt by 1
  18. 1.925 km W of Petersville, Alaska · 1834 days ago · 89 km deep · 86 km away
  19. 2.858 km SSW of Cantwell, Alaska · 1834 days ago · 71 km deep · 69 km away
  20. 2.149 km SSE of Denali National Park, Alaska · 1834 days ago · 9 km deep · 41 km away
  21. 1.842 km SSW of Cantwell, Alaska · 1834 days ago · 77 km deep · 73 km away
  22. 1.912 km SW of Cantwell, Alaska · 1833 days ago · 84 km deep · 80 km away
  23. 2.140 km WSW of Cantwell, Alaska · 1833 days ago · 99 km deep · 48 km away
  24. 2.052 km NNE of Chase, Alaska · 1833 days ago · 69 km deep · 67 km away
  25. 1.561 km N of Petersville, Alaska · 1833 days ago · 119 km deep · 26 km away
  26. 1.762 km N of Petersville, Alaska · 1833 days ago · 119 km deep · 27 km away
  27. 1.770 km ESE of Denali National Park, Alaska · 1833 days ago · 115 km deep · 13 km away
  28. 2.154 km NNW of Petersville, Alaska · 1832 days ago · 125 km deep · 48 km away
  29. 1.639 km WSW of Denali Park, Alaska · 1832 days ago · 121 km deep · 65 km away
  30. 1.862 km N of Petersville, Alaska · 1832 days ago · 115 km deep · 24 km away
  31. 1.815 km SSE of Denali National Park, Alaska · 1832 days ago · 0 km deep · 47 km away
  32. 1.654 km E of Denali National Park, Alaska · 1830 days ago · 18 km deep · 39 km away · felt by 1
  33. 1.831 km SW of Cantwell, Alaska · 1830 days ago · 87 km deep · 65 km away
  34. 1.562 km SE of Denali National Park, Alaska · 1830 days ago · 131 km deep · 16 km away
  35. 1.545 km E of Denali National Park, Alaska · 1830 days ago · 5 km deep · 33 km away
  36. 1.551 km WSW of Cantwell, Alaska · 1829 days ago · 99 km deep · 44 km away
  37. 1.768 km ESE of Denali National Park, Alaska · 1829 days ago · 119 km deep · 11 km away
  38. 1.670 km SE of Denali National Park, Alaska · 1829 days ago · 115 km deep · 12 km away
  39. 1.534 km WSW of Ferry, Alaska · 1828 days ago · 3 km deep · 84 km away
  40. 2.326 km SSW of Cantwell, Alaska · 1828 days ago · 3 km deep · 77 km away
  41. 1.717 km ENE of Chase, Alaska · 1828 days ago · 61 km deep · 94 km away
  42. 1.647 km WSW of Cantwell, Alaska · 1828 days ago · 90 km deep · 49 km away
  43. 1.931 km W of Ferry, Alaska · 1827 days ago · 149 km deep · 96 km away
  44. 2.18 km NNE of Cantwell, Alaska · 1827 days ago · 10 km deep · 94 km away
  45. 1.545 km SSW of Cantwell, Alaska · 1827 days ago · 78 km deep · 71 km away
  46. 1.564 km WSW of Ferry, Alaska · 1827 days ago · 9 km deep · 60 km away
  47. 3.167 km N of Petersville, Alaska · 1826 days ago · 116 km deep · 19 km away
  48. 1.554 km N of Petersville, Alaska · 1826 days ago · 113 km deep · 31 km away
  49. 1.872 km ESE of Denali National Park, Alaska · 1826 days ago · 121 km deep · 12 km away
  50. 1.567 km ESE of Denali National Park, Alaska · 1826 days ago · 122 km deep · 8 km away
  51. 2.151 km NNW of Petersville, Alaska · 1826 days ago · 110 km deep · 42 km away
  52. 1.632 km WSW of Cantwell, Alaska · 1826 days ago · 9 km deep · 61 km away
  53. 1.5Central Alaska · 1826 days ago · 109 km deep · 42 km away
  54. 1.971 km SE of Denali National Park, Alaska · 1826 days ago · 116 km deep · 13 km away
  55. 2.019 km W of Healy, Alaska · 1826 days ago · 124 km deep · 91 km away
  56. 2.061 km ESE of Denali National Park, Alaska · 1826 days ago · 97 km deep · 7 km away
  57. 1.768 km SE of Denali National Park, Alaska · 1825 days ago · 114 km deep · 10 km away
  58. 1.657 km WNW of Petersville, Alaska · 1825 days ago · 0 km deep · 82 km away
  59. 1.646 km N of Petersville, Alaska · 1825 days ago · 33 km deep · 39 km away
  60. 2.221 km ESE of Denali National Park, Alaska · 1825 days ago · 4 km deep · 39 km away

The first 60 of at least 199.

Before

  1. 3.048 km S of Denali National Park, Alaska · 1838 days ago · 154 km deep · 49 km away · felt by 1
  2. 1.832 km SE of Denali National Park, Alaska · 1838 days ago · 6 km deep · 28 km away
  3. 2.244 km WSW of Cantwell, Alaska · 1838 days ago · 98 km deep · 47 km away
  4. 2.520 km WNW of Petersville, Alaska · 1838 days ago · 86 km deep · 84 km away
  5. 2.239 km SSW of Cantwell, Alaska · 1839 days ago · 82 km deep · 72 km away
  6. 1.851 km NE of Chase, Alaska · 1839 days ago · 58 km deep · 86 km away
  7. 2.858 km N of Petersville, Alaska · 1839 days ago · 107 km deep · 27 km away
  8. 1.554 km WSW of McKinley Park, Alaska · 1839 days ago · 111 km deep · 51 km away
  9. 2.062 km W of Cantwell, Alaska · 1840 days ago · 107 km deep · 29 km away
  10. 1.736 km S of Denali National Park, Alaska · 1840 days ago · 2 km deep · 53 km away
  11. 1.849 km NE of Chase, Alaska · 1840 days ago · 74 km deep · 81 km away
  12. 2.160 km NNW of Petersville, Alaska · 1840 days ago · 120 km deep · 30 km away
  13. 2.864 km SE of Denali National Park, Alaska · 1841 days ago · 124 km deep · 21 km away · felt by 1
  14. 1.662 km SE of Denali National Park, Alaska · 1841 days ago · 126 km deep · 6 km away
  15. 2.752 km N of Petersville, Alaska · 1841 days ago · 117 km deep · 35 km away
  16. 1.959 km W of Cantwell, Alaska · 1842 days ago · 108 km deep · 33 km away
  17. 1.662 km SE of Denali National Park, Alaska · 1843 days ago · 127 km deep · 8 km away
  18. 2.056 km NNE of Petersville, Alaska · 1844 days ago · 97 km deep · 33 km away
  19. 2.034 km W of Petersville, Alaska · 1845 days ago · 94 km deep · 93 km away
  20. 1.643 km NNE of Petersville, Alaska · 1845 days ago · 91 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021brg2q9g. Read Thu, Sep 24, 2026, 3:58 PM UTC.