Alaska earthquakes

M1.6 earthquake 23 km SW of Nanwalek, Alaska

A magnitude 1.6 earthquake struck 23 km SW of Nanwalek, Alaska on Mon, Jun 21, 2021, 3:06 PM AKDT (23:06 UTC), 54 km (34 mi) below the surface.

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

A larger quake followed: M3.5 4 km NNW of Happy Valley, 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
1.6 (ml), micro
Local time
UTC
2021-06-21 23:06:05 UTC
Depth
54.3 km (33.7 mi), shallow
Epicenter
59.181° N, 152.153° 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
18

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 199 in the 60 days after this one and 80 in the 30 days before it.

After

  1. 1.782 km NNW of Aleneva, Alaska · 1927 days ago · 0 km deep · 95 km away
  2. 1.954 km E of Pedro Bay, Alaska · 1926 days ago · 120 km deep · 95 km away
  3. 1.657 km SE of Pedro Bay, Alaska · 1926 days ago · 101 km deep · 76 km away
  4. 1.866 km NNE of Aleneva, Alaska · 1926 days ago · 12 km deep · 67 km away
  5. 1.863 km ENE of Pedro Bay, Alaska · 1924 days ago · 115 km deep · 98 km away
  6. 1.686 km NNW of Aleneva, Alaska · 1923 days ago · 19 km deep · 93 km away
  7. 1.790 km NNW of Aleneva, Alaska · 1923 days ago · 18 km deep · 95 km away
  8. 2.647 km W of Happy Valley, Alaska · 1923 days ago · 94 km deep · 97 km away
  9. 2.060 km W of Anchor Point, Alaska · 1922 days ago · 94 km deep · 76 km away
  10. 1.835 km NW of Nanwalek, Alaska · 1922 days ago · 87 km deep · 46 km away
  11. 2.467 km SE of Pope-Vannoy Landing, Alaska · 1922 days ago · 97 km deep · 79 km away
  12. 2.457 km WSW of Anchor Point, Alaska · 1922 days ago · 85 km deep · 65 km away
  13. 2.155 km WSW of Anchor Point, Alaska · 1922 days ago · 91 km deep · 65 km away
  14. 1.871 km SW of Nanwalek, Alaska · 1921 days ago · 65 km deep · 49 km away
  15. 1.759 km WNW of Nanwalek, Alaska · 1921 days ago · 97 km deep · 58 km away
  16. 1.821 km WNW of Anchor Point, Alaska · 1921 days ago · 79 km deep · 71 km away
  17. 1.865 km WSW of Nanwalek, Alaska · 1921 days ago · 70 km deep · 50 km away
  18. 1.854 km W of Happy Valley, Alaska · 1921 days ago · 96 km deep · 99 km away
  19. 1.684 km NNW of Aleneva, Alaska · 1921 days ago · 1 km deep · 98 km away
  20. 2.157 km NNE of Aleneva, Alaska · 1921 days ago · 57 km deep · 75 km away
  21. 1.522 km SW of Anchor Point, Alaska · 1921 days ago · 60 km deep · 51 km away
  22. 1.560 km E of Pedro Bay, Alaska · 1920 days ago · 108 km deep · 81 km away
  23. 2.563 km W of Anchor Point, Alaska · 1920 days ago · 102 km deep · 90 km away
  24. 1.756 km S of Port Graham, Alaska · 1920 days ago · 60 km deep · 40 km away
  25. 1.831 km WSW of Nanwalek, Alaska · 1919 days ago · 54 km deep · 18 km away
  26. 1.953 km E of Pedro Bay, Alaska · 1919 days ago · 97 km deep · 86 km away
  27. 2.134 km WNW of Anchor Point, Alaska · 1919 days ago · 87 km deep · 80 km away
  28. 2.264 km SW of Nanwalek, Alaska · 1919 days ago · 70 km deep · 42 km away
  29. 1.957 km SW of Nanwalek, Alaska · 1918 days ago · 47 km deep · 35 km away
  30. 2.28 km ENE of Nikolaevsk, Alaska · 1918 days ago · 72 km deep · 84 km away
  31. 1.525 km WNW of Anchor Point, Alaska · 1918 days ago · 78 km deep · 77 km away
  32. 1.62 km N of Nanwalek, Alaska · 1917 days ago · 55 km deep · 26 km away
  33. 1.688 km NNW of Aleneva, Alaska · 1917 days ago · 14 km deep · 100 km away
  34. 1.850 km E of Pedro Bay, Alaska · 1917 days ago · 120 km deep · 96 km away
  35. 1.760 km ENE of Pedro Bay, Alaska · 1917 days ago · 113 km deep · 98 km away
  36. 1.847 km SSW of Nanwalek, Alaska · 1916 days ago · 70 km deep · 25 km away
  37. 2.034 km E of Pedro Bay, Alaska · 1916 days ago · 129 km deep · 99 km away
  38. 2.047 km E of Pedro Bay, Alaska · 1916 days ago · 128 km deep · 92 km away
  39. 2.054 km E of Pedro Bay, Alaska · 1916 days ago · 102 km deep · 84 km away
  40. 1.649 km W of Happy Valley, Alaska · 1916 days ago · 98 km deep · 98 km away
  41. 1.692 km NNW of Aleneva, Alaska · 1916 days ago · 15 km deep · 98 km away
  42. 1.534 km NW of Nanwalek, Alaska · 1915 days ago · 68 km deep · 44 km away
  43. 1.563 km WNW of Anchor Point, Alaska · 1915 days ago · 101 km deep · 98 km away
  44. 2.0Southern Alaska · 1915 days ago · 117 km deep · 99 km away
  45. 1.558 km W of Anchor Point, Alaska · 1914 days ago · 94 km deep · 73 km away
  46. 1.534 km N of Aleneva, Alaska · 1914 days ago · 65 km deep · 100 km away
  47. 1.55 km E of Happy Valley, Alaska · 1914 days ago · 52 km deep · 91 km away
  48. 1.861 km WNW of Nanwalek, Alaska · 1913 days ago · 91 km deep · 58 km away
  49. 1.712 km W of Anchor Point, Alaska · 1913 days ago · 68 km deep · 69 km away
  50. 1.641 km SE of Pedro Bay, Alaska · 1913 days ago · 122 km deep · 91 km away
  51. 2.164 km WNW of Nanwalek, Alaska · 1913 days ago · 96 km deep · 64 km away
  52. 1.828 km WNW of Anchor Point, Alaska · 1912 days ago · 79 km deep · 82 km away
  53. 2.07 km SW of Nanwalek, Alaska · 1912 days ago · 71 km deep · 16 km away
  54. 1.90 km WNW of Kachemak City, Alaska · 1912 days ago · 50 km deep · 67 km away
  55. 1.974 km NNE of Aleneva, Alaska · 1912 days ago · 75 km deep · 59 km away
  56. 1.864 km WNW of Nanwalek, Alaska · 1912 days ago · 100 km deep · 62 km away
  57. 2.219 km W of Anchor Point, Alaska · 1912 days ago · 66 km deep · 68 km away
  58. 1.916 km SE of Ninilchik, Alaska · 1912 days ago · 60 km deep · 96 km away
  59. 1.748 km E of Pedro Bay, Alaska · 1911 days ago · 108 km deep · 86 km away
  60. 2.148 km E of Pedro Bay, Alaska · 1911 days ago · 124 km deep · 95 km away

