Alaska earthquakes

M1.6 earthquake 43 km W of Nanwalek, Alaska

A magnitude 1.6 earthquake struck 43 km W of Nanwalek, Alaska on Tue, Feb 16, 2021, 1:22 AM AKST (10:22 UTC), 74 km (46 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
2021-02-16 10:22:01 UTC
Depth
73.7 km (45.8 mi), intermediate-depth
Epicenter
59.319° N, 152.675° 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
47

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 200 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 1.641 km ESE of Pedro Bay, Alaska · 2050 days ago · 111 km deep · 55 km away
  2. 1.535 km SSW of Nanwalek, Alaska · 2050 days ago · 79 km deep · 39 km away
  3. 2.351 km E of Pedro Bay, Alaska · 2050 days ago · 120 km deep · 65 km away
  4. 1.64 km NNE of Anchor Point, Alaska · 2050 days ago · 64 km deep · 74 km away
  5. 1.766 km SE of Pedro Bay, Alaska · 2050 days ago · 117 km deep · 42 km away
  6. 1.960 km WNW of Anchor Point, Alaska · 2049 days ago · 94 km deep · 66 km away
  7. 1.642 km W of Nanwalek, Alaska · 2049 days ago · 69 km deep · 5 km away
  8. 1.636 km WNW of Happy Valley, Alaska · 2049 days ago · 82 km deep · 80 km away
  9. 3.563 km WNW of Nanwalek, Alaska · 2049 days ago · 95 km deep · 30 km away
  10. 2.264 km WNW of Happy Valley, Alaska · 2049 days ago · 114 km deep · 86 km away
  11. 1.651 km W of Nanwalek, Alaska · 2049 days ago · 75 km deep · 9 km away
  12. 2.128 km WNW of Anchor Point, Alaska · 2049 days ago · 79 km deep · 62 km away
  13. 1.765 km WNW of Nanwalek, Alaska · 2049 days ago · 92 km deep · 34 km away
  14. 1.570 km WNW of Happy Valley, Alaska · 2048 days ago · 111 km deep · 88 km away
  15. 1.563 km WNW of Nanwalek, Alaska · 2048 days ago · 95 km deep · 26 km away
  16. 2.359 km WSW of Nanwalek, Alaska · 2048 days ago · 66 km deep · 20 km away
  17. 2.149 km E of Pedro Bay, Alaska · 2048 days ago · 121 km deep · 68 km away
  18. 1.684 km NNW of Aleneva, Alaska · 2048 days ago · 3 km deep · 86 km away
  19. 1.732 km WSW of Nanwalek, Alaska · 2048 days ago · 74 km deep · 13 km away
  20. 2.531 km W of Nanwalek, Alaska · 2048 days ago · 65 km deep · 12 km away
  21. 1.868 km SE of Pope-Vannoy Landing, Alaska · 2048 days ago · 103 km deep · 49 km away
  22. 1.546 km W of Anchor Point, Alaska · 2048 days ago · 81 km deep · 56 km away
  23. 1.660 km SE of Pope-Vannoy Landing, Alaska · 2048 days ago · 112 km deep · 66 km away
  24. 2.062 km ENE of Pedro Bay, Alaska · 2048 days ago · 116 km deep · 73 km away
  25. 1.878 km SE of Kokhanok, Alaska · 2048 days ago · 3 km deep · 76 km away
  26. 4.055 km ENE of Pedro Bay, Alaska · 2048 days ago · 139 km deep · 74 km away · felt by 3
  27. 1.533 km WSW of Anchor Point, Alaska · 2048 days ago · 72 km deep · 40 km away
  28. 1.826 km WNW of Anchor Point, Alaska · 2048 days ago · 80 km deep · 69 km away
  29. 2.022 km WSW of Nanwalek, Alaska · 2048 days ago · 59 km deep · 25 km away
  30. 1.68 km W of Happy Valley, Alaska · 2048 days ago · 56 km deep · 84 km away
  31. 1.529 km WNW of Anchor Point, Alaska · 2048 days ago · 80 km deep · 71 km away
  32. 1.665 km W of Nanwalek, Alaska · 2047 days ago · 86 km deep · 25 km away
  33. 1.650 km W of Nanwalek, Alaska · 2047 days ago · 80 km deep · 14 km away
  34. 1.747 km ESE of Pedro Bay, Alaska · 2047 days ago · 118 km deep · 48 km away
  35. 2.123 km WNW of Ninilchik, Alaska · 2046 days ago · 69 km deep · 95 km away
  36. 2.056 km SW of Nanwalek, Alaska · 2046 days ago · 62 km deep · 37 km away
  37. 1.845 km WNW of Ninilchik, Alaska · 2046 days ago · 102 km deep · 96 km away
  38. 1.643 km WNW of Ninilchik, Alaska · 2046 days ago · 93 km deep · 91 km away
  39. 1.759 km WNW of Anchor Point, Alaska · 2046 days ago · 94 km deep · 75 km away
  40. 1.766 km E of Port Alsworth, Alaska · 2046 days ago · 124 km deep · 96 km away
  41. 2.043 km WSW of Nanwalek, Alaska · 2046 days ago · 64 km deep · 11 km away
  42. 1.674 km SE of Pedro Bay, Alaska · 2046 days ago · 87 km deep · 36 km away
  43. 2.964 km ESE of Pedro Bay, Alaska · 2046 days ago · 90 km deep · 37 km away
  44. 2.047 km ESE of Pedro Bay, Alaska · 2046 days ago · 107 km deep · 51 km away
  45. 2.249 km ENE of Pedro Bay, Alaska · 2045 days ago · 137 km deep · 84 km away
  46. 1.921 km SW of Nanwalek, Alaska · 2045 days ago · 57 km deep · 29 km away
  47. 1.749 km WNW of Nanwalek, Alaska · 2045 days ago · 91 km deep · 20 km away
  48. 1.861 km E of Pedro Bay, Alaska · 2045 days ago · 105 km deep · 51 km away
  49. 1.721 km WSW of Anchor Point, Alaska · 2045 days ago · 69 km deep · 49 km away
  50. 2.165 km ESE of Pedro Bay, Alaska · 2045 days ago · 98 km deep · 33 km away
  51. 2.062 km E of Port Alsworth, Alaska · 2045 days ago · 154 km deep · 99 km away
  52. 2.366 km NNW of Aleneva, Alaska · 2045 days ago · 69 km deep · 94 km away
  53. 1.965 km ESE of Pope-Vannoy Landing, Alaska · 2045 days ago · 108 km deep · 45 km away
  54. 2.052 km ENE of Pedro Bay, Alaska · 2045 days ago · 107 km deep · 70 km away
  55. 1.868 km E of Port Alsworth, Alaska · 2045 days ago · 116 km deep · 98 km away
  56. 1.657 km ENE of Pedro Bay, Alaska · 2044 days ago · 123 km deep · 81 km away
  57. 2.435 km ENE of Pedro Bay, Alaska · 2044 days ago · 139 km deep · 82 km away
  58. 1.644 km NE of Pedro Bay, Alaska · 2044 days ago · 146 km deep · 90 km away
  59. 1.553 km W of Anchor Point, Alaska · 2043 days ago · 87 km deep · 49 km away
  60. 1.755 km ENE of Pedro Bay, Alaska · 2043 days ago · 110 km deep · 89 km away

