Alaska earthquakes

M2.1 earthquake 54 km NNW of Petersville, Alaska

A magnitude 2.1 earthquake struck 54 km NNW of Petersville, Alaska on Fri, Sep 17, 2021, 11:21 PM AKDT (07:21 UTC), 125 km (78 mi) below the surface.

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

A larger quake followed: M3.9 35 km NE of Chase, Alaska. This one was a foreshock.

Talkeetna 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
2.1 (ml), micro
Local time
UTC
2021-09-18 07:21:07 UTC
Depth
124.9 km (77.6 mi), intermediate-depth
Epicenter
62.923° N, 151.287° 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
44

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 117 in the 30 days before it.

After

  1. 1.862 km N of Petersville, Alaska · 1834 days ago · 115 km deep · 27 km away
  2. 1.815 km SSE of Denali National Park, Alaska · 1833 days ago · 0 km deep · 57 km away
  3. 1.654 km E of Denali National Park, Alaska · 1832 days ago · 18 km deep · 83 km away · felt by 1
  4. 1.831 km SW of Cantwell, Alaska · 1832 days ago · 87 km deep · 99 km away
  5. 1.562 km SE of Denali National Park, Alaska · 1832 days ago · 131 km deep · 32 km away
  6. 1.545 km E of Denali National Park, Alaska · 1831 days ago · 5 km deep · 74 km away
  7. 1.741 km WNW of Skwentna, Alaska · 1831 days ago · 106 km deep · 98 km away
  8. 1.64 km SSW of Trapper Creek, Alaska · 1831 days ago · 10 km deep · 88 km away
  9. 1.57 km E of Talkeetna, Alaska · 1831 days ago · 12 km deep · 95 km away
  10. 1.551 km WSW of Cantwell, Alaska · 1830 days ago · 99 km deep · 78 km away
  11. 1.768 km ESE of Denali National Park, Alaska · 1830 days ago · 119 km deep · 56 km away
  12. 1.670 km SE of Denali National Park, Alaska · 1830 days ago · 115 km deep · 44 km away
  13. 1.57 km NW of Skwentna, Alaska · 1830 days ago · 82 km deep · 100 km away
  14. 1.717 km ENE of Chase, Alaska · 1830 days ago · 61 km deep · 87 km away
  15. 1.647 km WSW of Cantwell, Alaska · 1830 days ago · 90 km deep · 82 km away
  16. 2.572 km NW of Skwentna, Alaska · 1829 days ago · 7 km deep · 74 km away
  17. 1.545 km SSW of Cantwell, Alaska · 1829 days ago · 78 km deep · 97 km away
  18. 3.167 km N of Petersville, Alaska · 1828 days ago · 116 km deep · 40 km away
  19. 1.554 km N of Petersville, Alaska · 1828 days ago · 113 km deep · 25 km away
  20. 2.010 km SW of Trapper Creek, Alaska · 1828 days ago · 58 km deep · 87 km away
  21. 1.872 km ESE of Denali National Park, Alaska · 1828 days ago · 121 km deep · 50 km away
  22. 1.733 km SW of Petersville, Alaska · 1828 days ago · 86 km deep · 67 km away
  23. 1.567 km ESE of Denali National Park, Alaska · 1828 days ago · 122 km deep · 49 km away
  24. 2.151 km NNW of Petersville, Alaska · 1828 days ago · 110 km deep · 10 km away
  25. 1.632 km WSW of Cantwell, Alaska · 1828 days ago · 9 km deep · 97 km away
  26. 1.5Central Alaska · 1828 days ago · 109 km deep · 11 km away
  27. 1.971 km SE of Denali National Park, Alaska · 1828 days ago · 116 km deep · 44 km away
  28. 2.061 km ESE of Denali National Park, Alaska · 1827 days ago · 97 km deep · 55 km away
  29. 1.768 km SE of Denali National Park, Alaska · 1827 days ago · 114 km deep · 45 km away
  30. 1.657 km WNW of Petersville, Alaska · 1827 days ago · 0 km deep · 34 km away
  31. 1.646 km N of Petersville, Alaska · 1827 days ago · 33 km deep · 24 km away
  32. 2.221 km ESE of Denali National Park, Alaska · 1827 days ago · 4 km deep · 64 km away
  33. 2.23 km S of Petersville, Alaska · 1827 days ago · 54 km deep · 58 km away
  34. 2.131 km NNW of Petersville, Alaska · 1826 days ago · 90 km deep · 26 km away
  35. 2.270 km N of Petersville, Alaska · 1826 days ago · 117 km deep · 41 km away
  36. 1.652 km N of Chase, Alaska · 1826 days ago · 85 km deep · 70 km away
  37. 1.944 km SSE of Denali National Park, Alaska · 1825 days ago · 5 km deep · 28 km away
  38. 1.757 km N of Petersville, Alaska · 1825 days ago · 106 km deep · 32 km away
  39. 1.641 km WNW of Skwentna, Alaska · 1825 days ago · 105 km deep · 95 km away
  40. 2.848 km E of Denali National Park, Alaska · 1824 days ago · 0 km deep · 82 km away
  41. 1.5Central Alaska · 1824 days ago · 117 km deep · 54 km away
  42. 1.840 km WNW of Skwentna, Alaska · 1824 days ago · 104 km deep · 96 km away · felt by 1
  43. 1.653 km WNW of Skwentna, Alaska · 1824 days ago · 124 km deep · 93 km away
  44. 1.857 km WSW of Denali Park, Alaska · 1824 days ago · 113 km deep · 99 km away
  45. 3.026 km WSW of Trapper Creek, Alaska · 1824 days ago · 0 km deep · 86 km away · felt by 2
  46. 1.669 km ESE of Denali National Park, Alaska · 1823 days ago · 116 km deep · 56 km away
  47. 1.569 km NNE of Petersville, Alaska · 1823 days ago · 109 km deep · 47 km away
  48. 2.364 km SE of Denali National Park, Alaska · 1822 days ago · 128 km deep · 42 km away
  49. 1.8Central Alaska · 1822 days ago · 135 km deep · 36 km away
  50. 1.737 km WNW of Petersville, Alaska · 1822 days ago · 6 km deep · 35 km away
  51. 1.838 km SW of Cantwell, Alaska · 1822 days ago · 69 km deep · 98 km away
  52. 1.756 km N of Chase, Alaska · 1822 days ago · 72 km deep · 70 km away
  53. 1.539 km NE of Chase, Alaska · 1822 days ago · 15 km deep · 88 km away
  54. 1.751 km WSW of Denali National Park, Alaska · 1822 days ago · 5 km deep · 81 km away
  55. 1.816 km S of Denali National Park, Alaska · 1822 days ago · 5 km deep · 57 km away
  56. 1.768 km N of Petersville, Alaska · 1822 days ago · 126 km deep · 36 km away
  57. 1.939 km WNW of Petersville, Alaska · 1822 days ago · 6 km deep · 36 km away
  58. 1.618 km WNW of Petersville, Alaska · 1822 days ago · 88 km deep · 41 km away
  59. 1.745 km N of Petersville, Alaska · 1822 days ago · 36 km deep · 21 km away
  60. 1.544 km NNE of Petersville, Alaska · 1821 days ago · 90 km deep · 36 km away

