Alaska earthquakes

M1.5 earthquake 27 km WNW of Happy Valley, Alaska

A magnitude 1.5 earthquake struck 27 km WNW of Happy Valley, Alaska on Tue, Dec 28, 2021, 10:43 AM AKST (19:43 UTC), 68 km (42 mi) below the surface.

A larger quake followed: M5.1 48 km NW of Ninilchik, Alaska. This one was a foreshock.

Happy Valley 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
1.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-12-28 19:43:14 UTC
Depth
67.7 km (42.1 mi), shallow
Epicenter
60.065° N, 152.175° 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
42

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 2.239 km WNW of Nanwalek, Alaska · 1738 days ago · 71 km deep · 64 km away
  2. 1.947 km ENE of Pedro Bay, Alaska · 1738 days ago · 143 km deep · 68 km away
  3. 1.559 km WNW of Nikiski, Alaska · 1738 days ago · 103 km deep · 85 km away
  4. 1.762 km ENE of Pedro Bay, Alaska · 1738 days ago · 99 km deep · 50 km away
  5. 1.637 km NW of Ninilchik, Alaska · 1738 days ago · 89 km deep · 25 km away
  6. 2.244 km ESE of Pedro Bay, Alaska · 1738 days ago · 123 km deep · 77 km away
  7. 1.761 km W of Anchor Point, Alaska · 1737 days ago · 102 km deep · 48 km away
  8. 1.638 km ENE of Pedro Bay, Alaska · 1737 days ago · 127 km deep · 73 km away
  9. 2.071 km ENE of Port Alsworth, Alaska · 1737 days ago · 136 km deep · 59 km away
  10. 1.648 km E of Pedro Bay, Alaska · 1737 days ago · 107 km deep · 71 km away
  11. 1.520 km WNW of Kalifornsky, Alaska · 1737 days ago · 71 km deep · 54 km away
  12. 1.658 km ESE of Pedro Bay, Alaska · 1737 days ago · 100 km deep · 67 km away
  13. 1.539 km W of Salamatof, Alaska · 1737 days ago · 83 km deep · 56 km away
  14. 1.5Southern Alaska · 1737 days ago · 114 km deep · 95 km away
  15. 2.128 km WNW of Kalifornsky, Alaska · 1737 days ago · 73 km deep · 50 km away · felt by 1
  16. 1.562 km E of Port Alsworth, Alaska · 1737 days ago · 142 km deep · 57 km away
  17. 1.669 km E of Port Alsworth, Alaska · 1737 days ago · 133 km deep · 54 km away
  18. 1.756 km E of Pedro Bay, Alaska · 1737 days ago · 122 km deep · 57 km away
  19. 2.461 km WNW of Happy Valley, Alaska · 1737 days ago · 112 km deep · 34 km away
  20. 1.751 km NE of Pedro Bay, Alaska · 1736 days ago · 140 km deep · 66 km away
  21. 1.533 km W of Nanwalek, Alaska · 1736 days ago · 84 km deep · 77 km away
  22. 1.658 km E of Port Alsworth, Alaska · 1736 days ago · 148 km deep · 61 km away
  23. 1.639 km WNW of Nanwalek, Alaska · 1736 days ago · 76 km deep · 71 km away
  24. 2.59 km WNW of Happy Valley, Alaska · 1736 days ago · 79 km deep · 18 km away
  25. 1.562 km WNW of Anchor Point, Alaska · 1736 days ago · 86 km deep · 44 km away
  26. 1.761 km WNW of Happy Valley, Alaska · 1736 days ago · 106 km deep · 34 km away
  27. 1.841 km ENE of Pedro Bay, Alaska · 1736 days ago · 136 km deep · 71 km away
  28. 1.8Southern Alaska · 1736 days ago · 112 km deep · 56 km away
  29. 2.053 km WNW of Happy Valley, Alaska · 1736 days ago · 94 km deep · 28 km away
  30. 1.732 km E of Pedro Bay, Alaska · 1736 days ago · 136 km deep · 81 km away
  31. 1.931 km W of Salamatof, Alaska · 1736 days ago · 79 km deep · 64 km away
  32. 2.243 km ENE of Pedro Bay, Alaska · 1735 days ago · 136 km deep · 68 km away
  33. 2.530 km E of Pedro Bay, Alaska · 1735 days ago · 129 km deep · 82 km away
  34. 1.759 km W of Nanwalek, Alaska · 1735 days ago · 95 km deep · 83 km away
  35. 1.933 km E of Pedro Bay, Alaska · 1735 days ago · 126 km deep · 79 km away
  36. 1.666 km W of Nikiski, Alaska · 1735 days ago · 109 km deep · 80 km away
  37. 1.944 km W of Anchor Point, Alaska · 1735 days ago · 84 km deep · 37 km away
  38. 2.156 km NE of Pedro Bay, Alaska · 1735 days ago · 124 km deep · 62 km away
  39. 1.943 km W of Happy Valley, Alaska · 1734 days ago · 80 km deep · 19 km away
  40. 1.848 km WNW of Clam Gulch, Alaska · 1734 days ago · 84 km deep · 36 km away
  41. 2.663 km NW of Ninilchik, Alaska · 1734 days ago · 105 km deep · 47 km away · felt by 1
  42. 1.866 km ENE of Pedro Bay, Alaska · 1734 days ago · 118 km deep · 48 km away
  43. 1.841 km WNW of Nikiski, Alaska · 1734 days ago · 86 km deep · 92 km away
  44. 2.449 km E of Port Alsworth, Alaska · 1734 days ago · 151 km deep · 70 km away
  45. 1.837 km WNW of Anchor Point, Alaska · 1734 days ago · 86 km deep · 23 km away
  46. 1.760 km WNW of Nikiski, Alaska · 1734 days ago · 99 km deep · 87 km away
  47. 2.134 km ENE of Pedro Bay, Alaska · 1733 days ago · 137 km deep · 77 km away
  48. 1.710 km NNW of Anchor Point, Alaska · 1733 days ago · 63 km deep · 27 km away
  49. 1.929 km W of Salamatof, Alaska · 1733 days ago · 78 km deep · 65 km away
  50. 2.436 km NE of Pedro Bay, Alaska · 1733 days ago · 162 km deep · 83 km away
  51. 1.626 km WNW of Anchor Point, Alaska · 1733 days ago · 75 km deep · 19 km away
  52. 1.742 km NW of Ninilchik, Alaska · 1733 days ago · 81 km deep · 30 km away
  53. 1.527 km WNW of Nikiski, Alaska · 1733 days ago · 85 km deep · 78 km away
  54. 1.846 km WNW of Happy Valley, Alaska · 1733 days ago · 82 km deep · 20 km away
  55. 1.973 km WNW of Happy Valley, Alaska · 1733 days ago · 112 km deep · 46 km away
  56. 1.847 km WNW of Ninilchik, Alaska · 1733 days ago · 83 km deep · 22 km away
  57. 1.833 km WNW of Nanwalek, Alaska · 1733 days ago · 74 km deep · 67 km away
  58. 1.949 km WNW of Ninilchik, Alaska · 1732 days ago · 92 km deep · 22 km away
  59. 1.858 km WNW of Anchor Point, Alaska · 1732 days ago · 97 km deep · 43 km away
  60. 1.638 km WSW of Anchor Point, Alaska · 1732 days ago · 79 km deep · 50 km away

