Alaska earthquakes

M1.7 earthquake 16 km WSW of Tyonek, Alaska

A magnitude 1.7 earthquake struck 16 km WSW of Tyonek, Alaska on Wed, Sep 15, 2021, 7:34 AM AKDT (15:34 UTC), 61 km (38 mi) below the surface.

A larger quake followed: M4.7 12 km SSW of Clam Gulch, 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
2021-09-15 15:34:16 UTC
Depth
60.9 km (37.8 mi), shallow
Epicenter
61.011° N, 151.423° 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
52

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 146 in the 30 days before it.

After

  1. 1.681 km W of Salamatof, Alaska · 1835 days ago · 115 km deep · 92 km away
  2. 2.046 km W of Tyonek, Alaska · 1834 days ago · 103 km deep · 33 km away
  3. 1.520 km E of Kasilof, Alaska · 1834 days ago · 44 km deep · 83 km away
  4. 1.517 km SE of Susitna, Alaska · 1834 days ago · 27 km deep · 79 km away
  5. 1.819 km ENE of Sterling, Alaska · 1834 days ago · 19 km deep · 72 km away · felt by 1
  6. 1.82 km WNW of Point MacKenzie, Alaska · 1834 days ago · 41 km deep · 85 km away
  7. 1.855 km WNW of Nikiski, Alaska · 1833 days ago · 90 km deep · 50 km away
  8. 1.525 km WSW of Cooper Landing, Alaska · 1833 days ago · 42 km deep · 90 km away
  9. 3.237 km NW of Beluga, Alaska · 1833 days ago · 86 km deep · 45 km away · felt by 1
  10. 1.967 km W of Tyonek, Alaska · 1833 days ago · 118 km deep · 52 km away
  11. 1.627 km S of Funny River, Alaska · 1833 days ago · 48 km deep · 91 km away
  12. 2.22 km ESE of Point MacKenzie, Alaska · 1833 days ago · 40 km deep · 88 km away
  13. 1.531 km NNW of Susitna, Alaska · 1833 days ago · 57 km deep · 94 km away
  14. 1.513 km SSE of Funny River, Alaska · 1833 days ago · 45 km deep · 80 km away
  15. 1.512 km NNE of Ninilchik, Alaska · 1833 days ago · 56 km deep · 97 km away
  16. 1.672 km WNW of Tyonek, Alaska · 1833 days ago · 119 km deep · 61 km away
  17. 1.930 km WSW of Point MacKenzie, Alaska · 1832 days ago · 36 km deep · 56 km away
  18. 1.66 km NW of Susitna, Alaska · 1832 days ago · 31 km deep · 78 km away
  19. 1.622 km NW of Susitna, Alaska · 1832 days ago · 48 km deep · 81 km away
  20. 1.98 km NNE of Susitna, Alaska · 1832 days ago · 26 km deep · 85 km away
  21. 1.619 km NNW of Sterling, Alaska · 1832 days ago · 52 km deep · 46 km away
  22. 1.77 km NW of Kalifornsky, Alaska · 1831 days ago · 55 km deep · 60 km away
  23. 1.954 km NW of Ninilchik, Alaska · 1831 days ago · 86 km deep · 88 km away
  24. 1.527 km NW of Beluga, Alaska · 1831 days ago · 65 km deep · 35 km away
  25. 1.761 km SSW of Skwentna, Alaska · 1830 days ago · 9 km deep · 64 km away
  26. 1.642 km W of Salamatof, Alaska · 1830 days ago · 79 km deep · 56 km away
  27. 1.80 km ENE of Beluga, Alaska · 1830 days ago · 59 km deep · 23 km away
  28. 2.66 km NW of Point MacKenzie, Alaska · 1829 days ago · 14 km deep · 85 km away
  29. 2.00 km SSE of Elmendorf Air Force Base, Alaska · 1829 days ago · 28 km deep · 100 km away
  30. 1.516 km SW of Susitna, Alaska · 1829 days ago · 48 km deep · 61 km away
  31. 2.247 km NW of Ninilchik, Alaska · 1829 days ago · 80 km deep · 81 km away
  32. 2.314 km WNW of Nikiski, Alaska · 1829 days ago · 71 km deep · 28 km away
  33. 1.930 km NW of Susitna, Alaska · 1829 days ago · 62 km deep · 86 km away
  34. 1.638 km SSW of Skwentna, Alaska · 1828 days ago · 82 km deep · 75 km away
  35. 1.526 km NW of Beluga, Alaska · 1828 days ago · 71 km deep · 33 km away
  36. 2.142 km WNW of Tyonek, Alaska · 1828 days ago · 98 km deep · 30 km away
  37. 1.75 km NNE of Susitna, Alaska · 1828 days ago · 54 km deep · 82 km away
  38. 2.27 km SSW of Point MacKenzie, Alaska · 1827 days ago · 27 km deep · 81 km away · felt by 1
  39. 1.656 km NW of Beluga, Alaska · 1827 days ago · 89 km deep · 57 km away
  40. 1.59 km SW of Big Lake, Alaska · 1827 days ago · 40 km deep · 88 km away
  41. 1.89 km SW of Point MacKenzie, Alaska · 1826 days ago · 48 km deep · 78 km away
  42. 1.89 km NNW of Big Lake, Alaska · 1826 days ago · 44 km deep · 98 km away
  43. 2.225 km WNW of Nikiski, Alaska · 1826 days ago · 76 km deep · 33 km away
  44. 1.812 km SW of Point MacKenzie, Alaska · 1826 days ago · 3 km deep · 76 km away
  45. 1.729 km NNW of Susitna, Alaska · 1826 days ago · 61 km deep · 92 km away
  46. 3.21 km NNE of Point MacKenzie, Alaska · 1826 days ago · 43 km deep · 88 km away · felt by 18
  47. 1.931 km WNW of Susitna, Alaska · 1826 days ago · 71 km deep · 68 km away
  48. 2.044 km NW of Ninilchik, Alaska · 1826 days ago · 84 km deep · 81 km away
  49. 2.42 km WSW of Point MacKenzie, Alaska · 1826 days ago · 37 km deep · 84 km away · felt by 1
  50. 1.831 km WNW of Clam Gulch, Alaska · 1826 days ago · 87 km deep · 80 km away
  51. 2.130 km SSW of Skwentna, Alaska · 1825 days ago · 71 km deep · 81 km away
  52. 1.642 km SW of Skwentna, Alaska · 1825 days ago · 103 km deep · 85 km away
  53. 1.514 km W of Point Possession, Alaska · 1824 days ago · 20 km deep · 26 km away
  54. 2.26 km E of Nikiski, Alaska · 1823 days ago · 59 km deep · 38 km away
  55. 1.529 km N of Beluga, Alaska · 1823 days ago · 15 km deep · 46 km away
  56. 1.522 km N of Beluga, Alaska · 1823 days ago · 59 km deep · 42 km away
  57. 2.928 km SSW of Skwentna, Alaska · 1823 days ago · 92 km deep · 85 km away
  58. 1.812 km WSW of Big Lake, Alaska · 1823 days ago · 43 km deep · 85 km away
  59. 1.824 km WNW of Susitna, Alaska · 1822 days ago · 62 km deep · 77 km away
  60. 1.927 km NW of Susitna, Alaska · 1822 days ago · 47 km deep · 88 km away

