Alaska earthquakes

M1.7 earthquake 31 km W of Nanwalek, Alaska

A magnitude 1.7 earthquake struck 31 km W of Nanwalek, Alaska on Fri, Oct 15, 2021, 2:49 AM AKDT (10:49 UTC), 64 km (40 mi) below the surface.

A larger quake followed: M4.0 57 km ESE of Pedro Bay, 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
1.7 (ml), micro
Local time
UTC
2021-10-15 10:49:10 UTC
Depth
63.7 km (39.6 mi), shallow
Epicenter
59.342° N, 152.480° 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
67

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

After

  1. 1.950 km ENE of Pedro Bay, Alaska · 1811 days ago · 120 km deep · 81 km away
  2. 1.726 km WNW of Nanwalek, Alaska · 1811 days ago · 83 km deep · 14 km away
  3. 2.169 km W of Nanwalek, Alaska · 1811 days ago · 90 km deep · 38 km away
  4. 1.679 km WSW of Nanwalek, Alaska · 1811 days ago · 72 km deep · 53 km away
  5. 1.742 km ESE of Pedro Bay, Alaska · 1811 days ago · 113 km deep · 62 km away
  6. 1.960 km W of Anchor Point, Alaska · 1811 days ago · 101 km deep · 59 km away
  7. 1.611 km SE of Port Graham, Alaska · 1810 days ago · 58 km deep · 45 km away
  8. 1.943 km ENE of Pedro Bay, Alaska · 1810 days ago · 134 km deep · 88 km away
  9. 2.440 km ENE of Pedro Bay, Alaska · 1810 days ago · 123 km deep · 87 km away
  10. 1.643 km ESE of Pedro Bay, Alaska · 1810 days ago · 112 km deep · 61 km away
  11. 1.592 km SE of Kokhanok, Alaska · 1810 days ago · 9 km deep · 86 km away
  12. 1.855 km WSW of Anchor Point, Alaska · 1810 days ago · 86 km deep · 41 km away
  13. 2.062 km SE of Pope-Vannoy Landing, Alaska · 1810 days ago · 84 km deep · 63 km away
  14. 1.732 km NW of Nanwalek, Alaska · 1810 days ago · 73 km deep · 26 km away
  15. 2.978 km NNW of Aleneva, Alaska · 1810 days ago · 63 km deep · 78 km away
  16. 2.238 km ENE of Pedro Bay, Alaska · 1810 days ago · 129 km deep · 82 km away
  17. 1.765 km WNW of Nanwalek, Alaska · 1810 days ago · 99 km deep · 40 km away
  18. 1.752 km E of Pedro Bay, Alaska · 1810 days ago · 129 km deep · 61 km away
  19. 1.53 km WNW of Happy Valley, Alaska · 1810 days ago · 62 km deep · 79 km away
  20. 1.552 km E of Pedro Bay, Alaska · 1809 days ago · 109 km deep · 58 km away
  21. 1.639 km ESE of Pedro Bay, Alaska · 1809 days ago · 120 km deep · 65 km away
  22. 1.745 km E of Pedro Bay, Alaska · 1809 days ago · 119 km deep · 72 km away
  23. 2.480 km N of Aleneva, Alaska · 1809 days ago · 62 km deep · 65 km away
  24. 1.933 km WSW of Anchor Point, Alaska · 1808 days ago · 65 km deep · 34 km away
  25. 2.0Southern Alaska · 1808 days ago · 96 km deep · 65 km away
  26. 1.866 km ENE of Pedro Bay, Alaska · 1808 days ago · 102 km deep · 85 km away
  27. 1.628 km WSW of Anchor Point, Alaska · 1808 days ago · 68 km deep · 42 km away
  28. 2.953 km W of Anchor Point, Alaska · 1808 days ago · 97 km deep · 57 km away
  29. 1.76 km NW of Ninilchik, Alaska · 1808 days ago · 46 km deep · 93 km away
  30. 1.850 km N of Aleneva, Alaska · 1807 days ago · 60 km deep · 94 km away
  31. 2.131 km ENE of Pedro Bay, Alaska · 1807 days ago · 137 km deep · 87 km away
  32. 1.962 km WNW of Ninilchik, Alaska · 1807 days ago · 110 km deep · 97 km away
  33. 2.860 km W of Anchor Point, Alaska · 1807 days ago · 104 km deep · 58 km away
  34. 1.690 km NNW of Aleneva, Alaska · 1807 days ago · 81 km deep · 99 km away
  35. 2.269 km WNW of Happy Valley, Alaska · 1807 days ago · 105 km deep · 89 km away
  36. 2.146 km ENE of Pedro Bay, Alaska · 1807 days ago · 126 km deep · 77 km away
  37. 1.717 km NNW of Nanwalek, Alaska · 1807 days ago · 62 km deep · 29 km away
  38. 1.6Southern Alaska · 1807 days ago · 68 km deep · 35 km away
  39. 1.966 km WNW of Nanwalek, Alaska · 1807 days ago · 97 km deep · 37 km away
  40. 1.864 km S of Port Graham, Alaska · 1807 days ago · 37 km deep · 72 km away
  41. 1.66 km E of Halibut Cove, Alaska · 1807 days ago · 45 km deep · 83 km away
  42. 1.638 km ENE of Pedro Bay, Alaska · 1806 days ago · 130 km deep · 81 km away
  43. 2.161 km WNW of Happy Valley, Alaska · 1806 days ago · 93 km deep · 83 km away
  44. 1.742 km WNW of Nanwalek, Alaska · 1806 days ago · 83 km deep · 19 km away
  45. 1.524 km SW of Nanwalek, Alaska · 1806 days ago · 60 km deep · 19 km away
  46. 1.756 km WNW of Anchor Point, Alaska · 1806 days ago · 96 km deep · 68 km away
  47. 1.873 km WSW of Nanwalek, Alaska · 1806 days ago · 74 km deep · 44 km away
  48. 1.858 km WNW of Anchor Point, Alaska · 1806 days ago · 95 km deep · 70 km away
  49. 2.361 km WNW of Nanwalek, Alaska · 1806 days ago · 87 km deep · 35 km away
  50. 2.064 km SE of Kokhanok, Alaska · 1806 days ago · 102 km deep · 95 km away
  51. 1.8Southern Alaska · 1806 days ago · 112 km deep · 86 km away
  52. 1.769 km E of Port Alsworth, Alaska · 1805 days ago · 118 km deep · 96 km away
  53. 2.363 km SW of Nanwalek, Alaska · 1805 days ago · 60 km deep · 40 km away
  54. 1.640 km W of Anchor Point, Alaska · 1805 days ago · 70 km deep · 43 km away
  55. 3.149 km ENE of Pedro Bay, Alaska · 1805 days ago · 122 km deep · 83 km away
  56. 1.960 km SE of Pope-Vannoy Landing, Alaska · 1805 days ago · 95 km deep · 71 km away
  57. 1.541 km NW of Nanwalek, Alaska · 1805 days ago · 67 km deep · 27 km away
  58. 1.915 km WSW of Nanwalek, Alaska · 1805 days ago · 79 km deep · 18 km away
  59. 2.654 km W of Nanwalek, Alaska · 1804 days ago · 80 km deep · 23 km away
  60. 1.576 km SW of Nanwalek, Alaska · 1804 days ago · 60 km deep · 60 km away

