Alaska earthquakes

M1.6 earthquake 28 km NW of Susitna, Alaska

A magnitude 1.6 earthquake struck 28 km NW of Susitna, Alaska on Mon, Sep 6, 2021, 1:35 AM AKDT (09:35 UTC), 65 km (41 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
2021-09-06 09:35:31 UTC
Depth
65.2 km (40.5 mi), shallow
Epicenter
61.688° N, 150.952° 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
56

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 144 in the 30 days before it.

After

  1. 2.527 km SSE of Susitna North, Alaska · 1844 days ago · 12 km deep · 73 km away
  2. 1.69 km ENE of Willow, Alaska · 1844 days ago · 35 km deep · 58 km away
  3. 1.921 km W of Susitna, Alaska · 1843 days ago · 62 km deep · 13 km away
  4. 1.622 km N of Fishhook, Alaska · 1843 days ago · 3 km deep · 96 km away
  5. 2.212 km N of Houston, Alaska · 1843 days ago · 25 km deep · 62 km away
  6. 3.014 km ESE of Susitna, Alaska · 1843 days ago · 62 km deep · 43 km away · felt by 4
  7. 2.316 km NNW of Willow, Alaska · 1842 days ago · 40 km deep · 45 km away
  8. 1.926 km WSW of Anchorage, Alaska · 1842 days ago · 43 km deep · 70 km away
  9. 1.850 km WNW of Skwentna, Alaska · 1842 days ago · 120 km deep · 87 km away
  10. 1.723 km NW of Nikiski, Alaska · 1842 days ago · 78 km deep · 96 km away
  11. 2.43 km SW of Susitna, Alaska · 1842 days ago · 65 km deep · 28 km away
  12. 2.328 km WSW of Point MacKenzie, Alaska · 1841 days ago · 41 km deep · 58 km away
  13. 1.727 km NW of Beluga, Alaska · 1841 days ago · 64 km deep · 48 km away
  14. 1.55 km E of Point MacKenzie, Alaska · 1840 days ago · 37 km deep · 68 km away
  15. 1.516 km SE of Skwentna, Alaska · 1840 days ago · 67 km deep · 25 km away
  16. 1.517 km NE of Skwentna, Alaska · 1840 days ago · 74 km deep · 47 km away
  17. 2.52 km ESE of Tyonek, Alaska · 1840 days ago · 57 km deep · 70 km away
  18. 1.83 km NE of Skwentna, Alaska · 1840 days ago · 83 km deep · 42 km away
  19. 1.534 km NW of Nikiski, Alaska · 1840 days ago · 78 km deep · 97 km away
  20. 2.418 km S of Susitna North, Alaska · 1839 days ago · 33 km deep · 67 km away
  21. 3.43 km SE of Big Lake, Alaska · 1839 days ago · 37 km deep · 59 km away · felt by 25
  22. 2.520 km WNW of Petersville, Alaska · 1838 days ago · 86 km deep · 95 km away
  23. 1.841 km WNW of Skwentna, Alaska · 1838 days ago · 104 km deep · 80 km away
  24. 1.525 km ESE of Skwentna, Alaska · 1838 days ago · 72 km deep · 20 km away
  25. 1.760 km W of Tyonek, Alaska · 1837 days ago · 92 km deep · 97 km away
  26. 1.58 km ESE of Willow, Alaska · 1837 days ago · 39 km deep · 57 km away
  27. 1.645 km WNW of Skwentna, Alaska · 1837 days ago · 110 km deep · 83 km away
  28. 1.628 km W of Petersville, Alaska · 1837 days ago · 81 km deep · 93 km away
  29. 1.719 km SW of Tyonek, Alaska · 1837 days ago · 117 km deep · 87 km away
  30. 2.045 km SW of Skwentna, Alaska · 1837 days ago · 110 km deep · 57 km away
  31. 1.631 km WSW of Trapper Creek, Alaska · 1836 days ago · 60 km deep · 58 km away
  32. 1.910 km S of Tyonek, Alaska · 1836 days ago · 52 km deep · 80 km away
  33. 1.525 km SE of Susitna North, Alaska · 1836 days ago · 32 km deep · 85 km away
  34. 1.542 km NW of Skwentna, Alaska · 1836 days ago · 87 km deep · 84 km away
  35. 1.925 km SSW of Petersville, Alaska · 1836 days ago · 70 km deep · 66 km away
  36. 1.627 km WSW of Petersville, Alaska · 1836 days ago · 83 km deep · 83 km away
  37. 1.826 km NNE of Skwentna, Alaska · 1835 days ago · 76 km deep · 60 km away
  38. 2.119 km SE of Skwentna, Alaska · 1835 days ago · 66 km deep · 24 km away
  39. 1.716 km WSW of Tyonek, Alaska · 1835 days ago · 61 km deep · 79 km away
  40. 1.6Southern Alaska · 1835 days ago · 40 km deep · 54 km away
  41. 2.046 km W of Tyonek, Alaska · 1834 days ago · 103 km deep · 82 km away
  42. 1.925 km W of Petersville, Alaska · 1834 days ago · 89 km deep · 95 km away
  43. 1.517 km SE of Susitna, Alaska · 1834 days ago · 27 km deep · 45 km away
  44. 2.911 km SSE of Susitna North, Alaska · 1834 days ago · 42 km deep · 74 km away · felt by 2
  45. 1.514 km ESE of Susitna North, Alaska · 1834 days ago · 65 km deep · 85 km away
  46. 1.82 km WNW of Point MacKenzie, Alaska · 1833 days ago · 41 km deep · 61 km away
  47. 3.237 km NW of Beluga, Alaska · 1833 days ago · 86 km deep · 42 km away · felt by 1
  48. 2.22 km ESE of Point MacKenzie, Alaska · 1833 days ago · 40 km deep · 65 km away
  49. 1.531 km NNW of Susitna, Alaska · 1833 days ago · 57 km deep · 16 km away
  50. 1.672 km WNW of Tyonek, Alaska · 1833 days ago · 119 km deep · 89 km away
  51. 1.930 km WSW of Point MacKenzie, Alaska · 1832 days ago · 36 km deep · 58 km away
  52. 1.66 km NW of Susitna, Alaska · 1832 days ago · 31 km deep · 22 km away
  53. 1.622 km NW of Susitna, Alaska · 1832 days ago · 48 km deep · 7 km away
  54. 1.911 km NNE of Meadow Lakes, Alaska · 1832 days ago · 30 km deep · 74 km away
  55. 1.98 km NNE of Susitna, Alaska · 1832 days ago · 26 km deep · 28 km away
  56. 1.527 km NW of Beluga, Alaska · 1831 days ago · 65 km deep · 48 km away
  57. 1.815 km WNW of Fishhook, Alaska · 1831 days ago · 37 km deep · 79 km away
  58. 1.761 km SSW of Skwentna, Alaska · 1830 days ago · 9 km deep · 58 km away
  59. 1.80 km ENE of Beluga, Alaska · 1829 days ago · 59 km deep · 61 km away
  60. 1.741 km WNW of Skwentna, Alaska · 1829 days ago · 106 km deep · 79 km away

