Alaska earthquakes

M1.6 earthquake 22 km NW of Susitna, Alaska

A magnitude 1.6 earthquake struck 22 km NW of Susitna, Alaska on Sat, Sep 18, 2021, 2:37 AM AKDT (10:37 UTC), 48 km (30 mi) below the surface.

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

A larger quake followed: M3.4 15 km WSW of Willow, 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
2021-09-18 10:37:33 UTC
Depth
47.7 km (29.6 mi), shallow
Epicenter
61.681° N, 150.819° 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
19

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 201 in the 60 days after this one and 138 in the 30 days before it.

After

  1. 1.911 km NNE of Meadow Lakes, Alaska · 1836 days ago · 30 km deep · 67 km away
  2. 1.98 km NNE of Susitna, Alaska · 1836 days ago · 26 km deep · 21 km away
  3. 1.527 km NW of Beluga, Alaska · 1835 days ago · 65 km deep · 51 km away
  4. 1.815 km WNW of Fishhook, Alaska · 1835 days ago · 37 km deep · 72 km away
  5. 1.761 km SSW of Skwentna, Alaska · 1834 days ago · 9 km deep · 65 km away
  6. 1.80 km ENE of Beluga, Alaska · 1833 days ago · 59 km deep · 62 km away
  7. 1.741 km WNW of Skwentna, Alaska · 1833 days ago · 106 km deep · 85 km away
  8. 1.64 km SSW of Trapper Creek, Alaska · 1833 days ago · 10 km deep · 73 km away
  9. 2.66 km NW of Point MacKenzie, Alaska · 1833 days ago · 14 km deep · 50 km away
  10. 2.00 km SSE of Elmendorf Air Force Base, Alaska · 1833 days ago · 28 km deep · 79 km away
  11. 1.70 km NNE of Elmendorf Air Force Base, Alaska · 1833 days ago · 29 km deep · 79 km away
  12. 1.516 km SW of Susitna, Alaska · 1833 days ago · 48 km deep · 26 km away
  13. 1.57 km E of Talkeetna, Alaska · 1832 days ago · 12 km deep · 84 km away
  14. 1.57 km NW of Skwentna, Alaska · 1832 days ago · 82 km deep · 53 km away
  15. 1.930 km NW of Susitna, Alaska · 1832 days ago · 62 km deep · 8 km away
  16. 2.27 km SSE of Elmendorf Air Force Base, Alaska · 1832 days ago · 31 km deep · 86 km away · felt by 1
  17. 1.638 km SSW of Skwentna, Alaska · 1832 days ago · 82 km deep · 47 km away
  18. 1.526 km NW of Beluga, Alaska · 1832 days ago · 71 km deep · 53 km away
  19. 2.142 km WNW of Tyonek, Alaska · 1832 days ago · 98 km deep · 82 km away
  20. 1.75 km NNE of Susitna, Alaska · 1831 days ago · 54 km deep · 20 km away
  21. 2.27 km SSW of Point MacKenzie, Alaska · 1831 days ago · 27 km deep · 60 km away · felt by 1
  22. 1.656 km NW of Beluga, Alaska · 1831 days ago · 89 km deep · 60 km away
  23. 1.612 km N of Fishhook, Alaska · 1831 days ago · 9 km deep · 86 km away
  24. 1.86 km SSW of Willow, Alaska · 1830 days ago · 40 km deep · 39 km away
  25. 1.59 km SW of Big Lake, Alaska · 1830 days ago · 40 km deep · 46 km away
  26. 1.89 km SW of Point MacKenzie, Alaska · 1830 days ago · 48 km deep · 58 km away
  27. 1.511 km S of Willow, Alaska · 1830 days ago · 42 km deep · 41 km away
  28. 2.010 km SW of Trapper Creek, Alaska · 1830 days ago · 58 km deep · 68 km away
  29. 1.89 km NNW of Big Lake, Alaska · 1830 days ago · 44 km deep · 42 km away
  30. 1.733 km SW of Petersville, Alaska · 1830 days ago · 86 km deep · 75 km away
  31. 1.812 km SW of Point MacKenzie, Alaska · 1830 days ago · 3 km deep · 59 km away
  32. 1.729 km NNW of Susitna, Alaska · 1829 days ago · 61 km deep · 11 km away
  33. 3.21 km NNE of Point MacKenzie, Alaska · 1829 days ago · 43 km deep · 57 km away · felt by 18
  34. 1.931 km WNW of Susitna, Alaska · 1829 days ago · 71 km deep · 17 km away
  35. 2.42 km WSW of Point MacKenzie, Alaska · 1829 days ago · 37 km deep · 56 km away · felt by 1
  36. 2.130 km SSW of Skwentna, Alaska · 1829 days ago · 71 km deep · 42 km away
  37. 1.642 km SW of Skwentna, Alaska · 1829 days ago · 103 km deep · 62 km away
  38. 2.322 km ESE of Susitna North, Alaska · 1829 days ago · 20 km deep · 87 km away
  39. 2.76 km WSW of Meadow Lakes, Alaska · 1829 days ago · 19 km deep · 60 km away · felt by 3
  40. 2.23 km S of Petersville, Alaska · 1828 days ago · 54 km deep · 87 km away
  41. 1.617 km ENE of Willow, Alaska · 1828 days ago · 39 km deep · 59 km away
  42. 1.514 km W of Point Possession, Alaska · 1827 days ago · 20 km deep · 83 km away
  43. 1.529 km N of Beluga, Alaska · 1827 days ago · 15 km deep · 36 km away
  44. 1.626 km NW of Willow, Alaska · 1827 days ago · 59 km deep · 33 km away
  45. 1.641 km WNW of Skwentna, Alaska · 1827 days ago · 105 km deep · 86 km away
  46. 1.522 km N of Beluga, Alaska · 1826 days ago · 59 km deep · 40 km away
  47. 2.928 km SSW of Skwentna, Alaska · 1826 days ago · 92 km deep · 46 km away
  48. 1.812 km WSW of Big Lake, Alaska · 1826 days ago · 43 km deep · 41 km away
  49. 2.15 km WNW of Fishhook, Alaska · 1826 days ago · 20 km deep · 79 km away
  50. 1.840 km WNW of Skwentna, Alaska · 1826 days ago · 104 km deep · 84 km away · felt by 1
  51. 1.824 km WNW of Susitna, Alaska · 1826 days ago · 62 km deep · 5 km away
  52. 1.653 km WNW of Skwentna, Alaska · 1826 days ago · 124 km deep · 98 km away
  53. 1.927 km NW of Susitna, Alaska · 1826 days ago · 47 km deep · 7 km away
  54. 1.611 km NE of Willow, Alaska · 1826 days ago · 22 km deep · 51 km away
  55. 1.638 km S of Skwentna, Alaska · 1825 days ago · 80 km deep · 26 km away
  56. 3.026 km WSW of Trapper Creek, Alaska · 1825 days ago · 0 km deep · 59 km away · felt by 2
  57. 1.542 km SW of Skwentna, Alaska · 1825 days ago · 102 km deep · 60 km away
  58. 1.539 km SW of Skwentna, Alaska · 1825 days ago · 115 km deep · 63 km away
  59. 1.515 km S of Susitna North, Alaska · 1824 days ago · 35 km deep · 62 km away
  60. 1.618 km WNW of Petersville, Alaska · 1824 days ago · 88 km deep · 99 km away