The first 60 of at least 199.

Before

  1. 1.96 km SE of Happy Valley, Alaska · 1927 days ago · 42 km deep · 85 km away
  2. 1.978 km NNW of Aleneva, Alaska · 1927 days ago · 5 km deep · 97 km away
  3. 1.670 km NNW of Aleneva, Alaska · 1928 days ago · 9 km deep · 91 km away
  4. 2.646 km W of Anchor Point, Alaska · 1928 days ago · 82 km deep · 74 km away
  5. 1.753 km ENE of Pedro Bay, Alaska · 1929 days ago · 116 km deep · 98 km away
  6. 2.453 km E of Pedro Bay, Alaska · 1930 days ago · 103 km deep · 85 km away
  7. 1.564 km W of Anchor Point, Alaska · 1931 days ago · 92 km deep · 71 km away
  8. 1.948 km WNW of Happy Valley, Alaska · 1931 days ago · 99 km deep · 99 km away
  9. 1.641 km SW of Nanwalek, Alaska · 1932 days ago · 49 km deep · 19 km away
  10. 1.826 km WSW of Anchor Point, Alaska · 1932 days ago · 92 km deep · 59 km away
  11. 1.559 km WNW of Anchor Point, Alaska · 1932 days ago · 91 km deep · 98 km away
  12. 1.554 km ENE of Pedro Bay, Alaska · 1933 days ago · 107 km deep · 99 km away
  13. 1.843 km E of Pedro Bay, Alaska · 1933 days ago · 122 km deep · 93 km away
  14. 2.428 km SE of Port Graham, Alaska · 1934 days ago · 28 km deep · 42 km away
  15. 1.558 km W of Anchor Point, Alaska · 1934 days ago · 99 km deep · 77 km away
  16. 1.747 km W of Nanwalek, Alaska · 1934 days ago · 97 km deep · 40 km away
  17. 2.053 km E of Pedro Bay, Alaska · 1934 days ago · 104 km deep · 85 km away
  18. 1.862 km SW of Nanwalek, Alaska · 1935 days ago · 64 km deep · 41 km away
  19. 2.311 km ESE of Ninilchik, Alaska · 1935 days ago · 56 km deep · 98 km away
  20. 1.663 km WSW of Nanwalek, Alaska · 1935 days ago · 60 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0217wu5yl0. Read Wed, Sep 30, 2026, 9:15 PM UTC.