The first 60 of at least 202.

Before

  1. 1.547 km WNW of Anchor Point, Alaska · 1811 days ago · 84 km deep · 59 km away
  2. 2.035 km ENE of Pedro Bay, Alaska · 1811 days ago · 119 km deep · 88 km away
  3. 1.535 km WNW of Ninilchik, Alaska · 1811 days ago · 74 km deep · 92 km away
  4. 1.653 km SE of Pope-Vannoy Landing, Alaska · 1811 days ago · 105 km deep · 70 km away
  5. 2.346 km WSW of Anchor Point, Alaska · 1811 days ago · 80 km deep · 35 km away
  6. 1.735 km E of Pedro Bay, Alaska · 1812 days ago · 129 km deep · 73 km away
  7. 1.839 km E of Pedro Bay, Alaska · 1812 days ago · 133 km deep · 69 km away
  8. 2.248 km W of Happy Valley, Alaska · 1812 days ago · 96 km deep · 74 km away
  9. 1.871 km E of Port Alsworth, Alaska · 1812 days ago · 131 km deep · 100 km away
  10. 1.658 km WSW of Nanwalek, Alaska · 1812 days ago · 81 km deep · 27 km away
  11. 1.670 km E of Port Alsworth, Alaska · 1812 days ago · 121 km deep · 98 km away
  12. 1.645 km ESE of Pedro Bay, Alaska · 1812 days ago · 109 km deep · 60 km away
  13. 3.560 km SE of Kokhanok, Alaska · 1812 days ago · 107 km deep · 95 km away · felt by 2
  14. 1.825 km WNW of Ninilchik, Alaska · 1813 days ago · 70 km deep · 93 km away
  15. 1.852 km ENE of Pedro Bay, Alaska · 1813 days ago · 118 km deep · 77 km away
  16. 2.142 km ENE of Pedro Bay, Alaska · 1813 days ago · 132 km deep · 87 km away
  17. 1.570 km E of Port Alsworth, Alaska · 1813 days ago · 116 km deep · 100 km away
  18. 1.762 km ENE of Pedro Bay, Alaska · 1813 days ago · 120 km deep · 74 km away
  19. 1.566 km SE of Pedro Bay, Alaska · 1813 days ago · 94 km deep · 43 km away
  20. 1.647 km WNW of Nanwalek, Alaska · 1813 days ago · 78 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021d8h0t37. Read Wed, Sep 30, 2026, 9:02 AM UTC.