Alaska earthquakes

M1.6 earthquake 36 km W of Susitna, Alaska

A magnitude 1.6 earthquake struck 36 km W of Susitna, Alaska on Fri, Sep 3, 2021, 8:18 AM AKDT (16:18 UTC), 70 km (44 mi) below the surface.

A larger quake followed: M3.4 9 km ESE of Susitna North, Alaska. This one was a foreshock.

Willow 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
2021-09-03 16:18:37 UTC
Depth
70.3 km (43.7 mi), intermediate-depth
Epicenter
61.596° N, 151.199° 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
63

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 140 in the 30 days before it.

After

  1. 2.515 km N of Beluga, Alaska · 1847 days ago · 70 km deep · 36 km away · felt by 1
  2. 2.56 km N of Big Lake, Alaska · 1847 days ago · 37 km deep · 65 km away
  3. 1.97 km SE of Houston, Alaska · 1847 days ago · 29 km deep · 78 km away
  4. 1.647 km W of Tyonek, Alaska · 1846 days ago · 88 km deep · 76 km away
  5. 1.726 km SSW of Susitna, Alaska · 1846 days ago · 60 km deep · 44 km away
  6. 1.510 km NW of Point Possession, Alaska · 1846 days ago · 54 km deep · 69 km away
  7. 1.53 km NNW of Beluga, Alaska · 1846 days ago · 61 km deep · 47 km away
  8. 3.15 km N of Big Lake, Alaska · 1845 days ago · 40 km deep · 66 km away · felt by 12
  9. 2.511 km SW of Trapper Creek, Alaska · 1845 days ago · 59 km deep · 84 km away
  10. 1.557 km WNW of Skwentna, Alaska · 1845 days ago · 2 km deep · 88 km away
  11. 1.99 km N of Meadow Lakes, Alaska · 1845 days ago · 38 km deep · 84 km away · felt by 1
  12. 2.313 km WSW of Point MacKenzie, Alaska · 1844 days ago · 48 km deep · 63 km away
  13. 2.521 km W of Tyonek, Alaska · 1844 days ago · 75 km deep · 59 km away
  14. 1.628 km NW of Susitna, Alaska · 1844 days ago · 65 km deep · 17 km away
  15. 2.527 km SSE of Susitna North, Alaska · 1844 days ago · 12 km deep · 89 km away
  16. 1.69 km ENE of Willow, Alaska · 1844 days ago · 35 km deep · 73 km away
  17. 1.921 km W of Susitna, Alaska · 1843 days ago · 62 km deep · 15 km away
  18. 2.212 km N of Houston, Alaska · 1843 days ago · 25 km deep · 77 km away
  19. 3.014 km ESE of Susitna, Alaska · 1843 days ago · 62 km deep · 51 km away · felt by 4
  20. 2.316 km NNW of Willow, Alaska · 1842 days ago · 40 km deep · 62 km away
  21. 1.926 km WSW of Anchorage, Alaska · 1842 days ago · 43 km deep · 69 km away
  22. 1.850 km WNW of Skwentna, Alaska · 1842 days ago · 120 km deep · 84 km away
  23. 1.723 km NW of Nikiski, Alaska · 1842 days ago · 78 km deep · 83 km away
  24. 2.43 km SW of Susitna, Alaska · 1842 days ago · 65 km deep · 35 km away
  25. 2.328 km WSW of Point MacKenzie, Alaska · 1841 days ago · 41 km deep · 58 km away
  26. 1.727 km NW of Beluga, Alaska · 1841 days ago · 64 km deep · 33 km away
  27. 1.55 km E of Point MacKenzie, Alaska · 1840 days ago · 37 km deep · 75 km away
  28. 1.516 km SE of Skwentna, Alaska · 1840 days ago · 67 km deep · 31 km away
  29. 1.517 km NE of Skwentna, Alaska · 1840 days ago · 74 km deep · 56 km away
  30. 2.52 km ESE of Tyonek, Alaska · 1840 days ago · 57 km deep · 60 km away
  31. 1.83 km NE of Skwentna, Alaska · 1840 days ago · 83 km deep · 47 km away
  32. 1.534 km NW of Nikiski, Alaska · 1840 days ago · 78 km deep · 83 km away
  33. 2.418 km S of Susitna North, Alaska · 1839 days ago · 33 km deep · 84 km away
  34. 3.43 km SE of Big Lake, Alaska · 1839 days ago · 37 km deep · 69 km away · felt by 25
  35. 2.066 km W of Tyonek, Alaska · 1838 days ago · 112 km deep · 86 km away
  36. 1.841 km WNW of Skwentna, Alaska · 1838 days ago · 104 km deep · 79 km away
  37. 1.525 km ESE of Skwentna, Alaska · 1838 days ago · 72 km deep · 32 km away
  38. 1.760 km W of Tyonek, Alaska · 1837 days ago · 92 km deep · 81 km away
  39. 1.58 km ESE of Willow, Alaska · 1837 days ago · 39 km deep · 71 km away
  40. 1.645 km WNW of Skwentna, Alaska · 1837 days ago · 110 km deep · 80 km away
  41. 1.719 km SW of Tyonek, Alaska · 1837 days ago · 117 km deep · 75 km away
  42. 2.045 km SW of Skwentna, Alaska · 1837 days ago · 110 km deep · 45 km away
  43. 1.631 km WSW of Trapper Creek, Alaska · 1837 days ago · 60 km deep · 71 km away
  44. 1.910 km S of Tyonek, Alaska · 1836 days ago · 52 km deep · 69 km away
  45. 1.542 km NW of Skwentna, Alaska · 1836 days ago · 87 km deep · 86 km away
  46. 1.925 km SSW of Petersville, Alaska · 1836 days ago · 70 km deep · 77 km away
  47. 1.627 km WSW of Petersville, Alaska · 1836 days ago · 83 km deep · 92 km away
  48. 1.826 km NNE of Skwentna, Alaska · 1835 days ago · 76 km deep · 69 km away
  49. 2.119 km SE of Skwentna, Alaska · 1835 days ago · 66 km deep · 33 km away
  50. 1.663 km W of Tyonek, Alaska · 1835 days ago · 107 km deep · 86 km away
  51. 1.716 km WSW of Tyonek, Alaska · 1835 days ago · 61 km deep · 66 km away
  52. 1.6Southern Alaska · 1835 days ago · 40 km deep · 70 km away
  53. 2.046 km W of Tyonek, Alaska · 1834 days ago · 103 km deep · 66 km away
  54. 1.517 km SE of Susitna, Alaska · 1834 days ago · 27 km deep · 53 km away
  55. 2.911 km SSE of Susitna North, Alaska · 1834 days ago · 42 km deep · 91 km away · felt by 2
  56. 1.82 km WNW of Point MacKenzie, Alaska · 1833 days ago · 41 km deep · 67 km away
  57. 3.237 km NW of Beluga, Alaska · 1833 days ago · 86 km deep · 25 km away · felt by 1
  58. 1.967 km W of Tyonek, Alaska · 1833 days ago · 118 km deep · 92 km away
  59. 2.22 km ESE of Point MacKenzie, Alaska · 1833 days ago · 40 km deep · 72 km away
  60. 1.531 km NNW of Susitna, Alaska · 1833 days ago · 57 km deep · 32 km away

