Alaska earthquakes

M1.5 earthquake 51 km WNW of Ninilchik, Alaska

A magnitude 1.5 earthquake struck 51 km WNW of Ninilchik, Alaska on Wed, Sep 22, 2021, 3:00 PM AKDT (23:00 UTC), 104 km (64 mi) below the surface.

A larger quake followed: M4.7 12 km SSW of Clam Gulch, 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.

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The earthquake

Magnitude
1.5 (ml), micro
Local time
UTC
2021-09-22 23:00:04 UTC
Depth
103.8 km (64.5 mi), intermediate-depth
Epicenter
60.271° N, 152.485° 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
29

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. 1.567 km SE of Pedro Bay, Alaska · 1832 days ago · 83 km deep · 98 km away
  2. 1.659 km W of Happy Valley, Alaska · 1832 days ago · 107 km deep · 31 km away
  3. 1.838 km ENE of Pedro Bay, Alaska · 1832 days ago · 132 km deep · 68 km away
  4. 1.658 km WNW of Happy Valley, Alaska · 1831 days ago · 97 km deep · 25 km away
  5. 2.326 km NW of Anchor Point, Alaska · 1831 days ago · 85 km deep · 42 km away · felt by 1
  6. 1.647 km W of Anchor Point, Alaska · 1831 days ago · 90 km deep · 54 km away
  7. 1.617 km WNW of Anchor Point, Alaska · 1831 days ago · 71 km deep · 53 km away
  8. 2.137 km W of Nanwalek, Alaska · 1831 days ago · 71 km deep · 99 km away
  9. 1.968 km W of Happy Valley, Alaska · 1831 days ago · 97 km deep · 37 km away
  10. 2.225 km WNW of Nikiski, Alaska · 1830 days ago · 76 km deep · 68 km away
  11. 2.738 km WNW of Anchor Point, Alaska · 1830 days ago · 78 km deep · 37 km away
  12. 2.237 km ESE of Pedro Bay, Alaska · 1830 days ago · 116 km deep · 89 km away
  13. 2.754 km WSW of Anchor Point, Alaska · 1830 days ago · 78 km deep · 74 km away
  14. 2.044 km NW of Ninilchik, Alaska · 1830 days ago · 84 km deep · 22 km away
  15. 1.68 km ENE of Ninilchik, Alaska · 1830 days ago · 56 km deep · 58 km away
  16. 1.831 km WNW of Clam Gulch, Alaska · 1830 days ago · 87 km deep · 32 km away
  17. 2.254 km ENE of Pedro Bay, Alaska · 1830 days ago · 132 km deep · 52 km away
  18. 2.116 km WNW of Fox River, Alaska · 1829 days ago · 36 km deep · 80 km away
  19. 1.753 km WNW of Happy Valley, Alaska · 1829 days ago · 97 km deep · 23 km away
  20. 1.543 km E of Port Alsworth, Alaska · 1829 days ago · 156 km deep · 61 km away
  21. 1.560 km WNW of Anchor Point, Alaska · 1829 days ago · 105 km deep · 40 km away
  22. 1.540 km W of Nanwalek, Alaska · 1828 days ago · 87 km deep · 95 km away
  23. 2.89 km SSW of Anchor Point, Alaska · 1828 days ago · 54 km deep · 71 km away · felt by 1
  24. 1.566 km WNW of Ninilchik, Alaska · 1828 days ago · 119 km deep · 19 km away
  25. 2.26 km E of Nikiski, Alaska · 1828 days ago · 59 km deep · 86 km away
  26. 1.758 km ENE of Pedro Bay, Alaska · 1828 days ago · 118 km deep · 48 km away
  27. 1.633 km ESE of Pedro Bay, Alaska · 1827 days ago · 125 km deep · 84 km away
  28. 2.215 km W of Ninilchik, Alaska · 1827 days ago · 58 km deep · 38 km away
  29. 2.025 km NW of Seldovia, Alaska · 1827 days ago · 45 km deep · 81 km away
  30. 1.653 km E of Pedro Bay, Alaska · 1827 days ago · 101 km deep · 70 km away
  31. 1.844 km E of Pedro Bay, Alaska · 1827 days ago · 122 km deep · 70 km away
  32. 1.552 km WNW of Nanwalek, Alaska · 1827 days ago · 72 km deep · 86 km away
  33. 1.9107 km NE of Port Alsworth, Alaska · 1826 days ago · 52 km deep · 90 km away
  34. 1.666 km WNW of Nanwalek, Alaska · 1826 days ago · 103 km deep · 79 km away
  35. 1.6Southern Alaska · 1826 days ago · 141 km deep · 39 km away
  36. 1.961 km WNW of Anchor Point, Alaska · 1826 days ago · 94 km deep · 44 km away
  37. 2.0Southern Alaska · 1825 days ago · 67 km deep · 65 km away
  38. 2.156 km NW of Ninilchik, Alaska · 1825 days ago · 87 km deep · 10 km away
  39. 1.652 km E of Pedro Bay, Alaska · 1825 days ago · 111 km deep · 74 km away
  40. 1.665 km W of Tyonek, Alaska · 1825 days ago · 111 km deep · 84 km away
  41. 1.544 km W of Kalifornsky, Alaska · 1825 days ago · 86 km deep · 31 km away
  42. 2.063 km WNW of Happy Valley, Alaska · 1825 days ago · 111 km deep · 30 km away
  43. 2.162 km W of Happy Valley, Alaska · 1825 days ago · 92 km deep · 31 km away
  44. 1.860 km W of Anchor Point, Alaska · 1825 days ago · 111 km deep · 49 km away
  45. 2.067 km W of Nikiski, Alaska · 1824 days ago · 140 km deep · 56 km away
  46. 1.667 km WNW of Ninilchik, Alaska · 1824 days ago · 121 km deep · 16 km away
  47. 1.961 km WNW of Anchor Point, Alaska · 1824 days ago · 92 km deep · 47 km away
  48. 1.842 km W of Nanwalek, Alaska · 1824 days ago · 67 km deep · 98 km away
  49. 1.561 km WNW of Anchor Point, Alaska · 1824 days ago · 90 km deep · 40 km away
  50. 1.658 km W of Ninilchik, Alaska · 1824 days ago · 99 km deep · 17 km away
  51. 1.721 km WNW of Clam Gulch, Alaska · 1823 days ago · 67 km deep · 42 km away
  52. 1.629 km WNW of Ninilchik, Alaska · 1823 days ago · 69 km deep · 23 km away
  53. 2.265 km WNW of Happy Valley, Alaska · 1823 days ago · 107 km deep · 28 km away
  54. 1.527 km WSW of Anchor Point, Alaska · 1823 days ago · 69 km deep · 68 km away
  55. 1.619 km ENE of Nikiski, Alaska · 1823 days ago · 25 km deep · 100 km away
  56. 2.254 km E of Pedro Bay, Alaska · 1823 days ago · 102 km deep · 71 km away
  57. 1.548 km W of Anchor Point, Alaska · 1823 days ago · 81 km deep · 51 km away
  58. 1.678 km WNW of Ninilchik, Alaska · 1823 days ago · 109 km deep · 27 km away
  59. 2.120 km ENE of Pedro Bay, Alaska · 1823 days ago · 145 km deep · 86 km away
  60. 1.759 km WNW of Nanwalek, Alaska · 1823 days ago · 101 km deep · 80 km away

