Alaska earthquakes

M1.9 earthquake 23 km WNW of Tyonek, Alaska

A magnitude 1.9 earthquake struck 23 km WNW of Tyonek, Alaska on Sun, Mar 28, 2021, 7:17 PM AKDT (03:17 UTC), 77 km (48 mi) below the surface.

A larger quake followed: M4.8 Southern Alaska. This one was a foreshock.

Nikiski 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
1.9 (ml), micro
Local time
UTC
2021-03-29 03:17:47 UTC
Depth
77.2 km (48.0 mi), intermediate-depth
Epicenter
61.123° N, 151.565° 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
44

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 170 in the 30 days before it.

After

  1. 1.932 km WNW of Nikiski, Alaska · 2009 days ago · 83 km deep · 38 km away
  2. 1.914 km WNW of Point Possession, Alaska · 2009 days ago · 26 km deep · 38 km away
  3. 1.73 km SSW of Big Lake, Alaska · 2009 days ago · 37 km deep · 94 km away
  4. 1.614 km SW of Susitna, Alaska · 2008 days ago · 55 km deep · 59 km away
  5. 1.731 km W of Nikiski, Alaska · 2008 days ago · 78 km deep · 48 km away
  6. 1.53 km WNW of Ridgeway, Alaska · 2008 days ago · 61 km deep · 68 km away
  7. 1.939 km S of Skwentna, Alaska · 2008 days ago · 75 km deep · 58 km away
  8. 1.735 km SSW of Skwentna, Alaska · 2007 days ago · 104 km deep · 64 km away
  9. 1.629 km W of Salamatof, Alaska · 2007 days ago · 75 km deep · 61 km away
  10. 1.980 km W of Salamatof, Alaska · 2007 days ago · 112 km deep · 93 km away
  11. 2.367 km W of Tyonek, Alaska · 2006 days ago · 111 km deep · 45 km away
  12. 1.639 km WNW of Tyonek, Alaska · 2006 days ago · 88 km deep · 15 km away
  13. 1.549 km NW of Beluga, Alaska · 2006 days ago · 83 km deep · 40 km away
  14. 2.63 km SSE of Big Lake, Alaska · 2006 days ago · 36 km deep · 97 km away
  15. 2.23 km SSE of Big Lake, Alaska · 2006 days ago · 38 km deep · 96 km away
  16. 1.621 km W of Salamatof, Alaska · 2006 days ago · 90 km deep · 56 km away
  17. 1.723 km NNW of Susitna, Alaska · 2005 days ago · 52 km deep · 85 km away
  18. 1.758 km WNW of Nikiski, Alaska · 2005 days ago · 99 km deep · 51 km away
  19. 1.885 km W of Salamatof, Alaska · 2005 days ago · 5 km deep · 83 km away
  20. 1.633 km WNW of Nikiski, Alaska · 2005 days ago · 83 km deep · 44 km away
  21. 2.049 km W of Salamatof, Alaska · 2005 days ago · 85 km deep · 70 km away
  22. 1.725 km NNW of Susitna, Alaska · 2005 days ago · 62 km deep · 81 km away
  23. 2.515 km SSE of Funny River, Alaska · 2004 days ago · 45 km deep · 97 km away
  24. 2.848 km W of Tyonek, Alaska · 2004 days ago · 102 km deep · 24 km away
  25. 1.570 km W of Tyonek, Alaska · 2004 days ago · 121 km deep · 48 km away
  26. 2.424 km SSW of Susitna, Alaska · 2004 days ago · 63 km deep · 53 km away · felt by 1
  27. 1.57 km NNW of Clam Gulch, Alaska · 2004 days ago · 60 km deep · 93 km away
  28. 1.838 km W of Kalifornsky, Alaska · 2003 days ago · 74 km deep · 78 km away
  29. 1.644 km NW of Ninilchik, Alaska · 2003 days ago · 88 km deep · 98 km away
  30. 2.58 km WNW of Skwentna, Alaska · 2003 days ago · 92 km deep · 100 km away · felt by 1
  31. 1.55 km SE of Kenai, Alaska · 2003 days ago · 67 km deep · 70 km away
  32. 2.02 km NNE of Big Lake, Alaska · 2002 days ago · 35 km deep · 98 km away
  33. 2.04 km S of Big Lake, Alaska · 2002 days ago · 32 km deep · 94 km away
  34. 1.6Southern Alaska · 2002 days ago · 47 km deep · 94 km away
  35. 3.035 km S of Skwentna, Alaska · 2002 days ago · 75 km deep · 62 km away
  36. 2.256 km WNW of Nikiski, Alaska · 2001 days ago · 104 km deep · 42 km away
  37. 1.880 km WNW of Nikiski, Alaska · 2001 days ago · 130 km deep · 59 km away
  38. 1.545 km NW of Beluga, Alaska · 2001 days ago · 87 km deep · 34 km away
  39. 1.637 km SW of Skwentna, Alaska · 2001 days ago · 83 km deep · 68 km away
  40. 1.821 km SW of Anchorage, Alaska · 2001 days ago · 20 km deep · 73 km away
  41. 1.533 km SSE of Skwentna, Alaska · 2001 days ago · 74 km deep · 66 km away
  42. 1.712 km SSW of Susitna, Alaska · 2001 days ago · 52 km deep · 61 km away
  43. 2.48 km ENE of Skwentna, Alaska · 2001 days ago · 76 km deep · 100 km away
  44. 1.683 km WNW of Nikiski, Alaska · 2001 days ago · 126 km deep · 69 km away
  45. 2.320 km WNW of Kalifornsky, Alaska · 2001 days ago · 74 km deep · 73 km away
  46. 1.526 km W of Salamatof, Alaska · 2001 days ago · 83 km deep · 57 km away
  47. 1.642 km WNW of Nikiski, Alaska · 2000 days ago · 82 km deep · 40 km away
  48. 1.870 km W of Tyonek, Alaska · 2000 days ago · 113 km deep · 47 km away
  49. 1.525 km WSW of Susitna, Alaska · 2000 days ago · 64 km deep · 49 km away
  50. 2.264 km NW of Ninilchik, Alaska · 2000 days ago · 107 km deep · 91 km away
  51. 1.67 km NNW of Big Lake, Alaska · 2000 days ago · 49 km deep · 99 km away
  52. 1.9Kenai Peninsula, Alaska · 2000 days ago · 71 km deep · 20 km away
  53. 1.548 km NW of Ninilchik, Alaska · 2000 days ago · 83 km deep · 95 km away
  54. 1.616 km W of Salamatof, Alaska · 2000 days ago · 85 km deep · 56 km away
  55. 1.63 km NNE of Point MacKenzie, Alaska · 2000 days ago · 39 km deep · 92 km away
  56. 1.510 km NE of Susitna, Alaska · 2000 days ago · 49 km deep · 83 km away
  57. 1.620 km NW of Susitna, Alaska · 2000 days ago · 68 km deep · 71 km away
  58. 1.545 km NW of Ninilchik, Alaska · 1999 days ago · 97 km deep · 96 km away
  59. 1.65 km SSW of Point MacKenzie, Alaska · 1999 days ago · 22 km deep · 84 km away
  60. 1.5Southern Alaska · 1999 days ago · 116 km deep · 48 km away

