Alaska earthquakes

M1.8 earthquake 50 km W of Tyonek, Alaska

A magnitude 1.8 earthquake struck 50 km W of Tyonek, Alaska on Sun, Jun 20, 2021, 6:32 AM AKDT (14:32 UTC), 101 km (63 mi) below the surface.

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

A larger quake followed: M4.3 25 km W of Salamatof, Alaska. This one was a foreshock.

Nikiski 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
1.8 (ml), micro
Local time
UTC
2021-06-20 14:32:16 UTC
Depth
101.0 km (62.8 mi), intermediate-depth
Epicenter
61.145° N, 152.062° 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
13

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 197 in the 60 days after this one and 82 in the 30 days before it.

After

  1. 1.741 km S of Skwentna, Alaska · 1924 days ago · 72 km deep · 66 km away
  2. 1.525 km WSW of Anchorage, Alaska · 1923 days ago · 45 km deep · 94 km away
  3. 1.563 km W of Tyonek, Alaska · 1923 days ago · 115 km deep · 14 km away
  4. 1.89 km NE of Ridgeway, Alaska · 1922 days ago · 37 km deep · 86 km away
  5. 1.617 km NE of Point Possession, Alaska · 1922 days ago · 32 km deep · 87 km away
  6. 1.614 km NNW of Point Possession, Alaska · 1921 days ago · 6 km deep · 69 km away
  7. 2.766 km NW of Ninilchik, Alaska · 1921 days ago · 113 km deep · 90 km away · felt by 1
  8. 1.566 km WNW of Tyonek, Alaska · 1920 days ago · 120 km deep · 18 km away
  9. 1.622 km N of Point Possession, Alaska · 1920 days ago · 13 km deep · 77 km away
  10. 1.87 km W of Point Possession, Alaska · 1920 days ago · 70 km deep · 71 km away
  11. 1.811 km NNW of Nikiski, Alaska · 1920 days ago · 68 km deep · 55 km away
  12. 2.155 km WNW of Ninilchik, Alaska · 1920 days ago · 87 km deep · 100 km away
  13. 1.847 km WSW of Salamatof, Alaska · 1920 days ago · 81 km deep · 71 km away
  14. 1.720 km WSW of Tyonek, Alaska · 1919 days ago · 67 km deep · 35 km away
  15. 2.338 km WNW of Clam Gulch, Alaska · 1918 days ago · 93 km deep · 85 km away
  16. 1.615 km SSW of Susitna, Alaska · 1918 days ago · 60 km deep · 81 km away
  17. 1.718 km SSE of Skwentna, Alaska · 1918 days ago · 71 km deep · 87 km away
  18. 2.656 km WNW of Beluga, Alaska · 1918 days ago · 97 km deep · 30 km away
  19. 2.038 km SW of Skwentna, Alaska · 1917 days ago · 108 km deep · 67 km away
  20. 1.6Kenai Peninsula, Alaska · 1917 days ago · 18 km deep · 73 km away
  21. 1.669 km W of Tyonek, Alaska · 1917 days ago · 108 km deep · 20 km away
  22. 1.537 km NW of Ninilchik, Alaska · 1917 days ago · 82 km deep · 91 km away
  23. 1.75 km W of Soldotna, Alaska · 1916 days ago · 46 km deep · 88 km away
  24. 1.834 km WNW of Beluga, Alaska · 1916 days ago · 78 km deep · 30 km away
  25. 1.557 km WNW of Nikiski, Alaska · 1916 days ago · 100 km deep · 38 km away
  26. 1.615 km WNW of Kalifornsky, Alaska · 1916 days ago · 73 km deep · 81 km away
  27. 1.62 km NNE of Kenai, Alaska · 1915 days ago · 26 km deep · 77 km away
  28. 1.962 km NW of Beluga, Alaska · 1914 days ago · 1 km deep · 38 km away
  29. 1.843 km SW of Skwentna, Alaska · 1914 days ago · 113 km deep · 64 km away
  30. 2.524 km WNW of Susitna, Alaska · 1914 days ago · 59 km deep · 79 km away
  31. 2.86 km ENE of Soldotna, Alaska · 1913 days ago · 55 km deep · 92 km away · felt by 2
  32. 1.78 km ESE of Nikiski, Alaska · 1913 days ago · 49 km deep · 73 km away
  33. 2.219 km W of Point MacKenzie, Alaska · 1913 days ago · 47 km deep · 96 km away
  34. 4.325 km W of Salamatof, Alaska · 1913 days ago · 78 km deep · 64 km away · felt by 86 · tsunami flag
  35. 1.618 km N of Sterling, Alaska · 1913 days ago · 55 km deep · 84 km away
  36. 1.837 km WNW of Clam Gulch, Alaska · 1913 days ago · 84 km deep · 91 km away
  37. 1.881 km W of Salamatof, Alaska · 1913 days ago · 125 km deep · 79 km away
  38. 2.340 km WNW of Cohoe, Alaska · 1912 days ago · 85 km deep · 78 km away
  39. 1.770 km ENE of Port Alsworth, Alaska · 1912 days ago · 122 km deep · 94 km away
  40. 1.953 km NW of Ninilchik, Alaska · 1912 days ago · 98 km deep · 94 km away
  41. 1.936 km SSW of Skwentna, Alaska · 1911 days ago · 91 km deep · 64 km away
  42. 2.321 km W of Susitna, Alaska · 1911 days ago · 56 km deep · 76 km away · felt by 1
  43. 1.916 km ENE of Beluga, Alaska · 1910 days ago · 58 km deep · 68 km away
  44. 1.722 km WNW of Susitna, Alaska · 1910 days ago · 56 km deep · 85 km away
  45. 1.669 km WNW of Tyonek, Alaska · 1909 days ago · 0 km deep · 20 km away
  46. 1.765 km WNW of Nikiski, Alaska · 1909 days ago · 117 km deep · 41 km away
  47. 2.420 km WSW of Anchorage, Alaska · 1909 days ago · 40 km deep · 98 km away · felt by 1
  48. 1.644 km NW of Ninilchik, Alaska · 1909 days ago · 81 km deep · 97 km away
  49. 1.734 km WSW of Skwentna, Alaska · 1908 days ago · 103 km deep · 77 km away
  50. 1.841 km SSW of Skwentna, Alaska · 1908 days ago · 77 km deep · 60 km away
  51. 1.619 km WNW of Salamatof, Alaska · 1908 days ago · 75 km deep · 59 km away
  52. 1.758 km NW of Beluga, Alaska · 1907 days ago · 90 km deep · 36 km away
  53. 1.627 km WNW of Susitna, Alaska · 1907 days ago · 59 km deep · 82 km away
  54. 1.833 km W of Salamatof, Alaska · 1907 days ago · 77 km deep · 59 km away
  55. 1.832 km W of Salamatof, Alaska · 1907 days ago · 75 km deep · 59 km away
  56. 1.932 km SE of Skwentna, Alaska · 1907 days ago · 60 km deep · 92 km away
  57. 1.821 km N of Beluga, Alaska · 1906 days ago · 59 km deep · 54 km away
  58. 2.34 km N of Susitna, Alaska · 1906 days ago · 52 km deep · 96 km away
  59. 3.186 km ENE of Port Alsworth, Alaska · 1906 days ago · 138 km deep · 80 km away
  60. 1.931 km ENE of Beluga, Alaska · 1906 days ago · 44 km deep · 83 km away

