Alaska earthquakes

M1.6 earthquake 51 km NW of Ninilchik, Alaska

A magnitude 1.6 earthquake struck 51 km NW of Ninilchik, Alaska on Sun, Mar 21, 2021, 4:09 AM AKDT (12:09 UTC), 87 km (54 mi) below the surface.

A larger quake followed: M4.2 41 km E of Pedro Bay, Alaska. This one was a foreshock.

Ninilchik forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (ml), micro
Local time
UTC
2021-03-21 12:09:24 UTC
Depth
87.1 km (54.1 mi), intermediate-depth
Epicenter
60.330° N, 152.399° 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 201 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 2.567 km ENE of Port Alsworth, Alaska · 2015 days ago · 137 km deep · 42 km away
  2. 1.877 km WNW of Nikiski, Alaska · 2015 days ago · 118 km deep · 66 km away
  3. 1.543 km W of Happy Valley, Alaska · 2015 days ago · 80 km deep · 35 km away
  4. 1.846 km WNW of Ninilchik, Alaska · 2015 days ago · 91 km deep · 6 km away
  5. 2.361 km WNW of Happy Valley, Alaska · 2015 days ago · 104 km deep · 29 km away
  6. 2.244 km ENE of Pedro Bay, Alaska · 2015 days ago · 137 km deep · 72 km away
  7. 1.632 km WNW of Nikiski, Alaska · 2015 days ago · 75 km deep · 55 km away
  8. 1.5Southern Alaska · 2015 days ago · 140 km deep · 39 km away
  9. 1.871 km WNW of Ninilchik, Alaska · 2014 days ago · 123 km deep · 28 km away · felt by 1
  10. 4.241 km E of Pedro Bay, Alaska · 2014 days ago · 130 km deep · 76 km away · felt by 48 · tsunami flag
  11. 1.661 km ENE of Pedro Bay, Alaska · 2014 days ago · 110 km deep · 57 km away
  12. 1.682 km NE of Port Alsworth, Alaska · 2014 days ago · 139 km deep · 53 km away
  13. 1.638 km ENE of Pedro Bay, Alaska · 2014 days ago · 136 km deep · 74 km away
  14. 1.758 km ENE of Pedro Bay, Alaska · 2014 days ago · 106 km deep · 58 km away
  15. 1.625 km WNW of Nikiski, Alaska · 2014 days ago · 79 km deep · 58 km away
  16. 1.760 km ENE of Pedro Bay, Alaska · 2014 days ago · 128 km deep · 52 km away
  17. 1.643 km E of Pedro Bay, Alaska · 2014 days ago · 118 km deep · 75 km away
  18. 1.545 km WNW of Ninilchik, Alaska · 2013 days ago · 92 km deep · 13 km away
  19. 1.669 km E of Port Alsworth, Alaska · 2013 days ago · 117 km deep · 40 km away
  20. 1.613 km W of Clam Gulch, Alaska · 2013 days ago · 71 km deep · 43 km away
  21. 1.942 km ENE of Pedro Bay, Alaska · 2013 days ago · 148 km deep · 70 km away
  22. 1.681 km ENE of Port Alsworth, Alaska · 2012 days ago · 137 km deep · 46 km away
  23. 1.558 km WNW of Anchor Point, Alaska · 2012 days ago · 97 km deep · 47 km away
  24. 1.844 km WNW of Nanwalek, Alaska · 2012 days ago · 70 km deep · 100 km away
  25. 1.714 km ESE of Ninilchik, Alaska · 2012 days ago · 47 km deep · 66 km away
  26. 1.622 km ESE of Ninilchik, Alaska · 2012 days ago · 46 km deep · 73 km away
  27. 1.527 km NNW of Ninilchik, Alaska · 2012 days ago · 71 km deep · 29 km away
  28. 1.719 km W of Tyonek, Alaska · 2012 days ago · 74 km deep · 93 km away
  29. 1.67 km NNE of Kalifornsky, Alaska · 2012 days ago · 74 km deep · 67 km away
  30. 1.525 km W of Happy Valley, Alaska · 2012 days ago · 90 km deep · 42 km away
  31. 1.970 km ENE of Pedro Bay, Alaska · 2011 days ago · 111 km deep · 42 km away
  32. 1.868 km WNW of Happy Valley, Alaska · 2011 days ago · 120 km deep · 41 km away
  33. 1.847 km W of Kalifornsky, Alaska · 2011 days ago · 103 km deep · 22 km away
  34. 2.06 km N of Ridgeway, Alaska · 2011 days ago · 63 km deep · 78 km away
  35. 1.853 km E of Pedro Bay, Alaska · 2011 days ago · 102 km deep · 78 km away
  36. 1.715 km NW of Nikiski, Alaska · 2011 days ago · 69 km deep · 72 km away
  37. 1.670 km ENE of Pedro Bay, Alaska · 2011 days ago · 108 km deep · 43 km away
  38. 2.01 km ENE of Nikolaevsk, Alaska · 2011 days ago · 47 km deep · 73 km away
  39. 1.670 km WNW of Nikiski, Alaska · 2011 days ago · 118 km deep · 63 km away
  40. 2.217 km W of Tyonek, Alaska · 2010 days ago · 71 km deep · 98 km away
  41. 1.553 km WNW of Happy Valley, Alaska · 2010 days ago · 93 km deep · 26 km away
  42. 1.858 km WNW of Happy Valley, Alaska · 2010 days ago · 90 km deep · 32 km away
  43. 1.613 km N of Fox River, Alaska · 2010 days ago · 55 km deep · 87 km away
  44. 2.465 km WSW of Salamatof, Alaska · 2010 days ago · 99 km deep · 19 km away
  45. 2.1Kenai Peninsula, Alaska · 2009 days ago · 75 km deep · 51 km away
  46. 1.665 km ESE of Pedro Bay, Alaska · 2009 days ago · 108 km deep · 88 km away
  47. 2.025 km E of Pedro Bay, Alaska · 2009 days ago · 139 km deep · 90 km away
  48. 1.657 km WNW of Ninilchik, Alaska · 2009 days ago · 103 km deep · 14 km away
  49. 1.649 km WNW of Anchor Point, Alaska · 2009 days ago · 98 km deep · 44 km away
  50. 1.646 km ENE of Pedro Bay, Alaska · 2009 days ago · 127 km deep · 68 km away
  51. 2.345 km NE of Pedro Bay, Alaska · 2009 days ago · 161 km deep · 69 km away
  52. 1.650 km WNW of Anchor Point, Alaska · 2008 days ago · 85 km deep · 45 km away
  53. 1.857 km WNW of Nanwalek, Alaska · 2008 days ago · 100 km deep · 92 km away
  54. 1.7Southern Alaska · 2008 days ago · 96 km deep · 23 km away
  55. 2.067 km ENE of Pedro Bay, Alaska · 2008 days ago · 129 km deep · 45 km away
  56. 1.522 km W of Kalifornsky, Alaska · 2008 days ago · 77 km deep · 41 km away
  57. 1.947 km E of Pedro Bay, Alaska · 2008 days ago · 113 km deep · 76 km away
  58. 1.944 km W of Tyonek, Alaska · 2008 days ago · 87 km deep · 80 km away
  59. 2.050 km E of Port Alsworth, Alaska · 2008 days ago · 148 km deep · 59 km away
  60. 1.661 km E of Port Alsworth, Alaska · 2008 days ago · 138 km deep · 46 km away

