Alaska earthquakes

M1.7 earthquake 70 km WNW of Nikiski, Alaska

A magnitude 1.7 earthquake struck 70 km WNW of Nikiski, Alaska on Wed, Mar 17, 2021, 12:57 AM AKDT (08:57 UTC), 130 km (80 mi) below the surface.

A larger quake followed: M3.5 63 km WNW of Happy Valley, 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
2021-03-17 08:57:58 UTC
Depth
129.5 km (80.5 mi), intermediate-depth
Epicenter
60.884° N, 152.520° 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
88

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 167 in the 30 days before it.

After

  1. 2.376 km ENE of Port Alsworth, Alaska · 2020 days ago · 125 km deep · 63 km away
  2. 1.941 km W of Susitna, Alaska · 2019 days ago · 83 km deep · 97 km away
  3. 2.045 km SSW of Skwentna, Alaska · 2019 days ago · 82 km deep · 93 km away
  4. 1.559 km WNW of Happy Valley, Alaska · 2019 days ago · 104 km deep · 86 km away
  5. 1.554 km WNW of Tyonek, Alaska · 2019 days ago · 106 km deep · 41 km away
  6. 2.1104 km NE of Port Alsworth, Alaska · 2019 days ago · 194 km deep · 41 km away
  7. 1.815 km E of Beluga, Alaska · 2019 days ago · 15 km deep · 96 km away
  8. 2.445 km WNW of Happy Valley, Alaska · 2019 days ago · 92 km deep · 89 km away
  9. 1.866 km SW of Skwentna, Alaska · 2018 days ago · 113 km deep · 72 km away
  10. 2.068 km WSW of Salamatof, Alaska · 2018 days ago · 95 km deep · 43 km away
  11. 1.512 km ESE of Nikiski, Alaska · 2018 days ago · 26 km deep · 83 km away
  12. 1.934 km WNW of Clam Gulch, Alaska · 2018 days ago · 83 km deep · 65 km away
  13. 1.862 km WNW of Anchor Point, Alaska · 2018 days ago · 105 km deep · 99 km away
  14. 1.646 km NW of Ninilchik, Alaska · 2017 days ago · 91 km deep · 60 km away
  15. 1.759 km E of Port Alsworth, Alaska · 2017 days ago · 129 km deep · 88 km away
  16. 1.742 km W of Salamatof, Alaska · 2017 days ago · 81 km deep · 34 km away
  17. 1.545 km NW of Ninilchik, Alaska · 2017 days ago · 88 km deep · 64 km away
  18. 1.676 km NW of Ninilchik, Alaska · 2017 days ago · 114 km deep · 50 km away
  19. 1.673 km WNW of Happy Valley, Alaska · 2017 days ago · 106 km deep · 83 km away
  20. 1.656 km W of Happy Valley, Alaska · 2017 days ago · 97 km deep · 97 km away
  21. 1.920 km WNW of Nikiski, Alaska · 2017 days ago · 79 km deep · 50 km away
  22. 1.769 km W of Tyonek, Alaska · 2017 days ago · 115 km deep · 20 km away
  23. 2.513 km W of Point Possession, Alaska · 2017 days ago · 28 km deep · 85 km away
  24. 1.526 km W of Salamatof, Alaska · 2016 days ago · 79 km deep · 49 km away
  25. 1.542 km SW of Skwentna, Alaska · 2016 days ago · 108 km deep · 98 km away
  26. 2.386 km W of Salamatof, Alaska · 2016 days ago · 132 km deep · 28 km away
  27. 1.859 km E of Port Alsworth, Alaska · 2016 days ago · 138 km deep · 91 km away
  28. 1.651 km NW of Ninilchik, Alaska · 2016 days ago · 87 km deep · 62 km away
  29. 2.567 km ENE of Port Alsworth, Alaska · 2016 days ago · 137 km deep · 66 km away
  30. 1.877 km WNW of Nikiski, Alaska · 2016 days ago · 118 km deep · 7 km away
  31. 2.118 km E of Beluga, Alaska · 2016 days ago · 10 km deep · 99 km away
  32. 1.543 km W of Happy Valley, Alaska · 2016 days ago · 80 km deep · 96 km away
  33. 1.846 km WNW of Ninilchik, Alaska · 2016 days ago · 91 km deep · 68 km away
  34. 2.361 km WNW of Happy Valley, Alaska · 2016 days ago · 104 km deep · 84 km away
  35. 1.632 km WNW of Nikiski, Alaska · 2015 days ago · 75 km deep · 38 km away
  36. 1.5Southern Alaska · 2015 days ago · 140 km deep · 75 km away
  37. 1.871 km WNW of Ninilchik, Alaska · 2015 days ago · 123 km deep · 71 km away · felt by 1
  38. 1.682 km NE of Port Alsworth, Alaska · 2014 days ago · 139 km deep · 42 km away
  39. 1.625 km WNW of Nikiski, Alaska · 2014 days ago · 79 km deep · 45 km away
  40. 1.760 km ENE of Pedro Bay, Alaska · 2014 days ago · 128 km deep · 98 km away
  41. 1.545 km WNW of Ninilchik, Alaska · 2014 days ago · 92 km deep · 75 km away
  42. 1.669 km E of Port Alsworth, Alaska · 2014 days ago · 117 km deep · 83 km away
  43. 1.613 km W of Clam Gulch, Alaska · 2014 days ago · 71 km deep · 85 km away
  44. 1.681 km ENE of Port Alsworth, Alaska · 2013 days ago · 137 km deep · 44 km away
  45. 1.527 km NNW of Ninilchik, Alaska · 2013 days ago · 71 km deep · 77 km away
  46. 1.719 km W of Tyonek, Alaska · 2012 days ago · 74 km deep · 58 km away
  47. 1.67 km NNE of Kalifornsky, Alaska · 2012 days ago · 74 km deep · 84 km away
  48. 1.647 km SW of Skwentna, Alaska · 2012 days ago · 101 km deep · 91 km away
  49. 1.970 km ENE of Pedro Bay, Alaska · 2012 days ago · 111 km deep · 92 km away
  50. 1.868 km WNW of Happy Valley, Alaska · 2012 days ago · 120 km deep · 93 km away
  51. 1.847 km W of Kalifornsky, Alaska · 2012 days ago · 103 km deep · 50 km away
  52. 2.06 km N of Ridgeway, Alaska · 2012 days ago · 63 km deep · 85 km away
  53. 1.715 km NW of Nikiski, Alaska · 2012 days ago · 69 km deep · 57 km away
  54. 1.670 km ENE of Pedro Bay, Alaska · 2011 days ago · 108 km deep · 92 km away
  55. 1.670 km WNW of Nikiski, Alaska · 2011 days ago · 118 km deep · 1 km away
  56. 2.217 km W of Tyonek, Alaska · 2011 days ago · 71 km deep · 61 km away
  57. 1.553 km WNW of Happy Valley, Alaska · 2011 days ago · 93 km deep · 84 km away
  58. 1.858 km WNW of Happy Valley, Alaska · 2011 days ago · 90 km deep · 88 km away
  59. 2.465 km WSW of Salamatof, Alaska · 2010 days ago · 99 km deep · 43 km away
  60. 1.714 km NNW of Point Possession, Alaska · 2010 days ago · 61 km deep · 93 km away

