Alaska earthquakes

M1.8 earthquake 71 km WNW of Ninilchik, Alaska

A magnitude 1.8 earthquake struck 71 km WNW of Ninilchik, Alaska on Sun, Mar 21, 2021, 10:43 PM AKDT (06:43 UTC), 123 km (76 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
1.8 (ml), micro
Local time
UTC
2021-03-22 06:43:23 UTC
Depth
122.5 km (76.1 mi), intermediate-depth
Epicenter
60.267° N, 152.887° W
Region
Alaska
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
40

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 · 2014 days ago · 130 km deep · 54 km away · felt by 48 · tsunami flag
  2. 1.661 km ENE of Pedro Bay, Alaska · 2014 days ago · 110 km deep · 39 km away
  3. 1.682 km NE of Port Alsworth, Alaska · 2014 days ago · 139 km deep · 44 km away
  4. 1.638 km ENE of Pedro Bay, Alaska · 2014 days ago · 136 km deep · 49 km away
  5. 1.758 km ENE of Pedro Bay, Alaska · 2014 days ago · 106 km deep · 38 km away
  6. 1.625 km WNW of Nikiski, Alaska · 2014 days ago · 79 km deep · 82 km away
  7. 1.760 km ENE of Pedro Bay, Alaska · 2014 days ago · 128 km deep · 27 km away
  8. 1.643 km E of Pedro Bay, Alaska · 2013 days ago · 118 km deep · 54 km away
  9. 1.651 km W of Nanwalek, Alaska · 2013 days ago · 82 km deep · 98 km away
  10. 1.545 km WNW of Ninilchik, Alaska · 2013 days ago · 92 km deep · 27 km away
  11. 1.669 km E of Port Alsworth, Alaska · 2013 days ago · 117 km deep · 13 km away
  12. 1.613 km W of Clam Gulch, Alaska · 2013 days ago · 71 km deep · 69 km away
  13. 1.942 km ENE of Pedro Bay, Alaska · 2013 days ago · 148 km deep · 45 km away
  14. 1.681 km ENE of Port Alsworth, Alaska · 2012 days ago · 137 km deep · 37 km away
  15. 1.558 km WNW of Anchor Point, Alaska · 2012 days ago · 97 km deep · 34 km away
  16. 1.844 km WNW of Nanwalek, Alaska · 2012 days ago · 70 km deep · 92 km away
  17. 1.714 km ESE of Ninilchik, Alaska · 2012 days ago · 47 km deep · 86 km away
  18. 1.622 km ESE of Ninilchik, Alaska · 2012 days ago · 46 km deep · 94 km away
  19. 1.527 km NNW of Ninilchik, Alaska · 2012 days ago · 71 km deep · 56 km away
  20. 1.67 km NNE of Kalifornsky, Alaska · 2012 days ago · 74 km deep · 94 km away
  21. 1.525 km W of Happy Valley, Alaska · 2012 days ago · 90 km deep · 51 km away
  22. 1.553 km W of Nanwalek, Alaska · 2011 days ago · 86 km deep · 94 km away
  23. 1.970 km ENE of Pedro Bay, Alaska · 2011 days ago · 111 km deep · 20 km away
  24. 1.868 km WNW of Happy Valley, Alaska · 2011 days ago · 120 km deep · 21 km away
  25. 1.847 km W of Kalifornsky, Alaska · 2011 days ago · 103 km deep · 47 km away
  26. 1.853 km E of Pedro Bay, Alaska · 2011 days ago · 102 km deep · 60 km away
  27. 1.715 km NW of Nikiski, Alaska · 2011 days ago · 69 km deep · 97 km away
  28. 1.670 km ENE of Pedro Bay, Alaska · 2011 days ago · 108 km deep · 21 km away
  29. 2.01 km ENE of Nikolaevsk, Alaska · 2011 days ago · 47 km deep · 88 km away
  30. 1.670 km WNW of Nikiski, Alaska · 2011 days ago · 118 km deep · 73 km away
  31. 1.553 km WNW of Happy Valley, Alaska · 2010 days ago · 93 km deep · 21 km away
  32. 1.858 km WNW of Happy Valley, Alaska · 2010 days ago · 90 km deep · 20 km away
  33. 2.465 km WSW of Salamatof, Alaska · 2010 days ago · 99 km deep · 33 km away
  34. 2.1Kenai Peninsula, Alaska · 2009 days ago · 75 km deep · 76 km away
  35. 1.665 km ESE of Pedro Bay, Alaska · 2009 days ago · 108 km deep · 75 km away
  36. 2.025 km E of Pedro Bay, Alaska · 2009 days ago · 139 km deep · 66 km away
  37. 1.657 km WNW of Ninilchik, Alaska · 2009 days ago · 103 km deep · 15 km away
  38. 1.649 km WNW of Anchor Point, Alaska · 2009 days ago · 98 km deep · 37 km away
  39. 1.646 km ENE of Pedro Bay, Alaska · 2009 days ago · 127 km deep · 45 km away
  40. 2.345 km NE of Pedro Bay, Alaska · 2009 days ago · 161 km deep · 42 km away
  41. 1.650 km WNW of Anchor Point, Alaska · 2008 days ago · 85 km deep · 38 km away
  42. 1.857 km WNW of Nanwalek, Alaska · 2008 days ago · 100 km deep · 81 km away
  43. 1.7Southern Alaska · 2008 days ago · 96 km deep · 21 km away
  44. 2.067 km ENE of Pedro Bay, Alaska · 2008 days ago · 129 km deep · 22 km away
  45. 1.522 km W of Kalifornsky, Alaska · 2008 days ago · 77 km deep · 68 km away
  46. 1.947 km E of Pedro Bay, Alaska · 2008 days ago · 113 km deep · 56 km away
  47. 1.944 km W of Tyonek, Alaska · 2008 days ago · 87 km deep · 97 km away
  48. 2.050 km E of Port Alsworth, Alaska · 2008 days ago · 148 km deep · 31 km away
  49. 1.661 km E of Port Alsworth, Alaska · 2008 days ago · 138 km deep · 18 km away
  50. 1.543 km W of Kalifornsky, Alaska · 2008 days ago · 89 km deep · 50 km away
  51. 1.557 km WNW of Anchor Point, Alaska · 2007 days ago · 109 km deep · 37 km away
  52. 1.932 km WNW of Nikiski, Alaska · 2007 days ago · 83 km deep · 83 km away
  53. 1.618 km NW of Anchor Point, Alaska · 2007 days ago · 77 km deep · 62 km away
  54. 2.551 km E of Port Alsworth, Alaska · 2007 days ago · 150 km deep · 29 km away
  55. 1.751 km E of Pedro Bay, Alaska · 2007 days ago · 111 km deep · 50 km away
  56. 1.731 km W of Nikiski, Alaska · 2007 days ago · 78 km deep · 75 km away
  57. 2.540 km WSW of Anchor Point, Alaska · 2007 days ago · 71 km deep · 66 km away
  58. 1.663 km E of Pedro Bay, Alaska · 2007 days ago · 103 km deep · 48 km away
  59. 1.649 km NW of Ninilchik, Alaska · 2007 days ago · 89 km deep · 28 km away
  60. 1.854 km WNW of Ninilchik, Alaska · 2006 days ago · 100 km deep · 18 km away

