Alaska earthquakes

M1.5 earthquake 58 km W of Nanwalek, Alaska

A magnitude 1.5 earthquake struck 58 km W of Nanwalek, Alaska on Mon, Aug 16, 2021, 1:29 AM AKDT (09:29 UTC), 67 km (42 mi) below the surface.

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

A larger quake followed: M3.6 15 km WSW of Anchor Point, Alaska. This one was a foreshock.

Anchor Point 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
1.5 (ml), micro
Local time
UTC
2021-08-16 09:29:32 UTC
Depth
67.3 km (41.8 mi), shallow
Epicenter
59.456° N, 152.925° 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
37

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. 1.752 km ESE of Pedro Bay, Alaska · 1868 days ago · 104 km deep · 24 km away
  2. 2.540 km NE of Pedro Bay, Alaska · 1868 days ago · 151 km deep · 68 km away
  3. 1.630 km SE of Pedro Bay, Alaska · 1868 days ago · 112 km deep · 48 km away
  4. 1.56 km NNE of Anchor Point, Alaska · 1868 days ago · 57 km deep · 76 km away
  5. 1.662 km SE of Pope-Vannoy Landing, Alaska · 1868 days ago · 111 km deep · 54 km away
  6. 2.256 km SSW of Nanwalek, Alaska · 1868 days ago · 58 km deep · 80 km away
  7. 1.649 km E of Pedro Bay, Alaska · 1868 days ago · 109 km deep · 48 km away
  8. 1.671 km SE of Pedro Bay, Alaska · 1867 days ago · 103 km deep · 27 km away
  9. 1.754 km SE of Pope-Vannoy Landing, Alaska · 1867 days ago · 124 km deep · 58 km away
  10. 1.868 km W of Happy Valley, Alaska · 1867 days ago · 113 km deep · 68 km away
  11. 1.765 km WNW of Ninilchik, Alaska · 1867 days ago · 107 km deep · 92 km away
  12. 1.970 km SE of Pedro Bay, Alaska · 1867 days ago · 105 km deep · 22 km away
  13. 1.946 km WNW of Happy Valley, Alaska · 1866 days ago · 94 km deep · 77 km away
  14. 2.156 km E of Pedro Bay, Alaska · 1866 days ago · 96 km deep · 39 km away
  15. 2.764 km E of Port Alsworth, Alaska · 1866 days ago · 141 km deep · 84 km away
  16. 1.647 km WNW of Nanwalek, Alaska · 1866 days ago · 79 km deep · 14 km away
  17. 1.929 km NE of Pedro Bay, Alaska · 1866 days ago · 157 km deep · 71 km away
  18. 2.859 km WNW of Anchor Point, Alaska · 1866 days ago · 101 km deep · 61 km away
  19. 1.666 km E of Port Alsworth, Alaska · 1866 days ago · 125 km deep · 94 km away
  20. 2.516 km ESE of Seldovia Village, Alaska · 1866 days ago · 43 km deep · 87 km away
  21. 1.628 km WNW of Ninilchik, Alaska · 1866 days ago · 83 km deep · 94 km away
  22. 1.662 km SE of Pope-Vannoy Landing, Alaska · 1865 days ago · 96 km deep · 65 km away
  23. 1.69 km S of Halibut Cove, Alaska · 1865 days ago · 5 km deep · 95 km away
  24. 2.1Southern Alaska · 1865 days ago · 102 km deep · 65 km away
  25. 1.833 km E of Pedro Bay, Alaska · 1864 days ago · 125 km deep · 54 km away
  26. 1.561 km W of Happy Valley, Alaska · 1864 days ago · 108 km deep · 63 km away
  27. 1.640 km E of Pedro Bay, Alaska · 1864 days ago · 140 km deep · 50 km away
  28. 1.561 km WNW of Nanwalek, Alaska · 1864 days ago · 99 km deep · 11 km away
  29. 1.650 km W of Anchor Point, Alaska · 1863 days ago · 84 km deep · 32 km away
  30. 1.753 km E of Pedro Bay, Alaska · 1863 days ago · 115 km deep · 32 km away
  31. 2.0Southern Alaska · 1863 days ago · 87 km deep · 22 km away
  32. 1.53 km NW of Seldovia Village, Alaska · 1863 days ago · 53 km deep · 70 km away
  33. 1.648 km WNW of Nanwalek, Alaska · 1863 days ago · 88 km deep · 14 km away
  34. 1.547 km WNW of Happy Valley, Alaska · 1863 days ago · 93 km deep · 75 km away
  35. 1.661 km SE of Pedro Bay, Alaska · 1863 days ago · 117 km deep · 31 km away
  36. 1.935 km E of Pedro Bay, Alaska · 1863 days ago · 132 km deep · 52 km away
  37. 1.849 km WNW of Happy Valley, Alaska · 1863 days ago · 106 km deep · 76 km away
  38. 1.767 km E of Port Alsworth, Alaska · 1863 days ago · 138 km deep · 95 km away
  39. 1.850 km SW of Nanwalek, Alaska · 1862 days ago · 58 km deep · 45 km away
  40. 1.638 km ENE of Pedro Bay, Alaska · 1862 days ago · 131 km deep · 56 km away
  41. 1.648 km WNW of Happy Valley, Alaska · 1862 days ago · 92 km deep · 77 km away
  42. 1.548 km ENE of Pedro Bay, Alaska · 1862 days ago · 123 km deep · 56 km away
  43. 1.551 km W of Nanwalek, Alaska · 1861 days ago · 68 km deep · 19 km away
  44. 1.653 km WNW of Nanwalek, Alaska · 1861 days ago · 88 km deep · 6 km away
  45. 1.762 km SW of Nanwalek, Alaska · 1861 days ago · 55 km deep · 51 km away
  46. 1.956 km SW of Nanwalek, Alaska · 1860 days ago · 65 km deep · 52 km away
  47. 1.943 km E of Pedro Bay, Alaska · 1860 days ago · 128 km deep · 39 km away
  48. 1.669 km SW of Nanwalek, Alaska · 1860 days ago · 67 km deep · 54 km away
  49. 1.633 km SSW of Nanwalek, Alaska · 1860 days ago · 60 km deep · 58 km away
  50. 1.969 km E of Port Alsworth, Alaska · 1860 days ago · 138 km deep · 81 km away
  51. 1.861 km SE of Pedro Bay, Alaska · 1860 days ago · 104 km deep · 35 km away
  52. 1.664 km WNW of Happy Valley, Alaska · 1860 days ago · 101 km deep · 78 km away
  53. 1.559 km WNW of Anchor Point, Alaska · 1860 days ago · 90 km deep · 58 km away
  54. 1.517 km W of Nanwalek, Alaska · 1860 days ago · 70 km deep · 41 km away
  55. 1.772 km WNW of Happy Valley, Alaska · 1860 days ago · 120 km deep · 80 km away
  56. 1.662 km WNW of Anchor Point, Alaska · 1860 days ago · 109 km deep · 51 km away
  57. 1.6Southern Alaska · 1860 days ago · 117 km deep · 78 km away
  58. 1.550 km W of Nanwalek, Alaska · 1860 days ago · 75 km deep · 11 km away
  59. 1.58 km S of Nanwalek, Alaska · 1860 days ago · 54 km deep · 62 km away
  60. 2.93 km ENE of Kachemak, Alaska · 1859 days ago · 45 km deep · 90 km away · felt by 1

