Alaska earthquakes

M1.6 earthquake 83 km WSW of Nanwalek, Alaska

A magnitude 1.6 earthquake struck 83 km WSW of Nanwalek, Alaska on Tue, Feb 23, 2021, 10:10 AM AKST (19:10 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.3 72 km SSW of Nanwalek, 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
2021-02-23 19:10:06 UTC
Depth
11.0 km (6.8 mi), shallow
Epicenter
59.083° N, 153.276° 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
35

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 166 in the 30 days before it.

After

  1. 1.668 km WNW of Aleneva, Alaska · 2043 days ago · 79 km deep · 89 km away
  2. 2.856 km W of Anchor Point, Alaska · 2043 days ago · 90 km deep · 77 km away
  3. 1.827 km W of Anchor Point, Alaska · 2042 days ago · 84 km deep · 97 km away
  4. 1.944 km NNE of Aleneva, Alaska · 2042 days ago · 56 km deep · 85 km away
  5. 2.641 km ENE of Pedro Bay, Alaska · 2041 days ago · 127 km deep · 87 km away
  6. 1.844 km WNW of Anchor Point, Alaska · 2041 days ago · 83 km deep · 95 km away
  7. 1.539 km W of Anchor Point, Alaska · 2041 days ago · 86 km deep · 87 km away
  8. 1.649 km E of Pedro Bay, Alaska · 2041 days ago · 117 km deep · 87 km away
  9. 1.548 km W of Anchor Point, Alaska · 2041 days ago · 89 km deep · 79 km away
  10. 1.6Kodiak Island region, Alaska · 2041 days ago · 65 km deep · 55 km away
  11. 2.242 km SE of Pope-Vannoy Landing, Alaska · 2041 days ago · 122 km deep · 45 km away
  12. 1.941 km E of Pedro Bay, Alaska · 2040 days ago · 117 km deep · 79 km away
  13. 1.541 km WNW of Nanwalek, Alaska · 2040 days ago · 88 km deep · 64 km away
  14. 1.867 km SSE of Kokhanok, Alaska · 2040 days ago · 128 km deep · 67 km away
  15. 1.937 km NNE of Aleneva, Alaska · 2040 days ago · 60 km deep · 89 km away
  16. 1.662 km WNW of Anchor Point, Alaska · 2040 days ago · 81 km deep · 93 km away
  17. 2.134 km ENE of Pedro Bay, Alaska · 2040 days ago · 152 km deep · 96 km away
  18. 1.833 km W of Anchor Point, Alaska · 2040 days ago · 72 km deep · 95 km away
  19. 1.855 km SE of Pedro Bay, Alaska · 2039 days ago · 118 km deep · 40 km away
  20. 1.664 km ESE of Pedro Bay, Alaska · 2039 days ago · 108 km deep · 61 km away
  21. 2.653 km E of Pedro Bay, Alaska · 2039 days ago · 106 km deep · 72 km away
  22. 1.665 km ESE of Pedro Bay, Alaska · 2039 days ago · 98 km deep · 59 km away
  23. 2.154 km SSE of Kokhanok, Alaska · 2039 days ago · 126 km deep · 62 km away
  24. 2.149 km SW of Nanwalek, Alaska · 2038 days ago · 71 km deep · 46 km away
  25. 1.951 km W of Anchor Point, Alaska · 2038 days ago · 88 km deep · 81 km away
  26. 2.249 km WNW of Nanwalek, Alaska · 2038 days ago · 79 km deep · 53 km away
  27. 2.050 km ESE of Pedro Bay, Alaska · 2038 days ago · 100 km deep · 55 km away
  28. 1.617 km NNW of Nanwalek, Alaska · 2037 days ago · 62 km deep · 83 km away
  29. 2.359 km ESE of Pedro Bay, Alaska · 2037 days ago · 99 km deep · 65 km away
  30. 1.658 km WNW of Anchor Point, Alaska · 2037 days ago · 100 km deep · 96 km away
  31. 1.644 km WSW of Nanwalek, Alaska · 2037 days ago · 84 km deep · 40 km away
  32. 1.835 km ESE of Pope-Vannoy Landing, Alaska · 2037 days ago · 129 km deep · 54 km away
  33. 1.661 km WNW of Nanwalek, Alaska · 2036 days ago · 101 km deep · 56 km away
  34. 1.641 km ESE of Pedro Bay, Alaska · 2036 days ago · 120 km deep · 59 km away
  35. 1.950 km W of Anchor Point, Alaska · 2036 days ago · 81 km deep · 78 km away
  36. 1.653 km WSW of Anchor Point, Alaska · 2035 days ago · 77 km deep · 67 km away
  37. 1.850 km ENE of Pedro Bay, Alaska · 2035 days ago · 131 km deep · 100 km away
  38. 1.749 km ESE of Pedro Bay, Alaska · 2035 days ago · 105 km deep · 67 km away
  39. 1.756 km E of Pedro Bay, Alaska · 2035 days ago · 104 km deep · 79 km away
  40. 1.663 km E of Pedro Bay, Alaska · 2035 days ago · 98 km deep · 86 km away
  41. 1.643 km ESE of Pedro Bay, Alaska · 2035 days ago · 108 km deep · 57 km away
  42. 4.372 km SSW of Nanwalek, Alaska · 2034 days ago · 55 km deep · 55 km away · felt by 4 · tsunami flag
  43. 1.929 km NW of Nanwalek, Alaska · 2034 days ago · 64 km deep · 77 km away
  44. 1.654 km WNW of Nanwalek, Alaska · 2034 days ago · 87 km deep · 66 km away
  45. 1.947 km SW of Nanwalek, Alaska · 2034 days ago · 66 km deep · 41 km away
  46. 1.935 km E of Pedro Bay, Alaska · 2034 days ago · 127 km deep · 84 km away
  47. 1.545 km W of Anchor Point, Alaska · 2034 days ago · 85 km deep · 82 km away
  48. 1.944 km ENE of Pedro Bay, Alaska · 2034 days ago · 131 km deep · 95 km away
  49. 2.052 km WNW of Anchor Point, Alaska · 2034 days ago · 86 km deep · 95 km away
  50. 1.740 km SW of Nanwalek, Alaska · 2034 days ago · 76 km deep · 45 km away
  51. 1.851 km SE of Pope-Vannoy Landing, Alaska · 2034 days ago · 108 km deep · 40 km away
  52. 1.754 km SE of Pedro Bay, Alaska · 2034 days ago · 108 km deep · 38 km away
  53. 1.751 km W of Anchor Point, Alaska · 2033 days ago · 88 km deep · 76 km away
  54. 1.565 km WNW of Aleneva, Alaska · 2033 days ago · 68 km deep · 90 km away
  55. 1.947 km WNW of Nanwalek, Alaska · 2033 days ago · 81 km deep · 52 km away
  56. 1.930 km ESE of Pedro Bay, Alaska · 2033 days ago · 129 km deep · 66 km away
  57. 2.032 km W of Nanwalek, Alaska · 2033 days ago · 65 km deep · 57 km away
  58. 1.665 km ESE of Pedro Bay, Alaska · 2033 days ago · 101 km deep · 59 km away
  59. 2.667 km W of Nanwalek, Alaska · 2033 days ago · 83 km deep · 27 km away
  60. 1.950 km W of Anchor Point, Alaska · 2033 days ago · 91 km deep · 86 km away

