Alaska earthquakes

M1.8 earthquake 28 km SW of Susitna, Alaska

A magnitude 1.8 earthquake struck 28 km SW of Susitna, Alaska on Fri, Dec 31, 2021, 6:12 AM AKST (15:12 UTC), 67 km (42 mi) below the surface.

A larger quake followed: M2.0 17 km SW of Anchorage, Alaska. This one was a foreshock.

Point MacKenzie 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
2021-12-31 15:12:46 UTC
Depth
66.9 km (41.6 mi), shallow
Epicenter
61.401° N, 150.957° 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
38

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. 1.631 km WNW of Nikiski, Alaska · 1710 days ago · 82 km deep · 86 km away
  2. 1.52 km NE of Hope, Alaska · 1710 days ago · 31 km deep · 90 km away
  3. 1.522 km SSW of Susitna, Alaska · 1709 days ago · 46 km deep · 15 km away
  4. 1.643 km WNW of Nikiski, Alaska · 1708 days ago · 83 km deep · 90 km away
  5. 2.017 km SW of Anchorage, Alaska · 1708 days ago · 43 km deep · 54 km away
  6. 2.110 km NW of Sterling, Alaska · 1708 days ago · 46 km deep · 88 km away
  7. 1.514 km NNW of Tanaina, Alaska · 1708 days ago · 37 km deep · 86 km away
  8. 1.533 km WNW of Beluga, Alaska · 1708 days ago · 81 km deep · 43 km away
  9. 1.52 km SSW of Big Lake, Alaska · 1708 days ago · 31 km deep · 54 km away
  10. 1.65 km SSE of Big Lake, Alaska · 1708 days ago · 26 km deep · 56 km away
  11. 1.966 km W of Tyonek, Alaska · 1708 days ago · 113 km deep · 85 km away
  12. 1.619 km SE of Eagle River, Alaska · 1708 days ago · 21 km deep · 93 km away
  13. 1.864 km WNW of Nikiski, Alaska · 1707 days ago · 115 km deep · 95 km away
  14. 1.761 km W of Tyonek, Alaska · 1706 days ago · 105 km deep · 80 km away
  15. 1.89 km NNE of Skwentna, Alaska · 1706 days ago · 85 km deep · 78 km away
  16. 2.530 km S of Skwentna, Alaska · 1706 days ago · 74 km deep · 40 km away
  17. 2.235 km WNW of Beluga, Alaska · 1706 days ago · 81 km deep · 40 km away
  18. 1.520 km S of Susitna, Alaska · 1706 days ago · 46 km deep · 27 km away
  19. 1.816 km SE of Susitna, Alaska · 1706 days ago · 52 km deep · 34 km away
  20. 1.57 km SW of Salamatof, Alaska · 1706 days ago · 63 km deep · 95 km away
  21. 1.717 km SSE of Skwentna, Alaska · 1706 days ago · 70 km deep · 52 km away
  22. 1.722 km W of Nikiski, Alaska · 1705 days ago · 78 km deep · 87 km away
  23. 1.91 km S of Houston, Alaska · 1705 days ago · 52 km deep · 65 km away
  24. 1.821 km WSW of Skwentna, Alaska · 1704 days ago · 105 km deep · 75 km away
  25. 1.96 km NNW of Lakes, Alaska · 1704 days ago · 41 km deep · 91 km away · felt by 1
  26. 1.819 km W of Skwentna, Alaska · 1704 days ago · 90 km deep · 80 km away
  27. 1.666 km W of Tyonek, Alaska · 1703 days ago · 111 km deep · 86 km away
  28. 1.88 km S of Gateway, Alaska · 1703 days ago · 29 km deep · 91 km away
  29. 1.636 km S of Skwentna, Alaska · 1703 days ago · 9 km deep · 34 km away
  30. 1.51 km WSW of Point MacKenzie, Alaska · 1703 days ago · 33 km deep · 51 km away
  31. 1.54 km N of Nikiski, Alaska · 1703 days ago · 3 km deep · 77 km away
  32. 1.627 km WNW of Nikiski, Alaska · 1702 days ago · 83 km deep · 81 km away
  33. 3.238 km E of Skwentna, Alaska · 1702 days ago · 64 km deep · 63 km away · felt by 2
  34. 1.560 km WNW of Beluga, Alaska · 1702 days ago · 111 km deep · 65 km away
  35. 2.424 km NE of Sterling, Alaska · 1702 days ago · 52 km deep · 88 km away
  36. 1.52 km W of Point MacKenzie, Alaska · 1701 days ago · 42 km deep · 50 km away
  37. 1.623 km NNE of Beluga, Alaska · 1701 days ago · 62 km deep · 9 km away
  38. 1.866 km W of Tyonek, Alaska · 1701 days ago · 110 km deep · 86 km away
  39. 1.535 km SW of Skwentna, Alaska · 1700 days ago · 96 km deep · 61 km away
  40. 2.764 km WNW of Nikiski, Alaska · 1700 days ago · 118 km deep · 95 km away
  41. 1.729 km NNW of Susitna, Alaska · 1700 days ago · 65 km deep · 42 km away · felt by 1
  42. 1.632 km NE of Skwentna, Alaska · 1700 days ago · 72 km deep · 91 km away
  43. 2.015 km S of Point Possession, Alaska · 1700 days ago · 55 km deep · 69 km away
  44. 1.618 km W of Tyonek, Alaska · 1700 days ago · 67 km deep · 47 km away
  45. 1.76 km NNE of Houston, Alaska · 1700 days ago · 19 km deep · 70 km away · felt by 1
  46. 1.632 km NW of Beluga, Alaska · 1699 days ago · 80 km deep · 27 km away
  47. 1.529 km SSW of Petersville, Alaska · 1699 days ago · 73 km deep · 93 km away
  48. 2.025 km NE of Skwentna, Alaska · 1699 days ago · 81 km deep · 86 km away
  49. 1.619 km S of Susitna, Alaska · 1699 days ago · 45 km deep · 23 km away
  50. 2.237 km NW of Nikiski, Alaska · 1699 days ago · 79 km deep · 71 km away
  51. 1.625 km NE of Skwentna, Alaska · 1699 days ago · 81 km deep · 86 km away
  52. 1.721 km ENE of Point Possession, Alaska · 1699 days ago · 48 km deep · 57 km away
  53. 2.224 km NW of Beluga, Alaska · 1699 days ago · 63 km deep · 23 km away
  54. 2.07 km NW of Point MacKenzie, Alaska · 1699 days ago · 36 km deep · 46 km away
  55. 1.515 km ESE of Point Possession, Alaska · 1699 days ago · 19 km deep · 64 km away
  56. 1.817 km NNE of Houston, Alaska · 1699 days ago · 37 km deep · 78 km away
  57. 1.756 km SSW of Skwentna, Alaska · 1698 days ago · 99 km deep · 54 km away
  58. 1.627 km SSW of Petersville, Alaska · 1698 days ago · 10 km deep · 99 km away
  59. 3.31 km NNE of Big Lake, Alaska · 1698 days ago · 48 km deep · 56 km away · felt by 28
  60. 1.61 km ENE of Big Lake, Alaska · 1698 days ago · 40 km deep · 56 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021grw5uko. Read Wed, Sep 23, 2026, 5:40 PM UTC.