Alaska earthquakes

M1.6 earthquake 38 km S of Skwentna, Alaska

A magnitude 1.6 earthquake struck 38 km S of Skwentna, Alaska on Tue, Sep 28, 2021, 12:07 PM AKDT (20:07 UTC), 80 km (49 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-09-28 20:07:42 UTC
Depth
79.5 km (49.4 mi), intermediate-depth
Epicenter
61.651° N, 151.317° 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
17

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 202 in the 60 days after this one and 142 in the 30 days before it.

After

  1. 3.026 km WSW of Trapper Creek, Alaska · 1830 days ago · 0 km deep · 70 km away · felt by 2
  2. 1.542 km SW of Skwentna, Alaska · 1830 days ago · 102 km deep · 35 km away
  3. 1.539 km SW of Skwentna, Alaska · 1830 days ago · 115 km deep · 38 km away
  4. 1.665 km W of Tyonek, Alaska · 1829 days ago · 111 km deep · 88 km away
  5. 1.515 km S of Susitna North, Alaska · 1829 days ago · 35 km deep · 86 km away
  6. 2.17 km NNE of Big Lake, Alaska · 1829 days ago · 33 km deep · 76 km away · felt by 1
  7. 1.847 km S of Skwentna, Alaska · 1828 days ago · 70 km deep · 13 km away
  8. 1.559 km SSW of Skwentna, Alaska · 1828 days ago · 8 km deep · 39 km away
  9. 1.61 km SSE of Big Lake, Alaska · 1828 days ago · 35 km deep · 75 km away
  10. 2.019 km S of Susitna North, Alaska · 1828 days ago · 40 km deep · 87 km away
  11. 2.117 km NW of Skwentna, Alaska · 1828 days ago · 96 km deep · 54 km away
  12. 1.623 km NNW of Beluga, Alaska · 1827 days ago · 75 km deep · 35 km away
  13. 1.736 km S of Skwentna, Alaska · 1827 days ago · 80 km deep · 2 km away
  14. 1.825 km WSW of Point MacKenzie, Alaska · 1827 days ago · 45 km deep · 61 km away
  15. 1.619 km ENE of Nikiski, Alaska · 1827 days ago · 25 km deep · 99 km away
  16. 1.924 km ESE of Skwentna, Alaska · 1827 days ago · 64 km deep · 31 km away
  17. 1.547 km WNW of Skwentna, Alaska · 1827 days ago · 107 km deep · 77 km away
  18. 1.650 km WNW of Tyonek, Alaska · 1827 days ago · 93 km deep · 61 km away
  19. 2.665 km WNW of Beluga, Alaska · 1827 days ago · 136 km deep · 58 km away
  20. 1.545 km WSW of Tyonek, Alaska · 1827 days ago · 78 km deep · 84 km away
  21. 1.611 km NW of Beluga, Alaska · 1827 days ago · 68 km deep · 49 km away
  22. 2.013 km ESE of Susitna, Alaska · 1827 days ago · 51 km deep · 58 km away · felt by 1
  23. 1.710 km WNW of Tyonek, Alaska · 1826 days ago · 85 km deep · 60 km away
  24. 1.854 km SW of Skwentna, Alaska · 1826 days ago · 116 km deep · 43 km away
  25. 1.512 km NNW of Beluga, Alaska · 1826 days ago · 64 km deep · 46 km away
  26. 1.514 km SE of Susitna North, Alaska · 1826 days ago · 29 km deep · 98 km away
  27. 1.69 km SSW of Elmendorf Air Force Base, Alaska · 1824 days ago · 35 km deep · 99 km away
  28. 1.511 km W of Susitna North, Alaska · 1824 days ago · 4 km deep · 88 km away
  29. 1.55 km NNW of Meadow Lakes, Alaska · 1824 days ago · 51 km deep · 88 km away
  30. 2.135 km S of Skwentna, Alaska · 1824 days ago · 79 km deep · 10 km away
  31. 1.622 km NW of Willow, Alaska · 1823 days ago · 46 km deep · 55 km away
  32. 1.625 km SW of Petersville, Alaska · 1823 days ago · 78 km deep · 78 km away
  33. 1.6Kenai Peninsula, Alaska · 1822 days ago · 77 km deep · 75 km away
  34. 1.857 km WNW of Skwentna, Alaska · 1822 days ago · 121 km deep · 85 km away
  35. 2.0Southern Alaska · 1822 days ago · 120 km deep · 53 km away
  36. 1.59 km NNE of Willow, Alaska · 1821 days ago · 24 km deep · 72 km away
  37. 1.515 km ESE of Tyonek, Alaska · 1821 days ago · 10 km deep · 73 km away
  38. 2.323 km WNW of Susitna, Alaska · 1821 days ago · 62 km deep · 21 km away
  39. 1.511 km N of Point Possession, Alaska · 1821 days ago · 57 km deep · 77 km away
  40. 1.824 km SW of Trapper Creek, Alaska · 1821 days ago · 11 km deep · 69 km away
  41. 2.35 km W of Houston, Alaska · 1821 days ago · 52 km deep · 74 km away
  42. 1.633 km SSW of Skwentna, Alaska · 1821 days ago · 90 km deep · 23 km away
  43. 1.727 km SW of Skwentna, Alaska · 1821 days ago · 99 km deep · 29 km away
  44. 2.27 km SE of Point Possession, Alaska · 1820 days ago · 36 km deep · 94 km away
  45. 1.873 km W of Tyonek, Alaska · 1820 days ago · 124 km deep · 87 km away
  46. 1.550 km NW of Skwentna, Alaska · 1820 days ago · 105 km deep · 82 km away
  47. 2.74 km ENE of Big Lake, Alaska · 1820 days ago · 34 km deep · 77 km away · felt by 1
  48. 1.564 km W of Tyonek, Alaska · 1820 days ago · 1 km deep · 80 km away
  49. 1.8Southern Alaska · 1820 days ago · 3 km deep · 80 km away
  50. 1.563 km NW of Beluga, Alaska · 1819 days ago · 103 km deep · 43 km away
  51. 1.511 km SW of Tyonek, Alaska · 1819 days ago · 66 km deep · 73 km away
  52. 1.643 km WNW of Skwentna, Alaska · 1818 days ago · 104 km deep · 71 km away
  53. 1.529 km NNW of Susitna, Alaska · 1818 days ago · 53 km deep · 39 km away
  54. 2.42 km ESE of Big Lake, Alaska · 1818 days ago · 48 km deep · 76 km away
  55. 2.065 km W of Tyonek, Alaska · 1818 days ago · 120 km deep · 81 km away
  56. 1.521 km W of Petersville, Alaska · 1817 days ago · 85 km deep · 91 km away
  57. 2.26 km NNE of Willow, Alaska · 1817 days ago · 46 km deep · 72 km away
  58. 1.665 km WNW of Beluga, Alaska · 1817 days ago · 6 km deep · 63 km away
  59. 1.646 km SW of Skwentna, Alaska · 1817 days ago · 112 km deep · 38 km away
  60. 1.629 km NW of Nikiski, Alaska · 1817 days ago · 77 km deep · 90 km away

