Alaska earthquakes

M1.5 earthquake 41 km NNW of Petersville, Alaska

A magnitude 1.5 earthquake struck 41 km NNW of Petersville, Alaska on Mon, Oct 18, 2021, 4:41 PM AKDT (00:41 UTC), 102 km (63 mi) below the surface.

A larger quake followed: M4.1 57 km S of Denali National Park, 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
1.5 (ml), micro
Local time
UTC
2021-10-19 00:41:07 UTC
Depth
101.6 km (63.1 mi), intermediate-depth
Epicenter
62.850° N, 151.026° 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
34

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 200 in the 60 days after this one and 142 in the 30 days before it.

After

  1. 1.927 km W of Cantwell, Alaska · 1802 days ago · 90 km deep · 95 km away
  2. 1.866 km SE of Denali National Park, Alaska · 1802 days ago · 115 km deep · 31 km away
  3. 3.935 km NE of Chase, Alaska · 1801 days ago · 74 km deep · 76 km away · felt by 33
  4. 1.642 km WNW of Skwentna, Alaska · 1801 days ago · 106 km deep · 96 km away
  5. 1.626 km ENE of Skwentna, Alaska · 1801 days ago · 68 km deep · 85 km away
  6. 1.950 km NNW of Petersville, Alaska · 1801 days ago · 115 km deep · 11 km away
  7. 1.610 km NW of Susitna North, Alaska · 1800 days ago · 56 km deep · 87 km away · felt by 1
  8. 2.072 km ESE of Denali National Park, Alaska · 1800 days ago · 122 km deep · 48 km away
  9. 1.949 km E of Denali National Park, Alaska · 1800 days ago · 10 km deep · 82 km away
  10. 1.551 km NNW of Petersville, Alaska · 1800 days ago · 110 km deep · 11 km away
  11. 1.962 km NE of Chase, Alaska · 1799 days ago · 63 km deep · 97 km away
  12. 1.861 km NE of Chase, Alaska · 1799 days ago · 52 km deep · 95 km away
  13. 1.564 km NNE of Petersville, Alaska · 1799 days ago · 102 km deep · 36 km away
  14. 2.173 km NNE of Petersville, Alaska · 1799 days ago · 103 km deep · 44 km away
  15. 2.865 km N of Petersville, Alaska · 1799 days ago · 122 km deep · 27 km away
  16. 1.831 km WNW of Petersville, Alaska · 1798 days ago · 95 km deep · 32 km away
  17. 1.563 km N of Petersville, Alaska · 1798 days ago · 122 km deep · 25 km away
  18. 1.5Central Alaska · 1798 days ago · 77 km deep · 65 km away
  19. 1.945 km SW of Cantwell, Alaska · 1798 days ago · 87 km deep · 81 km away
  20. 1.813 km ENE of Skwentna, Alaska · 1798 days ago · 73 km deep · 92 km away
  21. 2.275 km WNW of Petersville, Alaska · 1798 days ago · 8 km deep · 61 km away
  22. 1.648 km NNW of Petersville, Alaska · 1798 days ago · 115 km deep · 8 km away
  23. 1.862 km SE of Denali National Park, Alaska · 1797 days ago · 124 km deep · 31 km away
  24. 1.656 km SW of Cantwell, Alaska · 1797 days ago · 81 km deep · 69 km away
  25. 1.540 km NNW of Petersville, Alaska · 1797 days ago · 101 km deep · 3 km away
  26. 1.932 km SSE of Denali National Park, Alaska · 1797 days ago · 6 km deep · 52 km away
  27. 2.033 km SE of Denali National Park, Alaska · 1797 days ago · 6 km deep · 52 km away
  28. 2.064 km SE of Denali National Park, Alaska · 1797 days ago · 126 km deep · 28 km away
  29. 1.5Central Alaska · 1797 days ago · 101 km deep · 3 km away
  30. 1.551 km SSE of Denali National Park, Alaska · 1796 days ago · 0 km deep · 35 km away
  31. 1.523 km NNW of Skwentna, Alaska · 1796 days ago · 83 km deep · 79 km away
  32. 1.630 km WNW of Petersville, Alaska · 1796 days ago · 91 km deep · 31 km away
  33. 1.763 km SE of Denali National Park, Alaska · 1796 days ago · 128 km deep · 27 km away
  34. 2.057 km SE of Denali National Park, Alaska · 1796 days ago · 129 km deep · 33 km away
  35. 1.569 km W of Cantwell, Alaska · 1795 days ago · 132 km deep · 73 km away
  36. 2.454 km NNW of Petersville, Alaska · 1794 days ago · 112 km deep · 16 km away
  37. 1.572 km SE of Denali National Park, Alaska · 1794 days ago · 116 km deep · 40 km away
  38. 1.572 km SE of Denali National Park, Alaska · 1794 days ago · 116 km deep · 40 km away
  39. 1.526 km N of Skwentna, Alaska · 1794 days ago · 86 km deep · 73 km away
  40. 2.770 km N of Petersville, Alaska · 1793 days ago · 113 km deep · 37 km away
  41. 1.949 km NNW of Petersville, Alaska · 1793 days ago · 108 km deep · 9 km away
  42. 1.631 km SSW of Petersville, Alaska · 1793 days ago · 71 km deep · 68 km away
  43. 1.848 km N of Petersville, Alaska · 1793 days ago · 99 km deep · 13 km away
  44. 1.651 km SSE of Denali National Park, Alaska · 1792 days ago · 1 km deep · 35 km away
  45. 1.862 km SE of Denali National Park, Alaska · 1792 days ago · 129 km deep · 34 km away
  46. 1.536 km S of Denali National Park, Alaska · 1792 days ago · 8 km deep · 56 km away
  47. 1.554 km S of Denali National Park, Alaska · 1792 days ago · 1 km deep · 35 km away
  48. 1.765 km ESE of Denali National Park, Alaska · 1791 days ago · 128 km deep · 53 km away
  49. 1.662 km SE of Denali National Park, Alaska · 1791 days ago · 125 km deep · 31 km away
  50. 1.750 km ENE of Chase, Alaska · 1791 days ago · 54 km deep · 100 km away
  51. 1.821 km ESE of Denali National Park, Alaska · 1791 days ago · 1 km deep · 68 km away
  52. 1.510 km NE of Skwentna, Alaska · 1790 days ago · 75 km deep · 88 km away
  53. 1.630 km NNE of Skwentna, Alaska · 1790 days ago · 67 km deep · 70 km away
  54. 1.564 km NNE of Petersville, Alaska · 1790 days ago · 101 km deep · 35 km away
  55. 1.568 km SE of Denali National Park, Alaska · 1789 days ago · 111 km deep · 37 km away
  56. 1.6Central Alaska · 1789 days ago · 104 km deep · 21 km away
  57. 1.967 km SE of Denali National Park, Alaska · 1789 days ago · 119 km deep · 35 km away
  58. 1.750 km WSW of Cantwell, Alaska · 1789 days ago · 88 km deep · 71 km away
  59. 2.528 km NNE of Petersville, Alaska · 1789 days ago · 80 km deep · 25 km away
  60. 2.553 km N of Petersville, Alaska · 1788 days ago · 2 km deep · 22 km away

