Alaska earthquakes

M1.5 earthquake 45 km SSW of Cantwell, Alaska

A magnitude 1.5 earthquake struck 45 km SSW of Cantwell, Alaska on Thu, Sep 23, 2021, 12:02 PM AKDT (20:02 UTC), 78 km (49 mi) below the surface.

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
1.5 (ml), micro
Local time
UTC
2021-09-23 20:02:12 UTC
Depth
78.1 km (48.5 mi), intermediate-depth
Epicenter
63.032° N, 149.382° 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
32

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 96 in the 30 days before it.

After

  1. 1.564 km WSW of Ferry, Alaska · 1832 days ago · 9 km deep · 94 km away
  2. 3.167 km N of Petersville, Alaska · 1832 days ago · 116 km deep · 62 km away
  3. 1.554 km N of Petersville, Alaska · 1832 days ago · 113 km deep · 72 km away
  4. 1.872 km ESE of Denali National Park, Alaska · 1832 days ago · 121 km deep · 59 km away
  5. 1.567 km ESE of Denali National Park, Alaska · 1832 days ago · 122 km deep · 63 km away
  6. 2.151 km NNW of Petersville, Alaska · 1832 days ago · 110 km deep · 87 km away
  7. 1.632 km WSW of Cantwell, Alaska · 1831 days ago · 9 km deep · 23 km away
  8. 1.759 km ENE of Susitna North, Alaska · 1831 days ago · 4 km deep · 75 km away
  9. 1.671 km N of Chickaloon, Alaska · 1831 days ago · 43 km deep · 90 km away
  10. 1.5Central Alaska · 1831 days ago · 109 km deep · 86 km away
  11. 1.971 km SE of Denali National Park, Alaska · 1831 days ago · 116 km deep · 62 km away
  12. 2.019 km W of Healy, Alaska · 1831 days ago · 124 km deep · 88 km away
  13. 2.061 km ESE of Denali National Park, Alaska · 1831 days ago · 97 km deep · 69 km away
  14. 2.058 km N of Chickaloon, Alaska · 1831 days ago · 29 km deep · 99 km away
  15. 1.768 km SE of Denali National Park, Alaska · 1831 days ago · 114 km deep · 64 km away
  16. 1.646 km N of Petersville, Alaska · 1830 days ago · 33 km deep · 74 km away
  17. 2.280 km NW of Lake Louise, Alaska · 1830 days ago · 0 km deep · 88 km away
  18. 2.23 km S of Petersville, Alaska · 1830 days ago · 54 km deep · 95 km away
  19. 2.131 km NNW of Petersville, Alaska · 1830 days ago · 90 km deep · 82 km away
  20. 2.270 km N of Petersville, Alaska · 1830 days ago · 117 km deep · 63 km away
  21. 1.937 km ENE of Susitna North, Alaska · 1829 days ago · 47 km deep · 77 km away
  22. 1.652 km N of Chase, Alaska · 1829 days ago · 85 km deep · 30 km away
  23. 1.757 km N of Petersville, Alaska · 1829 days ago · 106 km deep · 66 km away
  24. 1.79 km WNW of Healy, Alaska · 1828 days ago · 117 km deep · 95 km away
  25. 2.848 km E of Denali National Park, Alaska · 1828 days ago · 0 km deep · 96 km away
  26. 1.5Central Alaska · 1828 days ago · 117 km deep · 62 km away
  27. 1.857 km WSW of Denali Park, Alaska · 1828 days ago · 113 km deep · 73 km away
  28. 1.822 km ENE of Denali Park, Alaska · 1827 days ago · 87 km deep · 94 km away
  29. 1.669 km ESE of Denali National Park, Alaska · 1827 days ago · 116 km deep · 61 km away
  30. 1.569 km NNE of Petersville, Alaska · 1827 days ago · 109 km deep · 54 km away
  31. 2.364 km SE of Denali National Park, Alaska · 1826 days ago · 128 km deep · 69 km away
  32. 1.8Central Alaska · 1826 days ago · 135 km deep · 74 km away
  33. 1.838 km SW of Cantwell, Alaska · 1826 days ago · 69 km deep · 8 km away
  34. 1.756 km N of Chase, Alaska · 1826 days ago · 72 km deep · 28 km away
  35. 1.625 km SW of Cantwell, Alaska · 1826 days ago · 86 km deep · 25 km away
  36. 1.539 km NE of Chase, Alaska · 1826 days ago · 15 km deep · 36 km away
  37. 1.768 km N of Petersville, Alaska · 1826 days ago · 126 km deep · 67 km away
  38. 1.643 km NE of Susitna North, Alaska · 1825 days ago · 8 km deep · 71 km away
  39. 1.653 km N of Sutton-Alpine, Alaska · 1825 days ago · 30 km deep · 91 km away
  40. 1.745 km N of Petersville, Alaska · 1825 days ago · 36 km deep · 77 km away
  41. 1.544 km NNE of Petersville, Alaska · 1825 days ago · 90 km deep · 62 km away
  42. 2.060 km NNE of Petersville, Alaska · 1825 days ago · 97 km deep · 56 km away
  43. 1.674 km SE of Denali National Park, Alaska · 1824 days ago · 101 km deep · 57 km away
  44. 1.757 km N of Chase, Alaska · 1824 days ago · 81 km deep · 28 km away
  45. 1.529 km E of Chase, Alaska · 1824 days ago · 52 km deep · 62 km away
  46. 1.649 km N of Petersville, Alaska · 1824 days ago · 103 km deep · 76 km away
  47. 2.175 km N of Chickaloon, Alaska · 1823 days ago · 37 km deep · 78 km away
  48. 1.617 km W of Healy, Alaska · 1823 days ago · 116 km deep · 92 km away
  49. 2.163 km SE of Cantwell, Alaska · 1823 days ago · 64 km deep · 61 km away
  50. 1.753 km ENE of Cantwell, Alaska · 1823 days ago · 2 km deep · 91 km away
  51. 1.648 km E of Chase, Alaska · 1823 days ago · 5 km deep · 62 km away
  52. 1.550 km E of Chase, Alaska · 1823 days ago · 5 km deep · 64 km away
  53. 1.632 km NNE of Chase, Alaska · 1823 days ago · 3 km deep · 42 km away
  54. 2.658 km WSW of Cantwell, Alaska · 1822 days ago · 98 km deep · 38 km away
  55. 1.670 km N of Petersville, Alaska · 1822 days ago · 110 km deep · 62 km away
  56. 1.662 km SE of Denali National Park, Alaska · 1822 days ago · 129 km deep · 70 km away
  57. 1.965 km NNE of Petersville, Alaska · 1821 days ago · 109 km deep · 53 km away
  58. 2.060 km NNE of Petersville, Alaska · 1821 days ago · 99 km deep · 55 km away
  59. 2.362 km SSE of Cantwell, Alaska · 1821 days ago · 16 km deep · 45 km away
  60. 1.677 km ESE of Denali National Park, Alaska · 1821 days ago · 113 km deep · 55 km away