The first 60 of at least 202.

Before

  1. 1.611 km NE of Willow, Alaska · 1831 days ago · 22 km deep · 78 km away
  2. 1.927 km NW of Susitna, Alaska · 1831 days ago · 47 km deep · 28 km away
  3. 1.653 km WNW of Skwentna, Alaska · 1831 days ago · 124 km deep · 81 km away
  4. 1.824 km WNW of Susitna, Alaska · 1831 days ago · 62 km deep · 22 km away
  5. 1.840 km WNW of Skwentna, Alaska · 1831 days ago · 104 km deep · 68 km away · felt by 1
  6. 1.812 km WSW of Big Lake, Alaska · 1831 days ago · 43 km deep · 64 km away
  7. 2.928 km SSW of Skwentna, Alaska · 1831 days ago · 92 km deep · 22 km away
  8. 1.522 km N of Beluga, Alaska · 1831 days ago · 59 km deep · 38 km away
  9. 1.641 km WNW of Skwentna, Alaska · 1832 days ago · 105 km deep · 70 km away
  10. 1.626 km NW of Willow, Alaska · 1832 days ago · 59 km deep · 56 km away
  11. 1.529 km N of Beluga, Alaska · 1832 days ago · 15 km deep · 29 km away
  12. 1.514 km W of Point Possession, Alaska · 1832 days ago · 20 km deep · 82 km away
  13. 1.617 km ENE of Willow, Alaska · 1833 days ago · 39 km deep · 86 km away
  14. 2.23 km S of Petersville, Alaska · 1833 days ago · 54 km deep · 94 km away
  15. 2.76 km WSW of Meadow Lakes, Alaska · 1834 days ago · 19 km deep · 86 km away · felt by 3
  16. 1.642 km SW of Skwentna, Alaska · 1834 days ago · 103 km deep · 36 km away
  17. 2.130 km SSW of Skwentna, Alaska · 1834 days ago · 71 km deep · 18 km away
  18. 2.42 km WSW of Point MacKenzie, Alaska · 1834 days ago · 37 km deep · 77 km away · felt by 1
  19. 1.931 km WNW of Susitna, Alaska · 1834 days ago · 71 km deep · 13 km away
  20. 3.21 km NNE of Point MacKenzie, Alaska · 1834 days ago · 43 km deep · 78 km away · felt by 18

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021cgilb8e. Read Sat, Oct 3, 2026, 6:24 AM UTC.