The first 60 of at least 201.

Before

  1. 1.752 km ENE of Pedro Bay, Alaska · 1832 days ago · 128 km deep · 55 km away
  2. 2.146 km ENE of Pedro Bay, Alaska · 1832 days ago · 136 km deep · 59 km away
  3. 1.757 km W of Anchor Point, Alaska · 1832 days ago · 105 km deep · 54 km away
  4. 1.567 km ENE of Pedro Bay, Alaska · 1832 days ago · 105 km deep · 38 km away
  5. 2.910 km NW of Anchor Point, Alaska · 1832 days ago · 76 km deep · 56 km away · felt by 4
  6. 1.863 km WNW of Anchor Point, Alaska · 1832 days ago · 107 km deep · 38 km away
  7. 2.314 km WNW of Nikiski, Alaska · 1833 days ago · 71 km deep · 76 km away
  8. 2.136 km ENE of Pedro Bay, Alaska · 1833 days ago · 140 km deep · 68 km away
  9. 1.635 km WSW of Anchor Point, Alaska · 1833 days ago · 78 km deep · 63 km away
  10. 2.247 km NW of Ninilchik, Alaska · 1833 days ago · 80 km deep · 20 km away
  11. 1.640 km WNW of Anchor Point, Alaska · 1834 days ago · 75 km deep · 36 km away
  12. 1.655 km W of Happy Valley, Alaska · 1834 days ago · 92 km deep · 30 km away
  13. 1.868 km WNW of Happy Valley, Alaska · 1834 days ago · 110 km deep · 33 km away
  14. 1.969 km WNW of Anchor Point, Alaska · 1834 days ago · 101 km deep · 38 km away
  15. 2.359 km WNW of Ninilchik, Alaska · 1834 days ago · 112 km deep · 16 km away
  16. 2.038 km E of Pedro Bay, Alaska · 1834 days ago · 128 km deep · 71 km away
  17. 1.642 km W of Salamatof, Alaska · 1834 days ago · 79 km deep · 45 km away
  18. 1.544 km WNW of Anchor Point, Alaska · 1834 days ago · 89 km deep · 41 km away
  19. 1.668 km E of Port Alsworth, Alaska · 1834 days ago · 132 km deep · 33 km away
  20. 1.744 km E of Pedro Bay, Alaska · 1834 days ago · 130 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021c6n3y4b. Read Mon, Sep 28, 2026, 8:36 PM UTC.