The first 60 of at least 200.

Before

  1. 1.649 km WNW of Nanwalek, Alaska · 1868 days ago · 73 km deep · 18 km away
  2. 1.513 km SW of Nanwalek, Alaska · 1868 days ago · 57 km deep · 53 km away
  3. 2.317 km NW of Happy Valley, Alaska · 1868 days ago · 83 km deep · 83 km away
  4. 1.958 km ESE of Pedro Bay, Alaska · 1869 days ago · 106 km deep · 22 km away
  5. 2.752 km ENE of Pedro Bay, Alaska · 1869 days ago · 133 km deep · 68 km away
  6. 1.553 km E of Pedro Bay, Alaska · 1869 days ago · 104 km deep · 39 km away
  7. 1.659 km SW of Nanwalek, Alaska · 1869 days ago · 67 km deep · 55 km away
  8. 1.6Southern Alaska · 1869 days ago · 131 km deep · 47 km away
  9. 1.642 km SW of Nanwalek, Alaska · 1869 days ago · 67 km deep · 46 km away
  10. 1.863 km E of Pedro Bay, Alaska · 1869 days ago · 106 km deep · 38 km away
  11. 1.613 km SW of Halibut Cove, Alaska · 1870 days ago · 46 km deep · 87 km away
  12. 1.739 km E of Pedro Bay, Alaska · 1870 days ago · 137 km deep · 50 km away
  13. 1.770 km SW of Nanwalek, Alaska · 1870 days ago · 72 km deep · 50 km away
  14. 3.942 km ENE of Pedro Bay, Alaska · 1870 days ago · 149 km deep · 65 km away · felt by 1 · tsunami flag
  15. 1.688 km SE of Pope-Vannoy Landing, Alaska · 1870 days ago · 76 km deep · 57 km away
  16. 1.543 km SW of Nanwalek, Alaska · 1870 days ago · 82 km deep · 48 km away
  17. 1.565 km ESE of Pedro Bay, Alaska · 1870 days ago · 110 km deep · 18 km away
  18. 1.5Southern Alaska · 1870 days ago · 87 km deep · 40 km away
  19. 2.649 km W of Happy Valley, Alaska · 1870 days ago · 97 km deep · 66 km away
  20. 1.663 km ENE of Pedro Bay, Alaska · 1871 days ago · 116 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021ah82bb8. Read Sun, Sep 27, 2026, 6:56 AM UTC.