The first 60 of at least 201.

Before

  1. 1.520 km ESE of Chase, Alaska · 1836 days ago · 14 km deep · 99 km away
  2. 1.66 km NW of Susitna, Alaska · 1836 days ago · 31 km deep · 16 km away
  3. 1.930 km WSW of Point MacKenzie, Alaska · 1836 days ago · 36 km deep · 54 km away
  4. 1.672 km WNW of Tyonek, Alaska · 1836 days ago · 119 km deep · 94 km away
  5. 1.531 km NNW of Susitna, Alaska · 1837 days ago · 57 km deep · 14 km away
  6. 2.22 km ESE of Point MacKenzie, Alaska · 1837 days ago · 40 km deep · 59 km away
  7. 3.237 km NW of Beluga, Alaska · 1837 days ago · 86 km deep · 46 km away · felt by 1
  8. 1.82 km WNW of Point MacKenzie, Alaska · 1837 days ago · 41 km deep · 55 km away
  9. 1.514 km ESE of Susitna North, Alaska · 1837 days ago · 65 km deep · 80 km away
  10. 2.911 km SSE of Susitna North, Alaska · 1837 days ago · 42 km deep · 69 km away · felt by 2
  11. 1.517 km SE of Susitna, Alaska · 1838 days ago · 27 km deep · 39 km away
  12. 1.925 km W of Petersville, Alaska · 1838 days ago · 89 km deep · 97 km away
  13. 2.046 km W of Tyonek, Alaska · 1838 days ago · 103 km deep · 87 km away
  14. 1.6Southern Alaska · 1839 days ago · 40 km deep · 48 km away
  15. 1.716 km WSW of Tyonek, Alaska · 1839 days ago · 61 km deep · 81 km away
  16. 2.119 km SE of Skwentna, Alaska · 1839 days ago · 66 km deep · 28 km away
  17. 1.826 km NNE of Skwentna, Alaska · 1839 days ago · 76 km deep · 63 km away
  18. 1.627 km WSW of Petersville, Alaska · 1839 days ago · 83 km deep · 86 km away
  19. 1.925 km SSW of Petersville, Alaska · 1840 days ago · 70 km deep · 66 km away
  20. 1.542 km NW of Skwentna, Alaska · 1840 days ago · 87 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021bztfwza. Read Mon, Sep 28, 2026, 5:44 AM UTC.