Alaska earthquakes

M1.8 earthquake 61 km NE of Chase, Alaska

A magnitude 1.8 earthquake struck 61 km NE of Chase, Alaska on Wed, Oct 20, 2021, 7:28 PM AKDT (03:28 UTC), 52 km (32 mi) below the surface.

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

A larger quake followed: M4.4 60 km SSE of Cantwell, 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
1.8 (ml), micro
Local time
UTC
2021-10-21 03:28:00 UTC
Depth
52.3 km (32.5 mi), shallow
Epicenter
62.791° N, 149.155° 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
24

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 129 in the 30 days before it.

After

  1. 1.564 km NNE of Petersville, Alaska · 1801 days ago · 102 km deep · 73 km away
  2. 1.971 km SSE of Cantwell, Alaska · 1801 days ago · 63 km deep · 39 km away
  3. 1.519 km ENE of Susitna North, Alaska · 1801 days ago · 43 km deep · 67 km away
  4. 4.460 km SSE of Cantwell, Alaska · 1801 days ago · 72 km deep · 45 km away · felt by 43
  5. 2.173 km NNE of Petersville, Alaska · 1801 days ago · 103 km deep · 75 km away
  6. 2.865 km N of Petersville, Alaska · 1801 days ago · 122 km deep · 90 km away
  7. 1.563 km N of Petersville, Alaska · 1801 days ago · 122 km deep · 90 km away
  8. 1.945 km SW of Cantwell, Alaska · 1800 days ago · 87 km deep · 34 km away
  9. 1.862 km SE of Denali National Park, Alaska · 1800 days ago · 124 km deep · 96 km away
  10. 1.656 km SW of Cantwell, Alaska · 1800 days ago · 81 km deep · 39 km away
  11. 1.540 km NNW of Petersville, Alaska · 1800 days ago · 101 km deep · 92 km away
  12. 2.064 km SE of Denali National Park, Alaska · 1799 days ago · 126 km deep · 94 km away
  13. 1.5Central Alaska · 1799 days ago · 101 km deep · 92 km away
  14. 1.741 km N of Chickaloon, Alaska · 1799 days ago · 15 km deep · 77 km away
  15. 1.653 km E of Chase, Alaska · 1799 days ago · 55 km deep · 36 km away
  16. 2.635 km ESE of Susitna North, Alaska · 1798 days ago · 42 km deep · 79 km away
  17. 1.763 km SE of Denali National Park, Alaska · 1798 days ago · 128 km deep · 96 km away
  18. 1.965 km S of Cantwell, Alaska · 1798 days ago · 65 km deep · 6 km away
  19. 1.569 km W of Cantwell, Alaska · 1798 days ago · 132 km deep · 92 km away
  20. 1.761 km SSE of Cantwell, Alaska · 1797 days ago · 12 km deep · 43 km away
  21. 1.572 km SE of Denali National Park, Alaska · 1797 days ago · 116 km deep · 82 km away
  22. 1.572 km SE of Denali National Park, Alaska · 1797 days ago · 116 km deep · 82 km away
  23. 1.826 km NW of Fishhook, Alaska · 1796 days ago · 29 km deep · 99 km away
  24. 1.946 km WSW of Denali Park, Alaska · 1796 days ago · 126 km deep · 96 km away
  25. 2.770 km N of Petersville, Alaska · 1796 days ago · 113 km deep · 83 km away
  26. 1.848 km N of Petersville, Alaska · 1795 days ago · 99 km deep · 88 km away
  27. 1.862 km SE of Denali National Park, Alaska · 1794 days ago · 129 km deep · 94 km away
  28. 2.226 km N of Sutton-Alpine, Alaska · 1794 days ago · 0 km deep · 88 km away · felt by 1
  29. 1.765 km ESE of Denali National Park, Alaska · 1794 days ago · 128 km deep · 89 km away
  30. 1.811 km ESE of Susitna North, Alaska · 1793 days ago · 43 km deep · 79 km away
  31. 1.662 km SE of Denali National Park, Alaska · 1793 days ago · 125 km deep · 95 km away
  32. 1.750 km ENE of Chase, Alaska · 1793 days ago · 54 km deep · 24 km away
  33. 1.629 km SSW of Cantwell, Alaska · 1793 days ago · 74 km deep · 38 km away
  34. 1.630 km N of Chickaloon, Alaska · 1793 days ago · 27 km deep · 88 km away
  35. 1.564 km NNE of Petersville, Alaska · 1793 days ago · 101 km deep · 75 km away
  36. 1.568 km SE of Denali National Park, Alaska · 1792 days ago · 111 km deep · 86 km away
  37. 1.6Central Alaska · 1792 days ago · 104 km deep · 95 km away
  38. 1.967 km SE of Denali National Park, Alaska · 1791 days ago · 119 km deep · 89 km away
  39. 1.750 km WSW of Cantwell, Alaska · 1791 days ago · 88 km deep · 63 km away
  40. 2.528 km NNE of Petersville, Alaska · 1791 days ago · 80 km deep · 73 km away
  41. 1.669 km SE of Cantwell, Alaska · 1791 days ago · 65 km deep · 52 km away
  42. 2.553 km N of Petersville, Alaska · 1790 days ago · 2 km deep · 81 km away
  43. 2.274 km N of Chickaloon, Alaska · 1790 days ago · 39 km deep · 58 km away
  44. 1.667 km ESE of Denali National Park, Alaska · 1790 days ago · 136 km deep · 87 km away
  45. 1.561 km N of Petersville, Alaska · 1790 days ago · 117 km deep · 96 km away
  46. 1.567 km SE of Denali National Park, Alaska · 1789 days ago · 135 km deep · 88 km away
  47. 1.658 km NNE of Chase, Alaska · 1789 days ago · 91 km deep · 38 km away
  48. 1.516 km S of Susitna North, Alaska · 1789 days ago · 47 km deep · 94 km away
  49. 1.547 km N of Petersville, Alaska · 1789 days ago · 103 km deep · 87 km away
  50. 1.738 km W of Cantwell, Alaska · 1789 days ago · 95 km deep · 68 km away
  51. 1.651 km NNE of Petersville, Alaska · 1789 days ago · 94 km deep · 70 km away
  52. 1.571 km SE of Denali National Park, Alaska · 1789 days ago · 113 km deep · 82 km away
  53. 2.522 km ENE of Chase, Alaska · 1789 days ago · 55 km deep · 40 km away
  54. 1.58 km SSE of Talkeetna, Alaska · 1788 days ago · 12 km deep · 76 km away
  55. 1.623 km ENE of Chase, Alaska · 1788 days ago · 59 km deep · 39 km away
  56. 1.722 km NW of Petersville, Alaska · 1787 days ago · 78 km deep · 96 km away
  57. 2.465 km SE of Denali National Park, Alaska · 1787 days ago · 123 km deep · 90 km away
  58. 1.535 km NNW of Sutton-Alpine, Alaska · 1787 days ago · 28 km deep · 79 km away
  59. 1.959 km SW of Cantwell, Alaska · 1787 days ago · 76 km deep · 42 km away
  60. 1.565 km N of Petersville, Alaska · 1786 days ago · 125 km deep · 94 km away