The first 60 of at least 199.

Before

  1. 1.520 km ESE of Chase, Alaska · 1834 days ago · 14 km deep · 99 km away
  2. 1.770 km ESE of Denali National Park, Alaska · 1834 days ago · 115 km deep · 58 km away
  3. 1.762 km N of Petersville, Alaska · 1835 days ago · 119 km deep · 22 km away
  4. 1.561 km N of Petersville, Alaska · 1835 days ago · 119 km deep · 24 km away
  5. 2.052 km NNE of Chase, Alaska · 1835 days ago · 69 km deep · 82 km away
  6. 2.140 km WSW of Cantwell, Alaska · 1835 days ago · 99 km deep · 88 km away
  7. 2.149 km SSE of Denali National Park, Alaska · 1835 days ago · 9 km deep · 23 km away
  8. 2.858 km SSW of Cantwell, Alaska · 1836 days ago · 71 km deep · 89 km away
  9. 1.925 km W of Petersville, Alaska · 1836 days ago · 89 km deep · 43 km away
  10. 2.336 km W of Cantwell, Alaska · 1836 days ago · 103 km deep · 97 km away · felt by 1
  11. 1.654 km WSW of Denali National Park, Alaska · 1837 days ago · 14 km deep · 82 km away
  12. 2.132 km S of Denali National Park, Alaska · 1837 days ago · 9 km deep · 43 km away
  13. 1.826 km NNE of Skwentna, Alaska · 1837 days ago · 76 km deep · 79 km away
  14. 1.627 km WSW of Petersville, Alaska · 1837 days ago · 83 km deep · 56 km away
  15. 1.658 km N of Petersville, Alaska · 1838 days ago · 110 km deep · 21 km away
  16. 2.440 km SSW of Lake Minchumina, Alaska · 1838 days ago · 17 km deep · 93 km away
  17. 1.925 km SSW of Petersville, Alaska · 1838 days ago · 70 km deep · 75 km away
  18. 2.467 km ESE of Denali National Park, Alaska · 1838 days ago · 128 km deep · 47 km away · felt by 1
  19. 1.518 km ESE of Denali National Park, Alaska · 1838 days ago · 3 km deep · 62 km away
  20. 1.542 km NW of Skwentna, Alaska · 1838 days ago · 87 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021bzrk4o7. Read Sat, Sep 26, 2026, 10:42 AM UTC.