The first 60 of at least 199.

Before

  1. 1.963 km SSE of Kokhanok, Alaska · 2043 days ago · 134 km deep · 73 km away
  2. 1.520 km NNW of Nanwalek, Alaska · 2043 days ago · 61 km deep · 85 km away
  3. 1.830 km E of Pedro Bay, Alaska · 2043 days ago · 128 km deep · 83 km away
  4. 1.665 km ESE of Pedro Bay, Alaska · 2044 days ago · 99 km deep · 59 km away
  5. 1.729 km WNW of Nanwalek, Alaska · 2044 days ago · 62 km deep · 65 km away
  6. 1.553 km W of Anchor Point, Alaska · 2044 days ago · 87 km deep · 80 km away
  7. 2.435 km ENE of Pedro Bay, Alaska · 2045 days ago · 139 km deep · 94 km away
  8. 2.052 km ENE of Pedro Bay, Alaska · 2045 days ago · 107 km deep · 90 km away
  9. 1.965 km ESE of Pope-Vannoy Landing, Alaska · 2045 days ago · 108 km deep · 26 km away
  10. 2.366 km NNW of Aleneva, Alaska · 2045 days ago · 69 km deep · 57 km away
  11. 2.165 km ESE of Pedro Bay, Alaska · 2045 days ago · 98 km deep · 53 km away
  12. 1.721 km WSW of Anchor Point, Alaska · 2046 days ago · 69 km deep · 91 km away
  13. 1.861 km E of Pedro Bay, Alaska · 2046 days ago · 105 km deep · 75 km away
  14. 1.887 km NW of Aleneva, Alaska · 2046 days ago · 77 km deep · 59 km away
  15. 1.749 km WNW of Nanwalek, Alaska · 2046 days ago · 91 km deep · 55 km away
  16. 1.921 km SW of Nanwalek, Alaska · 2046 days ago · 57 km deep · 63 km away
  17. 2.047 km ESE of Pedro Bay, Alaska · 2046 days ago · 107 km deep · 63 km away
  18. 2.964 km ESE of Pedro Bay, Alaska · 2046 days ago · 90 km deep · 59 km away
  19. 1.674 km SE of Pedro Bay, Alaska · 2047 days ago · 87 km deep · 20 km away
  20. 2.043 km WSW of Nanwalek, Alaska · 2047 days ago · 64 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0212hme4ms. Read Mon, Sep 28, 2026, 9:01 PM UTC.