Alaska earthquakes

M1.8 earthquake 10 km NE of Knik River, Alaska

A magnitude 1.8 earthquake struck 10 km NE of Knik River, Alaska on Fri, Dec 17, 2021, 7:57 AM AKST (16:57 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M3.4 8 km NW of Point MacKenzie, Alaska. This one was a foreshock.

Knik River 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, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-12-17 16:57:34 UTC
Depth
19.9 km (12.4 mi), shallow
Epicenter
61.530° N, 148.783° 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
59

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 158 in the 60 days after this one and 91 in the 30 days before it.

After

  1. 1.824 km WNW of Willow, Alaska · 1749 days ago · 45 km deep · 95 km away
  2. 1.65 km NW of Knik, Alaska · 1749 days ago · 37 km deep · 54 km away
  3. 1.58 km N of Tanaina, Alaska · 1749 days ago · 28 km deep · 39 km away
  4. 1.86 km NNW of Point MacKenzie, Alaska · 1748 days ago · 27 km deep · 66 km away
  5. 1.57 km SSW of Big Lake, Alaska · 1747 days ago · 31 km deep · 66 km away
  6. 1.79 km SSW of Hope, Alaska · 1747 days ago · 28 km deep · 91 km away
  7. 1.741 km N of Sutton-Alpine, Alaska · 1746 days ago · 25 km deep · 68 km away
  8. 1.641 km S of Glacier View, Alaska · 1745 days ago · 13 km deep · 55 km away
  9. 1.516 km NE of Willow, Alaska · 1745 days ago · 58 km deep · 66 km away
  10. 2.39 km ENE of Big Lake, Alaska · 1745 days ago · 51 km deep · 53 km away · felt by 4
  11. 2.4Southern Alaska · 1745 days ago · 9 km deep · 86 km away
  12. 2.421 km WSW of Anchorage, Alaska · 1744 days ago · 43 km deep · 90 km away · felt by 1
  13. 2.64 km S of Houston, Alaska · 1743 days ago · 19 km deep · 55 km away · felt by 2
  14. 1.534 km SSE of Chickaloon, Alaska · 1741 days ago · 29 km deep · 30 km away
  15. 1.650 km ENE of Susitna North, Alaska · 1741 days ago · 25 km deep · 94 km away
  16. 1.65 km NNE of Point MacKenzie, Alaska · 1741 days ago · 45 km deep · 64 km away
  17. 3.22 km WNW of Point MacKenzie, Alaska · 1740 days ago · 44 km deep · 68 km away · felt by 33
  18. 1.522 km WNW of Willow, Alaska · 1740 days ago · 60 km deep · 93 km away
  19. 1.84 km SSE of Big Lake, Alaska · 1739 days ago · 41 km deep · 61 km away
  20. 2.134 km SW of Glacier View, Alaska · 1739 days ago · 22 km deep · 40 km away
  21. 1.836 km NE of Susitna North, Alaska · 1738 days ago · 55 km deep · 99 km away
  22. 1.616 km ESE of Glacier View, Alaska · 1738 days ago · 26 km deep · 77 km away
  23. 1.55 km ESE of Big Lake, Alaska · 1737 days ago · 25 km deep · 57 km away
  24. 2.823 km ENE of Girdwood, Alaska · 1737 days ago · 10 km deep · 54 km away
  25. 2.836 km NNW of Glacier View, Alaska · 1737 days ago · 24 km deep · 74 km away
  26. 1.62 km E of Big Lake, Alaska · 1737 days ago · 35 km deep · 59 km away
  27. 2.031 km SSW of Glacier View, Alaska · 1737 days ago · 27 km deep · 50 km away
  28. 1.76 km NW of Big Lake, Alaska · 1735 days ago · 41 km deep · 66 km away
  29. 1.615 km ESE of Eagle River, Alaska · 1735 days ago · 27 km deep · 41 km away
  30. 1.534 km ENE of Susitna North, Alaska · 1734 days ago · 36 km deep · 83 km away
  31. 1.51 km SW of Susitna, Alaska · 1734 days ago · 59 km deep · 93 km away
  32. 1.515 km S of Susitna North, Alaska · 1734 days ago · 44 km deep · 79 km away
  33. 1.612 km NE of Susitna North, Alaska · 1733 days ago · 55 km deep · 91 km away
  34. 2.12 km S of Houston, Alaska · 1733 days ago · 33 km deep · 55 km away
  35. 2.91 km N of Point MacKenzie, Alaska · 1733 days ago · 36 km deep · 66 km away · felt by 9
  36. 2.115 km WNW of Eureka Roadhouse, Alaska · 1732 days ago · 25 km deep · 86 km away
  37. 1.54 km SW of Big Lake, Alaska · 1732 days ago · 28 km deep · 65 km away
  38. 3.011 km E of Willow, Alaska · 1732 days ago · 50 km deep · 60 km away · felt by 4
  39. 1.62 km SE of Big Lake, Alaska · 1732 days ago · 53 km deep · 60 km away
  40. 2.90 km E of Big Lake, Alaska · 1730 days ago · 8 km deep · 61 km away · felt by 10
  41. 1.87 km NNW of Big Lake, Alaska · 1730 days ago · 39 km deep · 64 km away
  42. 1.512 km SW of Knik River, Alaska · 1730 days ago · 22 km deep · 23 km away
  43. 1.524 km NNW of Eureka Roadhouse, Alaska · 1730 days ago · 26 km deep · 98 km away
  44. 2.428 km NE of Girdwood, Alaska · 1729 days ago · 31 km deep · 43 km away
  45. 1.64 km WSW of Susitna, Alaska · 1729 days ago · 56 km deep · 96 km away
  46. 2.69 km WNW of Fishhook, Alaska · 1729 days ago · 34 km deep · 43 km away · felt by 1
  47. 2.26 km NW of Meadow Lakes, Alaska · 1728 days ago · 35 km deep · 50 km away
  48. 1.63 km ENE of Big Lake, Alaska · 1728 days ago · 45 km deep · 58 km away
  49. 1.85 km NW of Point MacKenzie, Alaska · 1728 days ago · 41 km deep · 69 km away
  50. 2.215 km N of Fishhook, Alaska · 1727 days ago · 11 km deep · 45 km away · felt by 1
  51. 1.652 km WNW of Valdez, Alaska · 1727 days ago · 11 km deep · 86 km away
  52. 1.922 km ENE of Willow, Alaska · 1727 days ago · 11 km deep · 57 km away
  53. 1.65 km SSW of Hope, Alaska · 1727 days ago · 25 km deep · 87 km away
  54. 2.546 km SSE of Glacier View, Alaska · 1727 days ago · 16 km deep · 84 km away
  55. 2.620 km N of Girdwood, Alaska · 1726 days ago · 16 km deep · 49 km away · felt by 2
  56. 1.56 km SSE of Knik, Alaska · 1726 days ago · 26 km deep · 49 km away
  57. 2.015 km NNE of Willow, Alaska · 1725 days ago · 40 km deep · 73 km away
  58. 2.115 km S of Susitna North, Alaska · 1725 days ago · 51 km deep · 78 km away
  59. 2.411 km NW of Girdwood, Alaska · 1725 days ago · 20 km deep · 65 km away
  60. 1.626 km NNE of Chickaloon, Alaska · 1725 days ago · 12 km deep · 61 km away

