Alaska earthquakes

M1.7 earthquake 37 km W of Nanwalek, Alaska

A magnitude 1.7 earthquake struck 37 km W of Nanwalek, Alaska on Sun, Mar 21, 2021, 3:11 PM AKDT (23:11 UTC), 67 km (41 mi) below the surface.

A larger quake followed: M4.2 41 km E 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
2021-03-21 23:11:28 UTC
Depth
66.5 km (41.3 mi), shallow
Epicenter
59.294° N, 152.560° 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
59

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

After

  1. 4.241 km E of Pedro Bay, Alaska · 2015 days ago · 130 km deep · 76 km away · felt by 48 · tsunami flag
  2. 1.661 km ENE of Pedro Bay, Alaska · 2015 days ago · 110 km deep · 75 km away
  3. 1.638 km ENE of Pedro Bay, Alaska · 2015 days ago · 136 km deep · 89 km away
  4. 1.758 km ENE of Pedro Bay, Alaska · 2015 days ago · 106 km deep · 79 km away
  5. 1.663 km SE of Kokhanok, Alaska · 2014 days ago · 113 km deep · 94 km away
  6. 1.760 km ENE of Pedro Bay, Alaska · 2014 days ago · 128 km deep · 92 km away
  7. 1.643 km E of Pedro Bay, Alaska · 2014 days ago · 118 km deep · 74 km away
  8. 1.651 km W of Nanwalek, Alaska · 2014 days ago · 82 km deep · 18 km away
  9. 1.874 km WSW of Nanwalek, Alaska · 2014 days ago · 68 km deep · 40 km away
  10. 1.772 km S of Nanwalek, Alaska · 2014 days ago · 4 km deep · 68 km away
  11. 1.942 km ENE of Pedro Bay, Alaska · 2014 days ago · 148 km deep · 90 km away
  12. 1.57 km N of Nanwalek, Alaska · 2013 days ago · 59 km deep · 40 km away
  13. 1.558 km WNW of Anchor Point, Alaska · 2013 days ago · 97 km deep · 75 km away
  14. 1.844 km WNW of Nanwalek, Alaska · 2013 days ago · 70 km deep · 18 km away
  15. 1.714 km ESE of Ninilchik, Alaska · 2013 days ago · 47 km deep · 99 km away
  16. 1.953 km S of Port Graham, Alaska · 2013 days ago · 52 km deep · 68 km away
  17. 1.525 km W of Happy Valley, Alaska · 2012 days ago · 90 km deep · 78 km away
  18. 1.553 km W of Nanwalek, Alaska · 2012 days ago · 86 km deep · 22 km away
  19. 1.970 km ENE of Pedro Bay, Alaska · 2012 days ago · 111 km deep · 92 km away
  20. 1.868 km WNW of Happy Valley, Alaska · 2012 days ago · 120 km deep · 90 km away
  21. 1.853 km E of Pedro Bay, Alaska · 2012 days ago · 102 km deep · 61 km away
  22. 1.670 km ENE of Pedro Bay, Alaska · 2012 days ago · 108 km deep · 92 km away
  23. 2.01 km ENE of Nikolaevsk, Alaska · 2011 days ago · 47 km deep · 80 km away
  24. 1.553 km WNW of Happy Valley, Alaska · 2011 days ago · 93 km deep · 93 km away
  25. 1.858 km WNW of Happy Valley, Alaska · 2011 days ago · 90 km deep · 90 km away
  26. 1.540 km SSW of Nanwalek, Alaska · 2010 days ago · 59 km deep · 38 km away
  27. 1.665 km ESE of Pedro Bay, Alaska · 2010 days ago · 108 km deep · 42 km away
  28. 2.025 km E of Pedro Bay, Alaska · 2010 days ago · 139 km deep · 85 km away
  29. 1.649 km WNW of Anchor Point, Alaska · 2010 days ago · 98 km deep · 74 km away
  30. 1.646 km ENE of Pedro Bay, Alaska · 2010 days ago · 127 km deep · 81 km away
  31. 1.768 km SE of Pedro Bay, Alaska · 2009 days ago · 82 km deep · 37 km away
  32. 1.650 km WNW of Anchor Point, Alaska · 2009 days ago · 85 km deep · 72 km away
  33. 1.857 km WNW of Nanwalek, Alaska · 2009 days ago · 100 km deep · 32 km away
  34. 1.7Southern Alaska · 2009 days ago · 96 km deep · 95 km away
  35. 2.067 km ENE of Pedro Bay, Alaska · 2009 days ago · 129 km deep · 93 km away
  36. 2.342 km SW of Nanwalek, Alaska · 2009 days ago · 76 km deep · 25 km away
  37. 1.947 km E of Pedro Bay, Alaska · 2009 days ago · 113 km deep · 69 km away
  38. 1.557 km WNW of Anchor Point, Alaska · 2008 days ago · 109 km deep · 73 km away
  39. 1.932 km SE of Port Graham, Alaska · 2008 days ago · 66 km deep · 67 km away
  40. 1.618 km NW of Anchor Point, Alaska · 2008 days ago · 77 km deep · 69 km away
  41. 1.642 km SSW of Nanwalek, Alaska · 2008 days ago · 62 km deep · 33 km away
  42. 1.659 km W of Nanwalek, Alaska · 2008 days ago · 94 km deep · 23 km away
  43. 1.751 km E of Pedro Bay, Alaska · 2008 days ago · 111 km deep · 70 km away
  44. 1.641 km ESE of Pope-Vannoy Landing, Alaska · 2007 days ago · 102 km deep · 72 km away
  45. 2.540 km WSW of Anchor Point, Alaska · 2007 days ago · 71 km deep · 45 km away
  46. 1.663 km E of Pedro Bay, Alaska · 2007 days ago · 103 km deep · 65 km away
  47. 1.854 km WNW of Ninilchik, Alaska · 2007 days ago · 100 km deep · 99 km away
  48. 1.531 km W of Nanwalek, Alaska · 2007 days ago · 68 km deep · 6 km away
  49. 1.812 km NW of Anchor Point, Alaska · 2007 days ago · 75 km deep · 72 km away
  50. 1.753 km E of Pedro Bay, Alaska · 2007 days ago · 116 km deep · 71 km away
  51. 1.6Kodiak Island region, Alaska · 2007 days ago · 12 km deep · 76 km away
  52. 1.964 km W of Happy Valley, Alaska · 2007 days ago · 114 km deep · 87 km away
  53. 1.725 km W of Anchor Point, Alaska · 2006 days ago · 77 km deep · 52 km away
  54. 2.952 km W of Nanwalek, Alaska · 2006 days ago · 84 km deep · 17 km away
  55. 1.781 km SE of Pope-Vannoy Landing, Alaska · 2006 days ago · 6 km deep · 74 km away
  56. 2.653 km E of Pedro Bay, Alaska · 2006 days ago · 106 km deep · 59 km away
  57. 1.678 km WSW of Nanwalek, Alaska · 2006 days ago · 72 km deep · 42 km away
  58. 2.854 km W of Happy Valley, Alaska · 2006 days ago · 81 km deep · 79 km away
  59. 1.858 km W of Happy Valley, Alaska · 2006 days ago · 90 km deep · 82 km away
  60. 2.149 km WNW of Nanwalek, Alaska · 2005 days ago · 91 km deep · 22 km away

