Alaska earthquakes

M1.7 earthquake 10 km WNW of Tyonek, Alaska

A magnitude 1.7 earthquake struck 10 km WNW of Tyonek, Alaska on Sat, Oct 2, 2021, 1:44 PM AKDT (21:44 UTC), 85 km (53 mi) below the surface.

A larger quake followed: M3.4 15 km WSW of Willow, 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
1.7 (ml), micro
Local time
UTC
2021-10-02 21:44:41 UTC
Depth
84.8 km (52.7 mi), intermediate-depth
Epicenter
61.112° N, 151.299° 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
59

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 130 in the 30 days before it.

After

  1. 1.854 km SW of Skwentna, Alaska · 1820 days ago · 116 km deep · 74 km away
  2. 1.512 km NNW of Beluga, Alaska · 1820 days ago · 64 km deep · 16 km away
  3. 1.813 km W of Cooper Landing, Alaska · 1820 days ago · 37 km deep · 97 km away
  4. 1.756 km W of Nikiski, Alaska · 1820 days ago · 91 km deep · 65 km away
  5. 2.144 km WNW of Clam Gulch, Alaska · 1819 days ago · 77 km deep · 90 km away
  6. 1.56 km SW of Kasilof, Alaska · 1819 days ago · 56 km deep · 91 km away
  7. 2.79 km SSW of Elmendorf Air Force Base, Alaska · 1819 days ago · 39 km deep · 87 km away · felt by 30
  8. 1.516 km W of Salamatof, Alaska · 1818 days ago · 72 km deep · 60 km away
  9. 1.69 km SSW of Elmendorf Air Force Base, Alaska · 1818 days ago · 35 km deep · 85 km away
  10. 2.135 km S of Skwentna, Alaska · 1818 days ago · 79 km deep · 63 km away
  11. 1.873 km W of Nikiski, Alaska · 1817 days ago · 121 km deep · 78 km away
  12. 1.622 km NW of Willow, Alaska · 1816 days ago · 46 km deep · 97 km away
  13. 1.517 km WNW of Cooper Landing, Alaska · 1816 days ago · 39 km deep · 90 km away
  14. 1.6Kenai Peninsula, Alaska · 1816 days ago · 77 km deep · 22 km away
  15. 1.734 km WNW of Clam Gulch, Alaska · 1816 days ago · 72 km deep · 93 km away
  16. 1.726 km W of Salamatof, Alaska · 1816 days ago · 76 km deep · 59 km away
  17. 2.0Southern Alaska · 1815 days ago · 120 km deep · 65 km away
  18. 1.515 km ESE of Tyonek, Alaska · 1815 days ago · 10 km deep · 25 km away
  19. 2.323 km WNW of Susitna, Alaska · 1815 days ago · 62 km deep · 56 km away
  20. 1.511 km N of Point Possession, Alaska · 1815 days ago · 57 km deep · 32 km away
  21. 2.35 km W of Houston, Alaska · 1815 days ago · 52 km deep · 93 km away
  22. 1.633 km SSW of Skwentna, Alaska · 1815 days ago · 90 km deep · 72 km away
  23. 1.727 km SW of Skwentna, Alaska · 1815 days ago · 99 km deep · 81 km away
  24. 1.670 km WNW of Nikiski, Alaska · 1814 days ago · 108 km deep · 72 km away
  25. 2.27 km SE of Point Possession, Alaska · 1814 days ago · 36 km deep · 46 km away
  26. 1.873 km W of Tyonek, Alaska · 1814 days ago · 124 km deep · 65 km away
  27. 2.74 km ENE of Big Lake, Alaska · 1813 days ago · 34 km deep · 89 km away · felt by 1
  28. 1.564 km W of Tyonek, Alaska · 1813 days ago · 1 km deep · 55 km away
  29. 1.8Southern Alaska · 1813 days ago · 3 km deep · 54 km away
  30. 2.042 km W of Nikiski, Alaska · 1813 days ago · 82 km deep · 58 km away
  31. 1.563 km NW of Beluga, Alaska · 1813 days ago · 103 km deep · 56 km away
  32. 2.73 km W of Hope, Alaska · 1813 days ago · 29 km deep · 88 km away · felt by 6
  33. 2.019 km ESE of Funny River, Alaska · 1813 days ago · 41 km deep · 87 km away
  34. 1.511 km SW of Tyonek, Alaska · 1813 days ago · 66 km deep · 13 km away
  35. 1.529 km NNW of Susitna, Alaska · 1812 days ago · 53 km deep · 84 km away
  36. 2.42 km ESE of Big Lake, Alaska · 1812 days ago · 48 km deep · 86 km away
  37. 2.065 km W of Tyonek, Alaska · 1811 days ago · 120 km deep · 56 km away
  38. 1.615 km WNW of Salamatof, Alaska · 1811 days ago · 70 km deep · 53 km away
  39. 2.01 km N of Funny River, Alaska · 1811 days ago · 52 km deep · 72 km away
  40. 1.665 km WNW of Beluga, Alaska · 1811 days ago · 6 km deep · 56 km away
  41. 1.531 km NW of Cooper Landing, Alaska · 1811 days ago · 57 km deep · 75 km away
  42. 1.646 km SW of Skwentna, Alaska · 1811 days ago · 112 km deep · 76 km away
  43. 1.629 km NW of Nikiski, Alaska · 1811 days ago · 77 km deep · 35 km away
  44. 1.623 km W of Tyonek, Alaska · 1811 days ago · 75 km deep · 15 km away
  45. 1.67 km WNW of Cohoe, Alaska · 1810 days ago · 64 km deep · 81 km away
  46. 1.714 km E of Point Possession, Alaska · 1810 days ago · 42 km deep · 51 km away
  47. 1.541 km WNW of Tyonek, Alaska · 1810 days ago · 92 km deep · 32 km away
  48. 1.57 km WNW of Point Possession, Alaska · 1810 days ago · 15 km deep · 32 km away
  49. 1.867 km W of Tyonek, Alaska · 1810 days ago · 111 km deep · 60 km away
  50. 1.615 km SSW of Susitna, Alaska · 1810 days ago · 46 km deep · 49 km away
  51. 1.6Kenai Peninsula, Alaska · 1809 days ago · 27 km deep · 92 km away
  52. 1.530 km WNW of Susitna, Alaska · 1809 days ago · 66 km deep · 65 km away
  53. 1.740 km W of Kalifornsky, Alaska · 1809 days ago · 85 km deep · 82 km away
  54. 1.827 km SSW of Skwentna, Alaska · 1809 days ago · 95 km deep · 72 km away
  55. 1.56 km NNE of Hope, Alaska · 1809 days ago · 33 km deep · 93 km away
  56. 1.530 km NNW of Susitna, Alaska · 1809 days ago · 54 km deep · 85 km away
  57. 1.540 km NW of Nikiski, Alaska · 1809 days ago · 78 km deep · 40 km away
  58. 1.665 km WNW of Nikiski, Alaska · 1809 days ago · 116 km deep · 67 km away
  59. 1.56 km ESE of Willow, Alaska · 1809 days ago · 36 km deep · 99 km away
  60. 1.56 km SSW of Point Possession, Alaska · 1808 days ago · 40 km deep · 41 km away