The first 60 of at least 202.

Before

  1. 1.648 km WNW of Happy Valley, Alaska · 2021 days ago · 98 km deep · 88 km away
  2. 1.771 km E of Port Alsworth, Alaska · 2021 days ago · 129 km deep · 86 km away
  3. 2.143 km NW of Ninilchik, Alaska · 2021 days ago · 88 km deep · 66 km away
  4. 1.94 km ESE of Nikiski, Alaska · 2021 days ago · 66 km deep · 75 km away
  5. 1.666 km W of Tyonek, Alaska · 2021 days ago · 111 km deep · 18 km away
  6. 2.355 km ENE of Port Alsworth, Alaska · 2022 days ago · 160 km deep · 75 km away
  7. 1.768 km WNW of Happy Valley, Alaska · 2022 days ago · 111 km deep · 88 km away
  8. 1.755 km NW of Ninilchik, Alaska · 2022 days ago · 95 km deep · 60 km away · felt by 1
  9. 1.638 km W of Cohoe, Alaska · 2022 days ago · 74 km deep · 60 km away
  10. 1.59 km WNW of Tyonek, Alaska · 2022 days ago · 68 km deep · 71 km away
  11. 1.616 km WSW of Tyonek, Alaska · 2022 days ago · 6 km deep · 61 km away
  12. 1.656 km WNW of Nikiski, Alaska · 2022 days ago · 93 km deep · 14 km away
  13. 1.510 km ESE of Nikiski, Alaska · 2022 days ago · 69 km deep · 81 km away
  14. 1.670 km W of Tyonek, Alaska · 2023 days ago · 9 km deep · 28 km away
  15. 1.627 km WNW of Clam Gulch, Alaska · 2023 days ago · 69 km deep · 72 km away
  16. 1.658 km NW of Ninilchik, Alaska · 2023 days ago · 102 km deep · 52 km away
  17. 1.768 km E of Port Alsworth, Alaska · 2023 days ago · 126 km deep · 82 km away
  18. 1.5Southern Alaska · 2023 days ago · 93 km deep · 81 km away
  19. 2.273 km ENE of Port Alsworth, Alaska · 2023 days ago · 130 km deep · 66 km away
  20. 2.02 km N of Beluga, Alaska · 2023 days ago · 64 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213hty6m2. Read Sun, Sep 27, 2026, 8:31 AM UTC.