Alaska earthquakes

M1.6 earthquake 21 km SW of Nanwalek, Alaska

A magnitude 1.6 earthquake struck 21 km SW of Nanwalek, Alaska on Sun, May 23, 2021, 5:50 PM AKDT (01:50 UTC), 70 km (44 mi) below the surface.

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

A larger quake followed: M3.7 50 km WNW of Nanwalek, Alaska. This one was a foreshock.

Homer 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
1.6 (ml), micro
Local time
UTC
2021-05-24 01:50:39 UTC
Depth
70.2 km (43.6 mi), intermediate-depth
Epicenter
59.217° N, 152.178° 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
25

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 84 in the 30 days before it.

After

  1. 1.970 km SW of Nanwalek, Alaska · 1955 days ago · 66 km deep · 49 km away
  2. 1.745 km E of Pedro Bay, Alaska · 1954 days ago · 133 km deep · 93 km away
  3. 1.561 km W of Nanwalek, Alaska · 1954 days ago · 95 km deep · 51 km away
  4. 1.544 km W of Anchor Point, Alaska · 1954 days ago · 83 km deep · 74 km away
  5. 3.315 km NW of Nanwalek, Alaska · 1954 days ago · 64 km deep · 27 km away · felt by 3
  6. 2.265 km SE of Pope-Vannoy Landing, Alaska · 1953 days ago · 96 km deep · 82 km away
  7. 1.723 km WNW of Happy Valley, Alaska · 1953 days ago · 77 km deep · 92 km away
  8. 1.848 km WNW of Nanwalek, Alaska · 1952 days ago · 77 km deep · 45 km away
  9. 1.642 km WNW of Nanwalek, Alaska · 1952 days ago · 71 km deep · 43 km away
  10. 1.764 km WNW of Nanwalek, Alaska · 1952 days ago · 100 km deep · 61 km away
  11. 2.128 km W of Anchor Point, Alaska · 1952 days ago · 62 km deep · 59 km away
  12. 1.55 km E of Ninilchik, Alaska · 1951 days ago · 35 km deep · 99 km away
  13. 1.930 km WNW of Anchor Point, Alaska · 1951 days ago · 75 km deep · 73 km away
  14. 1.740 km WSW of Anchor Point, Alaska · 1950 days ago · 68 km deep · 48 km away
  15. 1.54 km SW of Homer, Alaska · 1950 days ago · 59 km deep · 55 km away
  16. 1.660 km WNW of Nanwalek, Alaska · 1950 days ago · 86 km deep · 58 km away
  17. 1.617 km WNW of Nanwalek, Alaska · 1949 days ago · 64 km deep · 22 km away
  18. 1.654 km E of Pedro Bay, Alaska · 1949 days ago · 106 km deep · 80 km away
  19. 3.750 km WNW of Nanwalek, Alaska · 1948 days ago · 82 km deep · 51 km away · felt by 6
  20. 2.019 km SSE of Fox River, Alaska · 1948 days ago · 38 km deep · 97 km away
  21. 2.155 km WSW of Nanwalek, Alaska · 1948 days ago · 29 km deep · 37 km away
  22. 1.762 km ESE of Pedro Bay, Alaska · 1948 days ago · 96 km deep · 65 km away
  23. 1.954 km W of Nanwalek, Alaska · 1948 days ago · 83 km deep · 41 km away
  24. 1.921 km W of Anchor Point, Alaska · 1947 days ago · 70 km deep · 65 km away
  25. 2.14 km NNW of Nanwalek, Alaska · 1947 days ago · 52 km deep · 24 km away
  26. 1.64 km SW of Happy Valley, Alaska · 1946 days ago · 48 km deep · 81 km away
  27. 2.440 km WSW of Nanwalek, Alaska · 1946 days ago · 62 km deep · 26 km away
  28. 1.836 km ESE of Pedro Bay, Alaska · 1946 days ago · 117 km deep · 90 km away
  29. 1.853 km SE of Pope-Vannoy Landing, Alaska · 1946 days ago · 114 km deep · 100 km away
  30. 2.064 km W of Nanwalek, Alaska · 1945 days ago · 83 km deep · 50 km away
  31. 1.559 km E of Pedro Bay, Alaska · 1944 days ago · 103 km deep · 79 km away
  32. 3.061 km WSW of Nanwalek, Alaska · 1944 days ago · 64 km deep · 43 km away
  33. 1.958 km WNW of Anchor Point, Alaska · 1943 days ago · 92 km deep · 90 km away
  34. 2.654 km ESE of Pope-Vannoy Landing, Alaska · 1942 days ago · 118 km deep · 84 km away
  35. 1.755 km WNW of Nanwalek, Alaska · 1942 days ago · 82 km deep · 52 km away
  36. 1.838 km WNW of Anchor Point, Alaska · 1941 days ago · 75 km deep · 79 km away
  37. 2.238 km E of Pedro Bay, Alaska · 1941 days ago · 114 km deep · 94 km away
  38. 1.539 km W of Anchor Point, Alaska · 1941 days ago · 25 km deep · 65 km away
  39. 1.766 km W of Nanwalek, Alaska · 1941 days ago · 75 km deep · 52 km away
  40. 1.760 km W of Nanwalek, Alaska · 1940 days ago · 82 km deep · 51 km away
  41. 2.342 km E of Pedro Bay, Alaska · 1939 days ago · 130 km deep · 96 km away
  42. 1.942 km S of Nanwalek, Alaska · 1939 days ago · 43 km deep · 30 km away
  43. 1.583 km SE of Pope-Vannoy Landing, Alaska · 1939 days ago · 37 km deep · 86 km away
  44. 2.048 km W of Happy Valley, Alaska · 1939 days ago · 102 km deep · 91 km away
  45. 2.184 km NNW of Aleneva, Alaska · 1938 days ago · 74 km deep · 92 km away
  46. 1.85 km W of Ninilchik, Alaska · 1938 days ago · 60 km deep · 95 km away
  47. 2.016 km ESE of Halibut Cove, Alaska · 1937 days ago · 33 km deep · 79 km away
  48. 1.64 km N of Halibut Cove, Alaska · 1936 days ago · 36 km deep · 71 km away
  49. 1.514 km WNW of Seldovia, Alaska · 1936 days ago · 57 km deep · 34 km away
  50. 1.638 km SW of Nanwalek, Alaska · 1936 days ago · 69 km deep · 18 km away
  51. 1.524 km WSW of Nanwalek, Alaska · 1935 days ago · 75 km deep · 10 km away
  52. 1.670 km SW of Nanwalek, Alaska · 1935 days ago · 69 km deep · 49 km away
  53. 1.962 km SE of Pedro Bay, Alaska · 1935 days ago · 100 km deep · 75 km away
  54. 1.679 km SW of Nanwalek, Alaska · 1935 days ago · 62 km deep · 58 km away
  55. 1.744 km W of Anchor Point, Alaska · 1935 days ago · 89 km deep · 66 km away
  56. 1.650 km WNW of Happy Valley, Alaska · 1935 days ago · 92 km deep · 97 km away
  57. 1.533 km NW of Nanwalek, Alaska · 1934 days ago · 65 km deep · 40 km away
  58. 1.663 km WSW of Nanwalek, Alaska · 1934 days ago · 60 km deep · 43 km away
  59. 2.311 km ESE of Ninilchik, Alaska · 1934 days ago · 56 km deep · 95 km away
  60. 1.862 km SW of Nanwalek, Alaska · 1934 days ago · 64 km deep · 41 km away