The first 60 of at least 200.

Before

  1. 2.159 km ENE of Pedro Bay, Alaska · 2050 days ago · 110 km deep · 77 km away
  2. 1.565 km WNW of Anchor Point, Alaska · 2050 days ago · 97 km deep · 72 km away
  3. 1.859 km W of Anchor Point, Alaska · 2050 days ago · 104 km deep · 57 km away
  4. 1.535 km WNW of Nanwalek, Alaska · 2050 days ago · 73 km deep · 18 km away
  5. 1.664 km ESE of Pedro Bay, Alaska · 2050 days ago · 101 km deep · 39 km away
  6. 1.54 km WSW of Halibut Cove, Alaska · 2050 days ago · 4 km deep · 83 km away
  7. 2.540 km WNW of Happy Valley, Alaska · 2050 days ago · 77 km deep · 79 km away
  8. 2.041 km WNW of Nanwalek, Alaska · 2050 days ago · 71 km deep · 21 km away
  9. 1.650 km E of Pedro Bay, Alaska · 2051 days ago · 110 km deep · 56 km away
  10. 1.527 km WNW of Nanwalek, Alaska · 2051 days ago · 67 km deep · 20 km away
  11. 1.667 km E of Port Alsworth, Alaska · 2051 days ago · 117 km deep · 93 km away
  12. 1.660 km E of Pedro Bay, Alaska · 2051 days ago · 100 km deep · 61 km away
  13. 1.961 km WNW of Happy Valley, Alaska · 2051 days ago · 92 km deep · 92 km away
  14. 1.767 km SE of Pedro Bay, Alaska · 2051 days ago · 102 km deep · 29 km away
  15. 1.866 km WNW of Happy Valley, Alaska · 2052 days ago · 111 km deep · 88 km away
  16. 1.860 km WNW of Anchor Point, Alaska · 2052 days ago · 112 km deep · 66 km away
  17. 2.263 km ENE of Pedro Bay, Alaska · 2052 days ago · 113 km deep · 78 km away
  18. 1.624 km W of Anchor Point, Alaska · 2052 days ago · 68 km deep · 52 km away
  19. 1.862 km SE of Pedro Bay, Alaska · 2052 days ago · 101 km deep · 42 km away
  20. 1.666 km WNW of Happy Valley, Alaska · 2053 days ago · 112 km deep · 92 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02125wcd3r. Read Mon, Sep 28, 2026, 6:17 AM UTC.