Alaska earthquakes

M1.6 earthquake 23 km W of Tyonek, Alaska

A magnitude 1.6 earthquake struck 23 km W of Tyonek, Alaska on Tue, Oct 12, 2021, 3:30 AM AKDT (11:30 UTC), 75 km (46 mi) below the surface.

A larger quake followed: M2.7 6 km NE of Point MacKenzie, 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
2021-10-12 11:30:15 UTC
Depth
74.6 km (46.4 mi), intermediate-depth
Epicenter
61.084° N, 151.574° 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
39

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. 1.548 km W of Kalifornsky, Alaska · 1780 days ago · 81 km deep · 75 km away
  2. 2.76 km NE of Point MacKenzie, Alaska · 1780 days ago · 38 km deep · 96 km away · felt by 4
  3. 1.727 km ENE of Beluga, Alaska · 1780 days ago · 52 km deep · 55 km away
  4. 1.62 km NE of Funny River, Alaska · 1780 days ago · 49 km deep · 78 km away
  5. 1.716 km SW of Willow, Alaska · 1780 days ago · 10 km deep · 93 km away
  6. 2.051 km WNW of Tyonek, Alaska · 1780 days ago · 103 km deep · 30 km away
  7. 1.516 km SW of Willow, Alaska · 1780 days ago · 10 km deep · 94 km away
  8. 2.03 km SSW of Big Lake, Alaska · 1780 days ago · 31 km deep · 97 km away
  9. 1.511 km WNW of Nikiski, Alaska · 1780 days ago · 68 km deep · 41 km away
  10. 1.65 km NW of Big Lake, Alaska · 1779 days ago · 53 km deep · 99 km away
  11. 1.713 km WSW of Willow, Alaska · 1779 days ago · 8 km deep · 97 km away
  12. 2.115 km ESE of Point Possession, Alaska · 1779 days ago · 43 km deep · 66 km away
  13. 1.743 km NW of Ninilchik, Alaska · 1779 days ago · 90 km deep · 97 km away
  14. 1.932 km SSW of Skwentna, Alaska · 1779 days ago · 100 km deep · 73 km away
  15. 2.346 km W of Tyonek, Alaska · 1779 days ago · 90 km deep · 23 km away
  16. 1.517 km NW of Susitna, Alaska · 1779 days ago · 60 km deep · 78 km away
  17. 1.813 km WNW of Tyonek, Alaska · 1778 days ago · 71 km deep · 14 km away
  18. 2.024 km WNW of Salamatof, Alaska · 1778 days ago · 80 km deep · 47 km away
  19. 2.115 km WSW of Willow, Alaska · 1778 days ago · 5 km deep · 95 km away
  20. 3.126 km WSW of Point MacKenzie, Alaska · 1778 days ago · 49 km deep · 65 km away · felt by 12
  21. 1.824 km SW of Susitna, Alaska · 1778 days ago · 57 km deep · 53 km away
  22. 1.533 km SSE of Skwentna, Alaska · 1778 days ago · 76 km deep · 73 km away
  23. 1.737 km WSW of Tyonek, Alaska · 1778 days ago · 80 km deep · 16 km away
  24. 1.84 km SSW of Point MacKenzie, Alaska · 1778 days ago · 15 km deep · 88 km away
  25. 1.516 km NE of Susitna, Alaska · 1778 days ago · 12 km deep · 93 km away
  26. 1.819 km WSW of Susitna, Alaska · 1777 days ago · 63 km deep · 59 km away
  27. 1.718 km E of Nikiski, Alaska · 1777 days ago · 63 km deep · 54 km away
  28. 1.513 km W of Point Possession, Alaska · 1777 days ago · 40 km deep · 40 km away
  29. 1.646 km S of Skwentna, Alaska · 1777 days ago · 75 km deep · 54 km away
  30. 1.525 km WNW of Nikiski, Alaska · 1777 days ago · 78 km deep · 30 km away
  31. 1.69 km NNW of Point Possession, Alaska · 1777 days ago · 45 km deep · 45 km away
  32. 2.03 km NNW of Point MacKenzie, Alaska · 1776 days ago · 37 km deep · 90 km away
  33. 1.725 km NW of Susitna, Alaska · 1776 days ago · 55 km deep · 80 km away
  34. 1.57 km W of Point MacKenzie, Alaska · 1776 days ago · 43 km deep · 84 km away
  35. 3.119 km NNW of Susitna, Alaska · 1776 days ago · 3 km deep · 82 km away · felt by 1
  36. 1.662 km WNW of Ninilchik, Alaska · 1776 days ago · 104 km deep · 100 km away
  37. 1.5Southern Alaska · 1776 days ago · 102 km deep · 40 km away
  38. 1.614 km NW of Susitna, Alaska · 1776 days ago · 4 km deep · 79 km away
  39. 1.762 km WNW of Nikiski, Alaska · 1775 days ago · 117 km deep · 46 km away
  40. 1.97 km SW of Anchorage, Alaska · 1775 days ago · 17 km deep · 84 km away
  41. 1.825 km ESE of Skwentna, Alaska · 1775 days ago · 65 km deep · 98 km away
  42. 2.236 km WSW of Skwentna, Alaska · 1775 days ago · 111 km deep · 94 km away
  43. 2.260 km NW of Ninilchik, Alaska · 1774 days ago · 98 km deep · 91 km away
  44. 2.06 km NNE of Point MacKenzie, Alaska · 1774 days ago · 38 km deep · 95 km away
  45. 1.79 km NNE of Point MacKenzie, Alaska · 1774 days ago · 39 km deep · 97 km away
  46. 1.511 km WSW of Point Possession, Alaska · 1774 days ago · 15 km deep · 42 km away
  47. 2.134 km W of Susitna, Alaska · 1774 days ago · 10 km deep · 56 km away
  48. 1.610 km WSW of Salamatof, Alaska · 1774 days ago · 65 km deep · 55 km away
  49. 1.515 km SSE of Point Possession, Alaska · 1773 days ago · 41 km deep · 62 km away
  50. 3.419 km NNW of Susitna, Alaska · 1773 days ago · 6 km deep · 82 km away · felt by 3
  51. 1.561 km WNW of Nikiski, Alaska · 1773 days ago · 103 km deep · 52 km away
  52. 1.648 km NW of Beluga, Alaska · 1772 days ago · 73 km deep · 44 km away
  53. 1.528 km NNE of Beluga, Alaska · 1771 days ago · 64 km deep · 47 km away
  54. 1.865 km W of Tyonek, Alaska · 1771 days ago · 113 km deep · 42 km away
  55. 1.722 km WNW of Beluga, Alaska · 1771 days ago · 79 km deep · 19 km away
  56. 1.616 km SSE of Tyonek, Alaska · 1771 days ago · 15 km deep · 34 km away
  57. 1.661 km NW of Beluga, Alaska · 1770 days ago · 113 km deep · 48 km away
  58. 1.56 km NE of Kenai, Alaska · 1770 days ago · 35 km deep · 59 km away
  59. 2.018 km SSE of Susitna, Alaska · 1770 days ago · 51 km deep · 76 km away
  60. 1.811 km W of Nikiski, Alaska · 1770 days ago · 70 km deep · 43 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021d3iw521. Read Thu, Sep 24, 2026, 7:03 AM UTC.