The first 60 of at least 199.

Before

  1. 1.630 km WNW of Nanwalek, Alaska · 1955 days ago · 65 km deep · 30 km away
  2. 1.776 km N of Aleneva, Alaska · 1955 days ago · 59 km deep · 64 km away
  3. 1.87 km NW of Happy Valley, Alaska · 1955 days ago · 57 km deep · 90 km away
  4. 1.547 km W of Anchor Point, Alaska · 1956 days ago · 87 km deep · 66 km away
  5. 1.568 km WSW of Nanwalek, Alaska · 1956 days ago · 66 km deep · 49 km away
  6. 1.66 km SW of Anchor Point, Alaska · 1956 days ago · 16 km deep · 60 km away
  7. 3.649 km W of Nanwalek, Alaska · 1956 days ago · 70 km deep · 35 km away · felt by 1
  8. 2.324 km WSW of Anchor Point, Alaska · 1956 days ago · 60 km deep · 57 km away
  9. 2.564 km ESE of Pedro Bay, Alaska · 1957 days ago · 83 km deep · 62 km away
  10. 1.628 km WNW of Nanwalek, Alaska · 1959 days ago · 75 km deep · 27 km away
  11. 1.545 km W of Nanwalek, Alaska · 1959 days ago · 20 km deep · 39 km away
  12. 2.259 km E of Pedro Bay, Alaska · 1959 days ago · 97 km deep · 82 km away
  13. 1.632 km WSW of Anchor Point, Alaska · 1960 days ago · 77 km deep · 57 km away
  14. 2.064 km ESE of Pedro Bay, Alaska · 1962 days ago · 93 km deep · 63 km away
  15. 1.756 km W of Happy Valley, Alaska · 1962 days ago · 109 km deep · 97 km away
  16. 2.049 km W of Happy Valley, Alaska · 1962 days ago · 100 km deep · 93 km away
  17. 1.79 km N of Nanwalek, Alaska · 1962 days ago · 57 km deep · 29 km away
  18. 2.025 km WNW of Anchor Point, Alaska · 1964 days ago · 73 km deep · 68 km away
  19. 1.611 km W of Anchor Point, Alaska · 1964 days ago · 62 km deep · 62 km away
  20. 1.762 km E of Pedro Bay, Alaska · 1964 days ago · 101 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0216m6a7ku. Read Tue, Sep 29, 2026, 6:05 PM UTC.