The first 60 of at least 201.

Before

  1. 1.5Southern Alaska · 2015 days ago · 140 km deep · 12 km away
  2. 1.632 km WNW of Nikiski, Alaska · 2015 days ago · 75 km deep · 78 km away
  3. 2.244 km ENE of Pedro Bay, Alaska · 2015 days ago · 137 km deep · 49 km away
  4. 2.361 km WNW of Happy Valley, Alaska · 2015 days ago · 104 km deep · 16 km away
  5. 1.846 km WNW of Ninilchik, Alaska · 2015 days ago · 91 km deep · 29 km away
  6. 1.543 km W of Happy Valley, Alaska · 2015 days ago · 80 km deep · 35 km away
  7. 1.877 km WNW of Nikiski, Alaska · 2015 days ago · 118 km deep · 73 km away
  8. 2.567 km ENE of Port Alsworth, Alaska · 2015 days ago · 137 km deep · 19 km away
  9. 1.651 km NW of Ninilchik, Alaska · 2015 days ago · 87 km deep · 28 km away
  10. 1.859 km E of Port Alsworth, Alaska · 2015 days ago · 138 km deep · 24 km away
  11. 2.386 km W of Salamatof, Alaska · 2015 days ago · 132 km deep · 50 km away
  12. 1.526 km W of Salamatof, Alaska · 2015 days ago · 79 km deep · 71 km away
  13. 1.769 km W of Tyonek, Alaska · 2016 days ago · 115 km deep · 91 km away
  14. 1.920 km WNW of Nikiski, Alaska · 2016 days ago · 79 km deep · 87 km away
  15. 1.656 km W of Happy Valley, Alaska · 2016 days ago · 97 km deep · 29 km away
  16. 1.673 km WNW of Happy Valley, Alaska · 2016 days ago · 106 km deep · 11 km away
  17. 1.646 km E of Pedro Bay, Alaska · 2016 days ago · 117 km deep · 54 km away
  18. 1.676 km NW of Ninilchik, Alaska · 2016 days ago · 114 km deep · 22 km away
  19. 1.545 km NW of Ninilchik, Alaska · 2016 days ago · 88 km deep · 34 km away
  20. 1.742 km W of Salamatof, Alaska · 2017 days ago · 81 km deep · 62 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213q2cz74. Read Sat, Sep 26, 2026, 3:16 PM UTC.