Alaska earthquakes

M1.9 earthquake 55 km NW of Ninilchik, Alaska

A magnitude 1.9 earthquake struck 55 km NW of Ninilchik, Alaska on Mon, Sep 13, 2021, 3:28 AM AKDT (11:28 UTC), 91 km (56 mi) below the surface.

A larger quake followed: M2.0 34 km WNW of Anchor Point, 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
1.9 (ml), micro
Local time
UTC
2021-09-13 11:28:10 UTC
Depth
90.7 km (56.4 mi), intermediate-depth
Epicenter
60.401° N, 152.383° 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: 200 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.664 km E of Pedro Bay, Alaska · 1795 days ago · 100 km deep · 65 km away
  2. 2.034 km WNW of Anchor Point, Alaska · 1795 days ago · 207 km deep · 59 km away
  3. 1.573 km E of Port Alsworth, Alaska · 1795 days ago · 123 km deep · 42 km away
  4. 1.655 km E of Port Alsworth, Alaska · 1795 days ago · 142 km deep · 57 km away
  5. 1.745 km ENE of Pedro Bay, Alaska · 1795 days ago · 151 km deep · 76 km away
  6. 2.464 km ENE of Pedro Bay, Alaska · 1795 days ago · 119 km deep · 60 km away
  7. 1.67 km WSW of Happy Valley, Alaska · 1795 days ago · 78 km deep · 61 km away
  8. 1.561 km ESE of Pedro Bay, Alaska · 1794 days ago · 113 km deep · 99 km away
  9. 1.630 km W of Anchor Point, Alaska · 1794 days ago · 100 km deep · 66 km away
  10. 1.666 km ENE of Pedro Bay, Alaska · 1794 days ago · 124 km deep · 51 km away
  11. 1.853 km ENE of Pedro Bay, Alaska · 1794 days ago · 135 km deep · 65 km away
  12. 1.552 km WNW of Ninilchik, Alaska · 1794 days ago · 94 km deep · 26 km away
  13. 2.056 km WNW of Anchor Point, Alaska · 1794 days ago · 98 km deep · 57 km away
  14. 1.567 km WNW of Nikiski, Alaska · 1794 days ago · 112 km deep · 59 km away
  15. 1.837 km ENE of Pedro Bay, Alaska · 1794 days ago · 137 km deep · 81 km away
  16. 3.746 km NE of Pedro Bay, Alaska · 1794 days ago · 168 km deep · 72 km away · felt by 1
  17. 1.635 km WSW of Anchor Point, Alaska · 1794 days ago · 76 km deep · 78 km away
  18. 1.867 km W of Happy Valley, Alaska · 1793 days ago · 88 km deep · 48 km away
  19. 1.750 km W of Happy Valley, Alaska · 1793 days ago · 94 km deep · 48 km away
  20. 1.863 km WNW of Tyonek, Alaska · 1793 days ago · 109 km deep · 88 km away
  21. 1.766 km WNW of Nanwalek, Alaska · 1793 days ago · 93 km deep · 99 km away
  22. 1.954 km E of Pedro Bay, Alaska · 1793 days ago · 102 km deep · 85 km away
  23. 1.864 km WNW of Anchor Point, Alaska · 1793 days ago · 94 km deep · 52 km away
  24. 1.514 km W of Point Possession, Alaska · 1793 days ago · 8 km deep · 97 km away
  25. 1.628 km WNW of Clam Gulch, Alaska · 1793 days ago · 87 km deep · 29 km away
  26. 1.948 km WNW of Anchor Point, Alaska · 1793 days ago · 80 km deep · 53 km away
  27. 2.646 km W of Kalifornsky, Alaska · 1793 days ago · 81 km deep · 16 km away
  28. 2.277 km W of Salamatof, Alaska · 1793 days ago · 117 km deep · 25 km away
  29. 2.342 km W of Nikiski, Alaska · 1793 days ago · 86 km deep · 42 km away
  30. 1.7Southern Alaska · 1793 days ago · 105 km deep · 42 km away
  31. 1.759 km W of Anchor Point, Alaska · 1792 days ago · 95 km deep · 78 km away
  32. 1.92 km SE of Ninilchik, Alaska · 1792 days ago · 71 km deep · 58 km away
  33. 1.768 km E of Port Alsworth, Alaska · 1792 days ago · 120 km deep · 45 km away
  34. 1.619 km W of Tyonek, Alaska · 1792 days ago · 70 km deep · 87 km away
  35. 1.946 km ENE of Pedro Bay, Alaska · 1792 days ago · 122 km deep · 76 km away
  36. 1.561 km WNW of Nanwalek, Alaska · 1792 days ago · 96 km deep · 93 km away
  37. 1.839 km ENE of Pedro Bay, Alaska · 1792 days ago · 143 km deep · 78 km away
  38. 1.655 km W of Anchor Point, Alaska · 1792 days ago · 92 km deep · 73 km away
  39. 1.762 km WNW of Anchor Point, Alaska · 1791 days ago · 89 km deep · 54 km away
  40. 1.962 km E of Pedro Bay, Alaska · 1791 days ago · 97 km deep · 71 km away
  41. 1.619 km SE of Kasilof, Alaska · 1791 days ago · 61 km deep · 79 km away
  42. 1.953 km E of Pedro Bay, Alaska · 1791 days ago · 105 km deep · 89 km away
  43. 1.861 km W of Tyonek, Alaska · 1791 days ago · 115 km deep · 86 km away
  44. 1.5Kenai Peninsula, Alaska · 1791 days ago · 41 km deep · 94 km away
  45. 1.563 km ENE of Pedro Bay, Alaska · 1791 days ago · 106 km deep · 57 km away
  46. 2.523 km WNW of Nikiski, Alaska · 1790 days ago · 79 km deep · 53 km away
  47. 3.262 km ENE of Pedro Bay, Alaska · 1790 days ago · 119 km deep · 64 km away
  48. 1.78 km E of Salamatof, Alaska · 1790 days ago · 51 km deep · 72 km away
  49. 2.042 km NW of Ninilchik, Alaska · 1790 days ago · 82 km deep · 13 km away
  50. 1.620 km ESE of Clam Gulch, Alaska · 1790 days ago · 52 km deep · 78 km away
  51. 1.967 km WNW of Happy Valley, Alaska · 1789 days ago · 95 km deep · 41 km away
  52. 2.146 km E of Pedro Bay, Alaska · 1789 days ago · 113 km deep · 88 km away
  53. 2.061 km ENE of Pedro Bay, Alaska · 1789 days ago · 101 km deep · 61 km away
  54. 2.441 km NW of Ninilchik, Alaska · 1789 days ago · 81 km deep · 14 km away
  55. 2.140 km NW of Ninilchik, Alaska · 1789 days ago · 78 km deep · 15 km away
  56. 1.78 km WNW of Diamond Ridge, Alaska · 1789 days ago · 62 km deep · 86 km away
  57. 1.561 km W of Tyonek, Alaska · 1789 days ago · 4 km deep · 78 km away
  58. 1.881 km W of Salamatof, Alaska · 1788 days ago · 118 km deep · 36 km away
  59. 1.67 km W of Soldotna, Alaska · 1788 days ago · 57 km deep · 66 km away
  60. 2.062 km WNW of Anchor Point, Alaska · 1788 days ago · 105 km deep · 57 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021brkamx0. Read Wed, Sep 23, 2026, 10:58 PM UTC.