Alaska earthquakes

M1.6 earthquake 28 km NW of Nikiski, Alaska

A magnitude 1.6 earthquake struck 28 km NW of Nikiski, Alaska on Fri, Oct 22, 2021, 3:59 AM AKDT (11:59 UTC), 75 km (46 mi) below the surface.

A larger quake followed: M2.0 18 km SSE of Susitna, 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
1.6 (ml), micro
Local time
UTC
2021-10-22 11:59:33 UTC
Depth
74.6 km (46.4 mi), intermediate-depth
Epicenter
60.893° N, 151.615° 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
49

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. 2.018 km SSE of Susitna, Alaska · 1770 days ago · 51 km deep · 90 km away
  2. 1.811 km W of Nikiski, Alaska · 1770 days ago · 70 km deep · 23 km away
  3. 1.641 km NW of Ninilchik, Alaska · 1770 days ago · 90 km deep · 67 km away
  4. 2.130 km SSW of Skwentna, Alaska · 1769 days ago · 96 km deep · 94 km away
  5. 1.516 km SSW of Point Possession, Alaska · 1769 days ago · 48 km deep · 47 km away
  6. 1.529 km SSE of Skwentna, Alaska · 1768 days ago · 78 km deep · 96 km away
  7. 1.730 km WSW of Salamatof, Alaska · 1768 days ago · 70 km deep · 45 km away
  8. 1.613 km ENE of Ninilchik, Alaska · 1768 days ago · 63 km deep · 87 km away
  9. 1.842 km NW of Beluga, Alaska · 1768 days ago · 85 km deep · 55 km away
  10. 1.622 km NW of Ninilchik, Alaska · 1768 days ago · 78 km deep · 83 km away
  11. 1.942 km W of Salamatof, Alaska · 1768 days ago · 90 km deep · 34 km away
  12. 1.733 km WSW of Salamatof, Alaska · 1768 days ago · 76 km deep · 46 km away
  13. 1.7Southern Alaska · 1768 days ago · 68 km deep · 90 km away
  14. 1.637 km WNW of Ninilchik, Alaska · 1767 days ago · 93 km deep · 89 km away
  15. 1.667 km W of Tyonek, Alaska · 1767 days ago · 113 km deep · 44 km away
  16. 1.517 km S of Tyonek, Alaska · 1767 days ago · 68 km deep · 26 km away
  17. 1.56 km NE of Kenai, Alaska · 1767 days ago · 62 km deep · 41 km away
  18. 1.65 km S of Point Possession, Alaska · 1767 days ago · 50 km deep · 51 km away
  19. 1.536 km SW of Skwentna, Alaska · 1767 days ago · 106 km deep · 98 km away
  20. 1.626 km W of Susitna, Alaska · 1767 days ago · 67 km deep · 80 km away
  21. 1.551 km WNW of Ninilchik, Alaska · 1767 days ago · 89 km deep · 81 km away
  22. 1.628 km N of Beluga, Alaska · 1767 days ago · 65 km deep · 65 km away
  23. 1.5Kenai Peninsula, Alaska · 1767 days ago · 49 km deep · 73 km away
  24. 1.914 km N of Nikiski, Alaska · 1766 days ago · 78 km deep · 21 km away
  25. 2.023 km SW of Anchorage, Alaska · 1766 days ago · 45 km deep · 78 km away
  26. 2.37 km WSW of Point MacKenzie, Alaska · 1766 days ago · 40 km deep · 95 km away
  27. 1.537 km S of Skwentna, Alaska · 1766 days ago · 76 km deep · 87 km away
  28. 2.370 km WNW of Ninilchik, Alaska · 1766 days ago · 133 km deep · 96 km away
  29. 2.112 km SW of Salamatof, Alaska · 1766 days ago · 69 km deep · 39 km away
  30. 1.813 km WNW of Clam Gulch, Alaska · 1766 days ago · 63 km deep · 67 km away
  31. 1.634 km SSW of Skwentna, Alaska · 1766 days ago · 82 km deep · 92 km away
  32. 1.678 km W of Salamatof, Alaska · 1766 days ago · 113 km deep · 71 km away
  33. 1.632 km WNW of Ninilchik, Alaska · 1766 days ago · 77 km deep · 83 km away
  34. 2.356 km WNW of Ninilchik, Alaska · 1765 days ago · 94 km deep · 86 km away
  35. 1.554 km NW of Ninilchik, Alaska · 1765 days ago · 102 km deep · 69 km away
  36. 1.7Southern Alaska · 1765 days ago · 6 km deep · 66 km away
  37. 1.965 km SW of Skwentna, Alaska · 1765 days ago · 127 km deep · 76 km away
  38. 1.528 km WNW of Happy Valley, Alaska · 1765 days ago · 74 km deep · 98 km away
  39. 2.338 km W of Cohoe, Alaska · 1765 days ago · 85 km deep · 55 km away
  40. 1.712 km NE of Ninilchik, Alaska · 1764 days ago · 47 km deep · 85 km away
  41. 1.544 km W of Ninilchik, Alaska · 1764 days ago · 82 km deep · 98 km away
  42. 1.623 km SSW of Susitna, Alaska · 1763 days ago · 51 km deep · 71 km away
  43. 1.67 km SE of Soldotna, Alaska · 1763 days ago · 53 km deep · 62 km away
  44. 1.515 km S of Anchorage, Alaska · 1763 days ago · 33 km deep · 94 km away · felt by 1
  45. 1.611 km WSW of Salamatof, Alaska · 1763 days ago · 65 km deep · 37 km away
  46. 1.646 km NW of Ninilchik, Alaska · 1763 days ago · 83 km deep · 70 km away
  47. 1.547 km W of Tyonek, Alaska · 1763 days ago · 90 km deep · 35 km away
  48. 1.745 km WNW of Beluga, Alaska · 1762 days ago · 83 km deep · 51 km away
  49. 1.559 km NW of Ninilchik, Alaska · 1762 days ago · 89 km deep · 74 km away
  50. 1.513 km WNW of Susitna, Alaska · 1762 days ago · 45 km deep · 91 km away
  51. 1.861 km W of Salamatof, Alaska · 1762 days ago · 101 km deep · 52 km away
  52. 2.111 km WSW of Point MacKenzie, Alaska · 1762 days ago · 48 km deep · 91 km away
  53. 1.650 km NW of Beluga, Alaska · 1761 days ago · 92 km deep · 69 km away
  54. 1.627 km WSW of Hope, Alaska · 1760 days ago · 41 km deep · 82 km away
  55. 1.912 km S of Soldotna, Alaska · 1760 days ago · 39 km deep · 65 km away
  56. 1.630 km NW of Nikiski, Alaska · 1760 days ago · 74 km deep · 6 km away
  57. 2.315 km W of Ninilchik, Alaska · 1760 days ago · 81 km deep · 94 km away
  58. 1.748 km NW of Ninilchik, Alaska · 1760 days ago · 81 km deep · 72 km away
  59. 1.943 km NW of Ninilchik, Alaska · 1760 days ago · 89 km deep · 70 km away
  60. 1.655 km WNW of Ninilchik, Alaska · 1759 days ago · 102 km deep · 93 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021dk2fv7m. Read Thu, Sep 24, 2026, 1:28 AM UTC.