Alaska earthquakes

M1.8 earthquake 61 km W of Tyonek, Alaska

A magnitude 1.8 earthquake struck 61 km W of Tyonek, Alaska on Thu, Oct 28, 2021, 1:07 PM AKDT (21:07 UTC), 115 km (71 mi) below the surface.

A larger quake followed: M2.2 60 km NW of Ninilchik, 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
1.8 (ml), micro
Local time
UTC
2021-10-28 21:07:50 UTC
Depth
114.5 km (71.1 mi), intermediate-depth
Epicenter
61.170° N, 152.256° 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
51

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. 2.260 km NW of Ninilchik, Alaska · 1774 days ago · 98 km deep · 86 km away
  2. 1.511 km WSW of Point Possession, Alaska · 1774 days ago · 15 km deep · 79 km away
  3. 2.134 km W of Susitna, Alaska · 1774 days ago · 10 km deep · 72 km away
  4. 1.610 km WSW of Salamatof, Alaska · 1773 days ago · 65 km deep · 76 km away
  5. 1.515 km SSE of Point Possession, Alaska · 1773 days ago · 41 km deep · 99 km away
  6. 1.561 km WNW of Nikiski, Alaska · 1773 days ago · 103 km deep · 39 km away
  7. 1.770 km WNW of Ninilchik, Alaska · 1772 days ago · 116 km deep · 99 km away
  8. 1.555 km WNW of Ninilchik, Alaska · 1772 days ago · 97 km deep · 98 km away
  9. 1.648 km NW of Beluga, Alaska · 1772 days ago · 73 km deep · 47 km away
  10. 1.528 km NNE of Beluga, Alaska · 1771 days ago · 64 km deep · 73 km away
  11. 1.865 km W of Tyonek, Alaska · 1771 days ago · 113 km deep · 15 km away
  12. 1.722 km WNW of Beluga, Alaska · 1771 days ago · 79 km deep · 44 km away
  13. 1.616 km SSE of Tyonek, Alaska · 1770 days ago · 15 km deep · 71 km away
  14. 1.661 km NW of Beluga, Alaska · 1770 days ago · 113 km deep · 34 km away
  15. 1.56 km NE of Kenai, Alaska · 1770 days ago · 35 km deep · 87 km away
  16. 1.811 km W of Nikiski, Alaska · 1770 days ago · 70 km deep · 67 km away
  17. 1.641 km NW of Ninilchik, Alaska · 1770 days ago · 90 km deep · 92 km away
  18. 1.616 km WNW of Skwentna, Alaska · 1770 days ago · 96 km deep · 100 km away
  19. 2.130 km SSW of Skwentna, Alaska · 1769 days ago · 96 km deep · 71 km away
  20. 1.516 km SSW of Point Possession, Alaska · 1769 days ago · 48 km deep · 90 km away
  21. 1.529 km SSE of Skwentna, Alaska · 1768 days ago · 78 km deep · 83 km away
  22. 1.730 km WSW of Salamatof, Alaska · 1768 days ago · 70 km deep · 78 km away
  23. 1.67 km SW of Skwentna, Alaska · 1768 days ago · 83 km deep · 95 km away
  24. 1.842 km NW of Beluga, Alaska · 1768 days ago · 85 km deep · 39 km away
  25. 1.942 km W of Salamatof, Alaska · 1768 days ago · 90 km deep · 55 km away
  26. 1.733 km WSW of Salamatof, Alaska · 1768 days ago · 76 km deep · 77 km away
  27. 1.7Southern Alaska · 1768 days ago · 68 km deep · 90 km away
  28. 1.667 km W of Tyonek, Alaska · 1767 days ago · 113 km deep · 19 km away
  29. 1.517 km S of Tyonek, Alaska · 1767 days ago · 68 km deep · 66 km away
  30. 1.56 km NE of Kenai, Alaska · 1767 days ago · 62 km deep · 87 km away
  31. 1.65 km S of Point Possession, Alaska · 1767 days ago · 50 km deep · 91 km away
  32. 1.536 km SW of Skwentna, Alaska · 1767 days ago · 106 km deep · 69 km away
  33. 1.626 km W of Susitna, Alaska · 1767 days ago · 67 km deep · 79 km away
  34. 1.551 km WNW of Ninilchik, Alaska · 1767 days ago · 89 km deep · 98 km away
  35. 1.628 km N of Beluga, Alaska · 1767 days ago · 65 km deep · 72 km away
  36. 1.914 km N of Nikiski, Alaska · 1766 days ago · 78 km deep · 67 km away
  37. 1.537 km S of Skwentna, Alaska · 1766 days ago · 76 km deep · 74 km away
  38. 2.112 km SW of Salamatof, Alaska · 1766 days ago · 69 km deep · 81 km away
  39. 1.634 km SSW of Skwentna, Alaska · 1766 days ago · 82 km deep · 68 km away
  40. 1.678 km W of Salamatof, Alaska · 1766 days ago · 113 km deep · 72 km away
  41. 1.554 km NW of Ninilchik, Alaska · 1765 days ago · 102 km deep · 86 km away
  42. 1.7Southern Alaska · 1765 days ago · 6 km deep · 26 km away
  43. 1.625 km SE of Skwentna, Alaska · 1765 days ago · 64 km deep · 95 km away
  44. 1.965 km SW of Skwentna, Alaska · 1765 days ago · 127 km deep · 40 km away
  45. 2.338 km W of Cohoe, Alaska · 1765 days ago · 85 km deep · 83 km away
  46. 1.629 km SSE of Skwentna, Alaska · 1765 days ago · 68 km deep · 90 km away
  47. 1.623 km SSW of Susitna, Alaska · 1764 days ago · 51 km deep · 87 km away
  48. 1.814 km SSW of Skwentna, Alaska · 1763 days ago · 75 km deep · 88 km away · felt by 1
  49. 1.611 km WSW of Salamatof, Alaska · 1763 days ago · 65 km deep · 79 km away
  50. 1.646 km NW of Ninilchik, Alaska · 1763 days ago · 83 km deep · 92 km away
  51. 1.547 km W of Tyonek, Alaska · 1763 days ago · 90 km deep · 14 km away
  52. 1.745 km WNW of Beluga, Alaska · 1762 days ago · 83 km deep · 31 km away
  53. 1.559 km NW of Ninilchik, Alaska · 1762 days ago · 89 km deep · 88 km away
  54. 1.513 km WNW of Susitna, Alaska · 1762 days ago · 45 km deep · 93 km away
  55. 1.861 km W of Salamatof, Alaska · 1762 days ago · 101 km deep · 59 km away
  56. 1.650 km NW of Beluga, Alaska · 1761 days ago · 92 km deep · 51 km away
  57. 1.7Central Alaska · 1761 days ago · 102 km deep · 97 km away
  58. 1.630 km NW of Nikiski, Alaska · 1760 days ago · 74 km deep · 44 km away
  59. 1.748 km NW of Ninilchik, Alaska · 1760 days ago · 81 km deep · 92 km away
  60. 1.943 km NW of Ninilchik, Alaska · 1760 days ago · 89 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 ak021du5b68p. Read Thu, Sep 24, 2026, 2:10 AM UTC.