The first 60 of at least 202.

Before

  1. 1.513 km E of Kasilof, Alaska · 1739 days ago · 50 km deep · 71 km away
  2. 1.8Kenai Peninsula, Alaska · 1739 days ago · 62 km deep · 45 km away
  3. 2.041 km W of Anchor Point, Alaska · 1739 days ago · 82 km deep · 38 km away
  4. 1.652 km W of Anchor Point, Alaska · 1739 days ago · 83 km deep · 47 km away
  5. 1.640 km W of Nanwalek, Alaska · 1739 days ago · 74 km deep · 76 km away
  6. 3.417 km SW of Nanwalek, Alaska · 1739 days ago · 60 km deep · 91 km away · felt by 3
  7. 1.852 km W of Happy Valley, Alaska · 1739 days ago · 90 km deep · 27 km away
  8. 2.037 km ENE of Pedro Bay, Alaska · 1739 days ago · 131 km deep · 74 km away
  9. 1.532 km W of Kalifornsky, Alaska · 1739 days ago · 74 km deep · 47 km away
  10. 1.568 km WNW of Ninilchik, Alaska · 1739 days ago · 117 km deep · 45 km away
  11. 1.565 km ENE of Pedro Bay, Alaska · 1739 days ago · 105 km deep · 47 km away
  12. 1.654 km WSW of Anchor Point, Alaska · 1739 days ago · 88 km deep · 55 km away
  13. 1.953 km W of Anchor Point, Alaska · 1739 days ago · 82 km deep · 51 km away
  14. 1.668 km W of Happy Valley, Alaska · 1739 days ago · 102 km deep · 43 km away
  15. 1.541 km W of Anchor Point, Alaska · 1740 days ago · 77 km deep · 34 km away
  16. 1.51 km SSW of Nikolaevsk, Alaska · 1740 days ago · 57 km deep · 43 km away
  17. 1.620 km WSW of Anchor Point, Alaska · 1740 days ago · 69 km deep · 40 km away
  18. 1.739 km WSW of Nanwalek, Alaska · 1740 days ago · 73 km deep · 90 km away
  19. 1.637 km WSW of Nanwalek, Alaska · 1740 days ago · 67 km deep · 94 km away
  20. 1.67 km N of Nanwalek, Alaska · 1740 days ago · 53 km deep · 72 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021gn04454. Read Fri, Oct 2, 2026, 8:51 AM UTC.