The first 60 of at least 200.

Before

  1. 2.521 km W of Tyonek, Alaska · 1844 days ago · 75 km deep · 73 km away
  2. 2.313 km WSW of Point MacKenzie, Alaska · 1844 days ago · 48 km deep · 59 km away
  3. 2.026 km N of Fishhook, Alaska · 1845 days ago · 40 km deep · 95 km away
  4. 1.99 km N of Meadow Lakes, Alaska · 1845 days ago · 38 km deep · 70 km away · felt by 1
  5. 2.034 km W of Petersville, Alaska · 1845 days ago · 94 km deep · 93 km away
  6. 1.557 km WNW of Skwentna, Alaska · 1845 days ago · 2 km deep · 92 km away
  7. 2.511 km SW of Trapper Creek, Alaska · 1845 days ago · 59 km deep · 69 km away
  8. 3.15 km N of Big Lake, Alaska · 1845 days ago · 40 km deep · 55 km away · felt by 12
  9. 1.53 km NNW of Beluga, Alaska · 1846 days ago · 61 km deep · 58 km away
  10. 1.510 km NW of Point Possession, Alaska · 1846 days ago · 54 km deep · 77 km away
  11. 1.726 km SSW of Susitna, Alaska · 1846 days ago · 60 km deep · 45 km away
  12. 1.647 km W of Tyonek, Alaska · 1846 days ago · 88 km deep · 92 km away
  13. 1.97 km SE of Houston, Alaska · 1846 days ago · 29 km deep · 66 km away
  14. 2.56 km N of Big Lake, Alaska · 1847 days ago · 37 km deep · 53 km away
  15. 2.515 km N of Beluga, Alaska · 1847 days ago · 70 km deep · 47 km away · felt by 1
  16. 1.636 km W of Susitna, Alaska · 1847 days ago · 70 km deep · 17 km away
  17. 2.234 km WNW of Beluga, Alaska · 1847 days ago · 81 km deep · 60 km away
  18. 1.74 km NNW of Point MacKenzie, Alaska · 1848 days ago · 45 km deep · 59 km away
  19. 1.77 km SSE of Talkeetna, Alaska · 1848 days ago · 58 km deep · 79 km away
  20. 1.545 km WNW of Skwentna, Alaska · 1848 days ago · 106 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021bfydvvu. Read Thu, Sep 24, 2026, 12:52 PM UTC.