The first 60 of at least 200.

Before

  1. 2.234 km WNW of Beluga, Alaska · 1847 days ago · 81 km deep · 44 km away
  2. 1.74 km NNW of Point MacKenzie, Alaska · 1848 days ago · 45 km deep · 66 km away
  3. 1.77 km SSE of Talkeetna, Alaska · 1848 days ago · 58 km deep · 95 km away
  4. 1.545 km WNW of Skwentna, Alaska · 1848 days ago · 106 km deep · 82 km away
  5. 1.771 km W of Tyonek, Alaska · 1848 days ago · 108 km deep · 90 km away
  6. 1.666 km W of Tyonek, Alaska · 1848 days ago · 105 km deep · 89 km away
  7. 1.78 km NE of Nikiski, Alaska · 1848 days ago · 83 km deep · 95 km away
  8. 1.9Southern Alaska · 1848 days ago · 41 km deep · 62 km away
  9. 1.931 km SW of Petersville, Alaska · 1849 days ago · 81 km deep · 82 km away
  10. 1.568 km W of Tyonek, Alaska · 1849 days ago · 115 km deep · 89 km away
  11. 1.81 km ESE of Big Lake, Alaska · 1849 days ago · 40 km deep · 68 km away
  12. 1.812 km SE of Beluga, Alaska · 1849 days ago · 62 km deep · 60 km away
  13. 1.925 km NNE of Skwentna, Alaska · 1849 days ago · 80 km deep · 69 km away
  14. 1.726 km SSW of Skwentna, Alaska · 1850 days ago · 94 km deep · 29 km away
  15. 1.916 km SW of Tyonek, Alaska · 1850 days ago · 67 km deep · 70 km away
  16. 1.87 km SE of Susitna North, Alaska · 1850 days ago · 48 km deep · 95 km away
  17. 1.77 km S of Big Lake, Alaska · 1850 days ago · 29 km deep · 68 km away
  18. 1.79 km NW of Point Possession, Alaska · 1850 days ago · 13 km deep · 72 km away
  19. 2.514 km SW of Petersville, Alaska · 1851 days ago · 71 km deep · 92 km away
  20. 1.715 km W of Anchorage, Alaska · 1851 days ago · 44 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021bb3u8xe. Read Thu, Sep 24, 2026, 1:40 PM UTC.