The first 60 of 158.

Before

  1. 3.511 km NNE of Hope, Alaska · 1749 days ago · 28 km deep · 71 km away · felt by 227
  2. 1.514 km SW of Point MacKenzie, Alaska · 1749 days ago · 37 km deep · 79 km away · felt by 4
  3. 1.68 km W of Point MacKenzie, Alaska · 1749 days ago · 39 km deep · 74 km away
  4. 1.829 km SSE of Chickaloon, Alaska · 1750 days ago · 22 km deep · 23 km away
  5. 1.6Southern Alaska · 1750 days ago · 10 km deep · 81 km away
  6. 2.012 km NE of Susitna North, Alaska · 1750 days ago · 48 km deep · 91 km away
  7. 1.828 km S of Susitna, Alaska · 1750 days ago · 62 km deep · 100 km away
  8. 2.0Southern Alaska · 1751 days ago · 55 km deep · 95 km away
  9. 2.349 km NNW of Chickaloon, Alaska · 1752 days ago · 19 km deep · 78 km away
  10. 2.48 km W of Point MacKenzie, Alaska · 1752 days ago · 39 km deep · 74 km away · felt by 1
  11. 1.726 km SW of Anchorage, Alaska · 1753 days ago · 45 km deep · 95 km away
  12. 2.726 km ESE of Susitna North, Alaska · 1753 days ago · 38 km deep · 66 km away
  13. 1.534 km NNW of Sutton-Alpine, Alaska · 1753 days ago · 39 km deep · 61 km away
  14. 1.645 km N of Chickaloon, Alaska · 1754 days ago · 27 km deep · 76 km away
  15. 1.647 km N of Chickaloon, Alaska · 1754 days ago · 34 km deep · 78 km away
  16. 1.52 km SSE of Houston, Alaska · 1754 days ago · 53 km deep · 54 km away
  17. 2.860 km N of Chickaloon, Alaska · 1754 days ago · 41 km deep · 92 km away
  18. 1.75 km S of Point MacKenzie, Alaska · 1754 days ago · 36 km deep · 69 km away
  19. 2.13 km ESE of Big Lake, Alaska · 1754 days ago · 41 km deep · 59 km away
  20. 2.41 km N of Meadow Lakes, Alaska · 1754 days ago · 25 km deep · 45 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021g4ri1co. Read Thu, Oct 1, 2026, 6:48 PM UTC.