Alaska earthquakes

M1.8 earthquake 29 km SSE of Chickaloon, Alaska

A magnitude 1.8 earthquake struck 29 km SSE of Chickaloon, Alaska on Thu, Dec 16, 2021, 10:03 PM AKST (07:03 UTC), 22 km (14 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M3.5 11 km NNE of Hope, 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), micro
Local time
UTC
2021-12-17 07:03:26 UTC
Depth
22.0 km (13.7 mi), shallow
Epicenter
61.535° N, 148.351° W
Region
Alaska
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

An automatic solution; a seismologist may revise it.

Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 173 in the 60 days after this one and 79 in the 30 days before it.

After

  1. 2.125 km NW of Valdez, Alaska · 1747 days ago · 15 km deep · 91 km away
  2. 1.68 km W of Point MacKenzie, Alaska · 1747 days ago · 39 km deep · 97 km away
  3. 3.511 km NNE of Hope, Alaska · 1747 days ago · 28 km deep · 87 km away · felt by 227
  4. 1.810 km NE of Knik River, Alaska · 1747 days ago · 20 km deep · 23 km away
  5. 1.65 km NW of Knik, Alaska · 1747 days ago · 37 km deep · 77 km away
  6. 1.58 km N of Tanaina, Alaska · 1747 days ago · 28 km deep · 60 km away
  7. 1.86 km NNW of Point MacKenzie, Alaska · 1746 days ago · 27 km deep · 89 km away
  8. 1.57 km SSW of Big Lake, Alaska · 1745 days ago · 31 km deep · 89 km away
  9. 1.530 km NW of Valdez, Alaska · 1745 days ago · 9 km deep · 87 km away
  10. 1.741 km N of Sutton-Alpine, Alaska · 1744 days ago · 25 km deep · 73 km away
  11. 2.140 km NW of Valdez, Alaska · 1744 days ago · 8 km deep · 80 km away
  12. 1.641 km S of Glacier View, Alaska · 1743 days ago · 13 km deep · 33 km away
  13. 1.633 km W of Tatitlek, Alaska · 1743 days ago · 23 km deep · 91 km away
  14. 1.516 km NE of Willow, Alaska · 1743 days ago · 58 km deep · 86 km away
  15. 2.39 km ENE of Big Lake, Alaska · 1743 days ago · 51 km deep · 76 km away · felt by 4
  16. 2.4Southern Alaska · 1743 days ago · 9 km deep · 64 km away
  17. 3.2Southern Alaska · 1742 days ago · 9 km deep · 91 km away · felt by 1
  18. 1.829 km WNW of Valdez, Alaska · 1742 days ago · 12 km deep · 87 km away
  19. 2.64 km S of Houston, Alaska · 1741 days ago · 19 km deep · 77 km away · felt by 2
  20. 2.638 km NNW of Valdez, Alaska · 1741 days ago · 13 km deep · 91 km away
  21. 1.534 km SSE of Chickaloon, Alaska · 1739 days ago · 29 km deep · 8 km away
  22. 1.650 km ENE of Susitna North, Alaska · 1739 days ago · 25 km deep · 98 km away
  23. 1.65 km NNE of Point MacKenzie, Alaska · 1739 days ago · 45 km deep · 86 km away
  24. 3.22 km WNW of Point MacKenzie, Alaska · 1738 days ago · 44 km deep · 90 km away · felt by 33
  25. 2.650 km WSW of Tatitlek, Alaska · 1738 days ago · 9 km deep · 96 km away · felt by 2
  26. 3.335 km NW of Valdez, Alaska · 1737 days ago · 10 km deep · 83 km away · felt by 3
  27. 1.84 km SSE of Big Lake, Alaska · 1737 days ago · 41 km deep · 84 km away
  28. 2.134 km SW of Glacier View, Alaska · 1737 days ago · 22 km deep · 17 km away
  29. 1.531 km NNW of Valdez, Alaska · 1737 days ago · 15 km deep · 100 km away
  30. 1.616 km ESE of Glacier View, Alaska · 1736 days ago · 26 km deep · 55 km away
  31. 1.55 km ESE of Big Lake, Alaska · 1735 days ago · 25 km deep · 80 km away
  32. 2.823 km ENE of Girdwood, Alaska · 1735 days ago · 10 km deep · 59 km away
  33. 1.948 km NNW of Valdez, Alaska · 1735 days ago · 20 km deep · 92 km away
  34. 2.836 km NNW of Glacier View, Alaska · 1735 days ago · 24 km deep · 64 km away
  35. 1.62 km E of Big Lake, Alaska · 1735 days ago · 35 km deep · 82 km away
  36. 2.031 km SSW of Glacier View, Alaska · 1735 days ago · 27 km deep · 28 km away
  37. 1.76 km NW of Big Lake, Alaska · 1733 days ago · 41 km deep · 89 km away
  38. 1.615 km ESE of Eagle River, Alaska · 1733 days ago · 27 km deep · 60 km away
  39. 1.534 km ENE of Susitna North, Alaska · 1732 days ago · 36 km deep · 91 km away
  40. 1.515 km S of Susitna North, Alaska · 1732 days ago · 44 km deep · 97 km away
  41. 2.12 km S of Houston, Alaska · 1731 days ago · 33 km deep · 78 km away
  42. 1.533 km NW of Valdez, Alaska · 1731 days ago · 16 km deep · 87 km away
  43. 1.646 km SSE of Nelchina, Alaska · 1731 days ago · 30 km deep · 99 km away
  44. 2.91 km N of Point MacKenzie, Alaska · 1731 days ago · 36 km deep · 88 km away · felt by 9
  45. 1.839 km NNW of Valdez, Alaska · 1731 days ago · 21 km deep · 90 km away
  46. 2.115 km WNW of Eureka Roadhouse, Alaska · 1730 days ago · 25 km deep · 68 km away
  47. 1.54 km SW of Big Lake, Alaska · 1730 days ago · 28 km deep · 88 km away
  48. 3.011 km E of Willow, Alaska · 1730 days ago · 50 km deep · 81 km away · felt by 4
  49. 1.62 km SE of Big Lake, Alaska · 1730 days ago · 53 km deep · 83 km away
  50. 2.90 km E of Big Lake, Alaska · 1728 days ago · 8 km deep · 84 km away · felt by 10
  51. 1.87 km NNW of Big Lake, Alaska · 1728 days ago · 39 km deep · 87 km away
  52. 1.512 km SW of Knik River, Alaska · 1728 days ago · 22 km deep · 42 km away
  53. 1.524 km NNW of Eureka Roadhouse, Alaska · 1728 days ago · 26 km deep · 82 km away
  54. 2.428 km NE of Girdwood, Alaska · 1727 days ago · 31 km deep · 51 km away
  55. 2.042 km NW of Valdez, Alaska · 1727 days ago · 19 km deep · 80 km away
  56. 2.041 km NW of Valdez, Alaska · 1727 days ago · 25 km deep · 82 km away
  57. 2.69 km WNW of Fishhook, Alaska · 1727 days ago · 34 km deep · 62 km away · felt by 1
  58. 1.936 km NW of Valdez, Alaska · 1726 days ago · 12 km deep · 81 km away
  59. 2.26 km NW of Meadow Lakes, Alaska · 1726 days ago · 35 km deep · 72 km away
  60. 1.63 km ENE of Big Lake, Alaska · 1726 days ago · 45 km deep · 81 km away