The first 60 of at least 199.

Before

  1. 1.962 km NE of Chase, Alaska · 1802 days ago · 63 km deep · 2 km away
  2. 3.49 km ESE of Susitna North, Alaska · 1802 days ago · 46 km deep · 79 km away · felt by 4
  3. 2.519 km S of Susitna North, Alaska · 1802 days ago · 45 km deep · 96 km away
  4. 1.671 km SSE of Cantwell, Alaska · 1802 days ago · 62 km deep · 51 km away
  5. 2.072 km ESE of Denali National Park, Alaska · 1802 days ago · 122 km deep · 82 km away
  6. 1.610 km NW of Susitna North, Alaska · 1802 days ago · 56 km deep · 74 km away · felt by 1
  7. 1.770 km S of Cantwell, Alaska · 1803 days ago · 6 km deep · 21 km away
  8. 3.935 km NE of Chase, Alaska · 1803 days ago · 74 km deep · 26 km away · felt by 33
  9. 1.866 km SE of Denali National Park, Alaska · 1804 days ago · 115 km deep · 90 km away
  10. 1.927 km W of Cantwell, Alaska · 1804 days ago · 90 km deep · 64 km away
  11. 1.541 km NNW of Petersville, Alaska · 1804 days ago · 102 km deep · 95 km away
  12. 2.152 km WSW of Denali Park, Alaska · 1804 days ago · 135 km deep · 99 km away
  13. 2.017 km NE of Susitna North, Alaska · 1804 days ago · 46 km deep · 64 km away
  14. 1.643 km N of Petersville, Alaska · 1804 days ago · 96 km deep · 88 km away
  15. 2.214 km S of Trapper Creek, Alaska · 1805 days ago · 48 km deep · 85 km away
  16. 1.5Central Alaska · 1805 days ago · 10 km deep · 44 km away
  17. 1.663 km SE of Denali National Park, Alaska · 1805 days ago · 123 km deep · 92 km away
  18. 1.834 km N of Petersville, Alaska · 1805 days ago · 83 km deep · 77 km away
  19. 1.762 km SE of Denali National Park, Alaska · 1806 days ago · 128 km deep · 92 km away
  20. 1.5Central Alaska · 1807 days ago · 92 km deep · 55 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021di9yc27. Read Sat, Sep 26, 2026, 7:09 PM UTC.