The first 60 of at least 200.

Before

  1. 1.543 km W of Kalifornsky, Alaska · 2009 days ago · 89 km deep · 77 km away
  2. 2.118 km NW of Hope, Alaska · 2009 days ago · 37 km deep · 90 km away
  3. 1.8Southern Alaska · 2009 days ago · 66 km deep · 86 km away
  4. 1.99 km SW of Big Lake, Alaska · 2009 days ago · 42 km deep · 87 km away
  5. 1.944 km W of Tyonek, Alaska · 2009 days ago · 87 km deep · 25 km away
  6. 1.522 km W of Kalifornsky, Alaska · 2009 days ago · 77 km deep · 76 km away
  7. 1.517 km WNW of Point MacKenzie, Alaska · 2010 days ago · 16 km deep · 74 km away
  8. 1.69 km NNW of Point Possession, Alaska · 2010 days ago · 57 km deep · 44 km away
  9. 2.1Kenai Peninsula, Alaska · 2011 days ago · 75 km deep · 51 km away
  10. 1.714 km NNW of Point Possession, Alaska · 2011 days ago · 61 km deep · 41 km away
  11. 2.465 km WSW of Salamatof, Alaska · 2011 days ago · 99 km deep · 86 km away
  12. 1.521 km W of Point MacKenzie, Alaska · 2011 days ago · 52 km deep · 68 km away
  13. 1.66 km NW of Point MacKenzie, Alaska · 2011 days ago · 41 km deep · 86 km away
  14. 1.614 km WNW of Point MacKenzie, Alaska · 2012 days ago · 50 km deep · 80 km away
  15. 2.217 km W of Tyonek, Alaska · 2012 days ago · 71 km deep · 7 km away
  16. 1.670 km WNW of Nikiski, Alaska · 2012 days ago · 118 km deep · 57 km away
  17. 1.715 km NW of Nikiski, Alaska · 2012 days ago · 69 km deep · 37 km away
  18. 2.06 km N of Ridgeway, Alaska · 2012 days ago · 63 km deep · 65 km away
  19. 1.847 km W of Kalifornsky, Alaska · 2012 days ago · 103 km deep · 78 km away
  20. 1.828 km SW of Susitna, Alaska · 2013 days ago · 69 km deep · 45 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02141l6l4m. Read Sun, Sep 27, 2026, 10:01 PM UTC.