The first 60 of at least 201.

Before

  1. 1.859 km E of Port Alsworth, Alaska · 2015 days ago · 138 km deep · 51 km away
  2. 2.386 km W of Salamatof, Alaska · 2015 days ago · 132 km deep · 51 km away
  3. 1.526 km W of Salamatof, Alaska · 2015 days ago · 79 km deep · 45 km away
  4. 1.769 km W of Tyonek, Alaska · 2016 days ago · 115 km deep · 81 km away
  5. 1.920 km WNW of Nikiski, Alaska · 2016 days ago · 79 km deep · 63 km away
  6. 1.656 km W of Happy Valley, Alaska · 2016 days ago · 97 km deep · 40 km away
  7. 1.673 km WNW of Happy Valley, Alaska · 2016 days ago · 106 km deep · 36 km away
  8. 1.646 km E of Pedro Bay, Alaska · 2016 days ago · 117 km deep · 74 km away
  9. 1.676 km NW of Ninilchik, Alaska · 2016 days ago · 114 km deep · 26 km away
  10. 1.545 km NW of Ninilchik, Alaska · 2017 days ago · 88 km deep · 6 km away
  11. 1.742 km W of Salamatof, Alaska · 2017 days ago · 81 km deep · 41 km away
  12. 1.759 km E of Port Alsworth, Alaska · 2017 days ago · 129 km deep · 50 km away
  13. 2.421 km NNW of Fox River, Alaska · 2017 days ago · 59 km deep · 79 km away
  14. 1.646 km NW of Ninilchik, Alaska · 2017 days ago · 91 km deep · 9 km away
  15. 2.547 km E of Pedro Bay, Alaska · 2017 days ago · 122 km deep · 72 km away
  16. 1.56 km N of Anchor Point, Alaska · 2017 days ago · 66 km deep · 63 km away
  17. 1.656 km E of Pedro Bay, Alaska · 2017 days ago · 102 km deep · 73 km away
  18. 1.560 km ENE of Pedro Bay, Alaska · 2017 days ago · 10 km deep · 53 km away
  19. 1.764 km ENE of Pedro Bay, Alaska · 2017 days ago · 108 km deep · 50 km away
  20. 1.865 km ENE of Pedro Bay, Alaska · 2017 days ago · 120 km deep · 50 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213oi6y41. Read Sat, Sep 26, 2026, 4:08 PM UTC.