The first 60 of 173.

Before

  1. 1.942 km NNW of Valdez, Alaska · 1748 days ago · 22 km deep · 93 km away
  2. 2.142 km NNW of Valdez, Alaska · 1748 days ago · 15 km deep · 95 km away
  3. 1.747 km SSE of Nelchina, Alaska · 1749 days ago · 13 km deep · 97 km away
  4. 2.349 km NNW of Chickaloon, Alaska · 1750 days ago · 19 km deep · 79 km away
  5. 2.48 km W of Point MacKenzie, Alaska · 1750 days ago · 39 km deep · 96 km away · felt by 1
  6. 1.934 km NNW of Valdez, Alaska · 1751 days ago · 14 km deep · 93 km away
  7. 2.726 km ESE of Susitna North, Alaska · 1751 days ago · 38 km deep · 79 km away
  8. 1.555 km WSW of Tatitlek, Alaska · 1751 days ago · 8 km deep · 100 km away
  9. 1.534 km NNW of Sutton-Alpine, Alaska · 1751 days ago · 39 km deep · 69 km away
  10. 1.638 km NW of Valdez, Alaska · 1751 days ago · 14 km deep · 84 km away
  11. 2.136 km NNW of Valdez, Alaska · 1751 days ago · 19 km deep · 90 km away
  12. 1.645 km N of Chickaloon, Alaska · 1752 days ago · 27 km deep · 75 km away
  13. 1.647 km N of Chickaloon, Alaska · 1752 days ago · 34 km deep · 77 km away
  14. 1.52 km SSE of Houston, Alaska · 1752 days ago · 53 km deep · 77 km away
  15. 2.860 km N of Chickaloon, Alaska · 1752 days ago · 41 km deep · 90 km away
  16. 1.75 km S of Point MacKenzie, Alaska · 1752 days ago · 36 km deep · 91 km away
  17. 2.13 km ESE of Big Lake, Alaska · 1752 days ago · 41 km deep · 82 km away
  18. 2.41 km N of Meadow Lakes, Alaska · 1752 days ago · 25 km deep · 67 km away
  19. 1.910 km NNW of Meadow Lakes, Alaska · 1753 days ago · 41 km deep · 72 km away
  20. 2.428 km SE of Susitna North, Alaska · 1753 days ago · 42 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021g4ltjrq. Read Tue, Sep 29, 2026, 6:54 PM UTC.