The first 60 of at least 200.

Before

  1. 1.525 km ESE of Denali National Park, Alaska · 1802 days ago · 4 km deep · 69 km away
  2. 2.452 km SSE of Denali National Park, Alaska · 1802 days ago · 11 km deep · 34 km away
  3. 2.017 km NE of Susitna North, Alaska · 1802 days ago · 46 km deep · 100 km away
  4. 1.549 km E of Denali National Park, Alaska · 1802 days ago · 6 km deep · 81 km away
  5. 1.643 km N of Petersville, Alaska · 1802 days ago · 96 km deep · 9 km away
  6. 2.214 km S of Trapper Creek, Alaska · 1802 days ago · 48 km deep · 85 km away
  7. 1.663 km SE of Denali National Park, Alaska · 1802 days ago · 123 km deep · 35 km away
  8. 1.834 km N of Petersville, Alaska · 1803 days ago · 83 km deep · 18 km away
  9. 2.0Central Alaska · 1804 days ago · 106 km deep · 9 km away
  10. 1.862 km NW of Skwentna, Alaska · 1804 days ago · 110 km deep · 71 km away
  11. 1.762 km SE of Denali National Park, Alaska · 1804 days ago · 128 km deep · 44 km away
  12. 2.622 km ESE of Denali National Park, Alaska · 1804 days ago · 12 km deep · 72 km away
  13. 1.664 km NW of Petersville, Alaska · 1804 days ago · 127 km deep · 26 km away
  14. 1.5Central Alaska · 1805 days ago · 92 km deep · 64 km away
  15. 3.263 km ESE of Denali National Park, Alaska · 1805 days ago · 128 km deep · 48 km away
  16. 1.558 km S of Denali National Park, Alaska · 1805 days ago · 138 km deep · 40 km away
  17. 1.832 km NNE of Petersville, Alaska · 1805 days ago · 82 km deep · 21 km away
  18. 1.567 km NNE of Petersville, Alaska · 1805 days ago · 94 km deep · 42 km away
  19. 1.523 km NE of Skwentna, Alaska · 1806 days ago · 71 km deep · 77 km away
  20. 1.858 km SE of Denali National Park, Alaska · 1806 days ago · 127 km deep · 36 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021dex656d. Read Thu, Sep 24, 2026, 12:52 PM UTC.