The first 60 of at least 201.

Before

  1. 2.244 km ENE of Pedro Bay, Alaska · 2016 days ago · 137 km deep · 79 km away
  2. 2.361 km WNW of Happy Valley, Alaska · 2016 days ago · 104 km deep · 95 km away
  3. 1.543 km W of Happy Valley, Alaska · 2016 days ago · 80 km deep · 80 km away
  4. 2.1Kodiak Island region, Alaska · 2016 days ago · 74 km deep · 52 km away
  5. 1.656 km W of Happy Valley, Alaska · 2017 days ago · 97 km deep · 81 km away
  6. 1.646 km E of Pedro Bay, Alaska · 2017 days ago · 117 km deep · 72 km away
  7. 2.547 km E of Pedro Bay, Alaska · 2018 days ago · 122 km deep · 74 km away
  8. 1.883 km NNW of Aleneva, Alaska · 2018 days ago · 4 km deep · 90 km away
  9. 1.56 km N of Anchor Point, Alaska · 2018 days ago · 66 km deep · 73 km away
  10. 1.640 km W of Nanwalek, Alaska · 2018 days ago · 89 km deep · 13 km away
  11. 1.656 km E of Pedro Bay, Alaska · 2018 days ago · 102 km deep · 61 km away
  12. 1.560 km ENE of Pedro Bay, Alaska · 2018 days ago · 10 km deep · 89 km away
  13. 1.764 km ENE of Pedro Bay, Alaska · 2018 days ago · 108 km deep · 85 km away
  14. 1.865 km ENE of Pedro Bay, Alaska · 2018 days ago · 120 km deep · 81 km away
  15. 1.6Kenai Peninsula, Alaska · 2018 days ago · 52 km deep · 53 km away
  16. 1.862 km WNW of Anchor Point, Alaska · 2018 days ago · 105 km deep · 81 km away
  17. 1.962 km ESE of Pedro Bay, Alaska · 2018 days ago · 110 km deep · 50 km away
  18. 1.928 km SE of Pedro Bay, Alaska · 2018 days ago · 123 km deep · 75 km away
  19. 1.858 km SE of Pedro Bay, Alaska · 2018 days ago · 101 km deep · 47 km away
  20. 2.232 km W of Nanwalek, Alaska · 2019 days ago · 70 km deep · 9 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213oor5eb. Read Sun, Sep 27, 2026, 10:27 AM UTC.