The first 60 of at least 202.

Before

  1. 2.013 km ESE of Susitna, Alaska · 1821 days ago · 51 km deep · 68 km away · felt by 1
  2. 1.611 km NW of Beluga, Alaska · 1821 days ago · 68 km deep · 12 km away
  3. 1.545 km WSW of Tyonek, Alaska · 1821 days ago · 78 km deep · 39 km away
  4. 2.665 km WNW of Beluga, Alaska · 1821 days ago · 136 km deep · 57 km away
  5. 1.650 km WNW of Tyonek, Alaska · 1821 days ago · 93 km deep · 41 km away
  6. 1.924 km ESE of Skwentna, Alaska · 1821 days ago · 64 km deep · 88 km away
  7. 1.619 km ENE of Nikiski, Alaska · 1821 days ago · 25 km deep · 42 km away
  8. 1.825 km WSW of Point MacKenzie, Alaska · 1821 days ago · 45 km deep · 51 km away
  9. 1.736 km S of Skwentna, Alaska · 1821 days ago · 80 km deep · 61 km away
  10. 1.623 km NNW of Beluga, Alaska · 1821 days ago · 75 km deep · 26 km away
  11. 1.721 km WNW of Clam Gulch, Alaska · 1822 days ago · 67 km deep · 91 km away
  12. 1.61 km SSE of Big Lake, Alaska · 1822 days ago · 35 km deep · 85 km away
  13. 1.559 km SSW of Skwentna, Alaska · 1822 days ago · 8 km deep · 62 km away
  14. 1.847 km S of Skwentna, Alaska · 1822 days ago · 70 km deep · 51 km away
  15. 2.17 km NNE of Big Lake, Alaska · 1822 days ago · 33 km deep · 91 km away · felt by 1
  16. 2.067 km W of Nikiski, Alaska · 1822 days ago · 140 km deep · 75 km away
  17. 2.06 km E of Hope, Alaska · 1823 days ago · 30 km deep · 98 km away
  18. 1.544 km W of Kalifornsky, Alaska · 1823 days ago · 86 km deep · 83 km away
  19. 1.665 km W of Tyonek, Alaska · 1823 days ago · 111 km deep · 57 km away
  20. 1.539 km SW of Skwentna, Alaska · 1824 days ago · 115 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021cn5k25t. Read Sun, Sep 27, 2026, 12:28 AM UTC.