The first 60 of 197.

Before

  1. 1.535 km W of Skwentna, Alaska · 1924 days ago · 98 km deep · 97 km away
  2. 1.530 km NNW of Beluga, Alaska · 1924 days ago · 62 km deep · 55 km away
  3. 1.631 km SE of Skwentna, Alaska · 1925 days ago · 61 km deep · 97 km away
  4. 1.943 km W of Salamatof, Alaska · 1925 days ago · 86 km deep · 61 km away
  5. 1.611 km SW of Tyonek, Alaska · 1925 days ago · 69 km deep · 43 km away
  6. 1.712 km NNW of Sterling, Alaska · 1925 days ago · 35 km deep · 85 km away
  7. 1.994 km NE of Port Alsworth, Alaska · 1925 days ago · 15 km deep · 67 km away
  8. 1.5Kenai Peninsula, Alaska · 1927 days ago · 46 km deep · 60 km away
  9. 1.628 km W of Salamatof, Alaska · 1927 days ago · 96 km deep · 55 km away
  10. 1.714 km SW of Susitna, Alaska · 1927 days ago · 56 km deep · 81 km away
  11. 1.62 km WNW of Point Possession, Alaska · 1927 days ago · 0 km deep · 76 km away
  12. 1.611 km SSE of Skwentna, Alaska · 1928 days ago · 78 km deep · 92 km away
  13. 2.357 km SW of Skwentna, Alaska · 1928 days ago · 115 km deep · 53 km away
  14. 2.015 km NE of Nikiski, Alaska · 1928 days ago · 50 km deep · 64 km away
  15. 2.920 km WSW of Tyonek, Alaska · 1928 days ago · 64 km deep · 36 km away
  16. 1.946 km SSW of Skwentna, Alaska · 1930 days ago · 92 km deep · 55 km away
  17. 1.823 km NW of Nikiski, Alaska · 1930 days ago · 74 km deep · 42 km away
  18. 1.765 km WNW of Nikiski, Alaska · 1930 days ago · 124 km deep · 33 km away
  19. 1.650 km WNW of Tyonek, Alaska · 1930 days ago · 83 km deep · 4 km away
  20. 1.723 km W of Susitna, Alaska · 1932 days ago · 59 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0217v1fb3v. Read Sat, Sep 26, 2026, 3:43 AM UTC.