The first 60 of at least 199.

Before

  1. 2.18 km NNE of Cantwell, Alaska · 1832 days ago · 10 km deep · 54 km away
  2. 1.661 km SSE of Cantwell, Alaska · 1832 days ago · 9 km deep · 53 km away
  3. 1.647 km WSW of Cantwell, Alaska · 1833 days ago · 90 km deep · 23 km away
  4. 1.717 km ENE of Chase, Alaska · 1834 days ago · 61 km deep · 60 km away
  5. 2.326 km SSW of Cantwell, Alaska · 1834 days ago · 3 km deep · 19 km away
  6. 1.534 km WSW of Ferry, Alaska · 1834 days ago · 3 km deep · 98 km away
  7. 1.670 km SE of Denali National Park, Alaska · 1834 days ago · 115 km deep · 62 km away
  8. 1.768 km ESE of Denali National Park, Alaska · 1834 days ago · 119 km deep · 61 km away
  9. 1.551 km WSW of Cantwell, Alaska · 1834 days ago · 99 km deep · 28 km away
  10. 1.57 km E of Talkeetna, Alaska · 1834 days ago · 12 km deep · 84 km away
  11. 1.770 km ENE of Chase, Alaska · 1834 days ago · 59 km deep · 46 km away
  12. 1.64 km SSW of Trapper Creek, Alaska · 1835 days ago · 10 km deep · 95 km away
  13. 1.545 km E of Denali National Park, Alaska · 1835 days ago · 5 km deep · 92 km away
  14. 1.562 km SE of Denali National Park, Alaska · 1835 days ago · 131 km deep · 75 km away
  15. 1.831 km SW of Cantwell, Alaska · 1836 days ago · 87 km deep · 18 km away
  16. 1.654 km E of Denali National Park, Alaska · 1836 days ago · 18 km deep · 90 km away · felt by 1
  17. 1.862 km N of Petersville, Alaska · 1837 days ago · 115 km deep · 74 km away
  18. 1.560 km N of Chickaloon, Alaska · 1838 days ago · 35 km deep · 87 km away
  19. 1.639 km WSW of Denali Park, Alaska · 1838 days ago · 121 km deep · 67 km away
  20. 2.154 km NNW of Petersville, Alaska · 1838 days ago · 125 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021c88vfu6. Read Wed, Sep 30, 2026, 3:12 AM UTC.