The first 60 of at least 201.

Before

  1. 1.663 km W of Tyonek, Alaska · 1835 days ago · 107 km deep · 48 km away
  2. 2.119 km SE of Skwentna, Alaska · 1835 days ago · 66 km deep · 99 km away
  3. 2.379 km W of Salamatof, Alaska · 1836 days ago · 119 km deep · 91 km away
  4. 1.910 km S of Tyonek, Alaska · 1837 days ago · 52 km deep · 14 km away
  5. 2.272 km NW of Ninilchik, Alaska · 1837 days ago · 110 km deep · 94 km away
  6. 2.045 km SW of Skwentna, Alaska · 1837 days ago · 110 km deep · 83 km away
  7. 1.955 km NW of Ninilchik, Alaska · 1837 days ago · 91 km deep · 86 km away
  8. 1.719 km SW of Tyonek, Alaska · 1837 days ago · 117 km deep · 10 km away
  9. 1.760 km W of Tyonek, Alaska · 1837 days ago · 92 km deep · 46 km away
  10. 1.957 km NW of Ninilchik, Alaska · 1838 days ago · 104 km deep · 95 km away
  11. 1.525 km ESE of Skwentna, Alaska · 1838 days ago · 72 km deep · 98 km away
  12. 2.066 km W of Tyonek, Alaska · 1838 days ago · 112 km deep · 51 km away
  13. 1.538 km WSW of Salamatof, Alaska · 1839 days ago · 86 km deep · 64 km away
  14. 1.741 km NW of Ninilchik, Alaska · 1839 days ago · 84 km deep · 92 km away
  15. 3.43 km SE of Big Lake, Alaska · 1839 days ago · 37 km deep · 97 km away · felt by 25
  16. 1.94 km SW of Kasilof, Alaska · 1839 days ago · 58 km deep · 78 km away · felt by 1
  17. 3.95 km SSW of Kasilof, Alaska · 1839 days ago · 60 km deep · 80 km away · felt by 39 · tsunami flag
  18. 1.534 km NW of Nikiski, Alaska · 1840 days ago · 78 km deep · 22 km away
  19. 2.615 km WSW of Cooper Landing, Alaska · 1840 days ago · 40 km deep · 98 km away · felt by 2
  20. 1.517 km ESE of Clam Gulch, Alaska · 1840 days ago · 62 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021buxsd1g. Read Thu, Sep 24, 2026, 3:21 PM UTC.