Alaska earthquakes

M2.9 earthquake 79 km SE of King Cove, Alaska

A magnitude 2.9 earthquake struck 79 km SE of King Cove, Alaska on Sun, Dec 12, 2021, 9:25 AM AKST (18:25 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.4 99 km SSE of King Cove, Alaska. This one was a foreshock.

King Cove 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-12-12 18:25:22 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
54.489° N, 161.584° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.085 · 18 stations
2.8ML, local (Richter)Alaska Earthquake CenterPreliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.1 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
187°, poorly surrounded by stations
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 73 in the 60 days after this one and 38 in the 30 days before it.

After

  1. 2.658 km S of Sand Point, Alaska · 1755 days ago · 25 km deep · 87 km away
  2. 1.865 km ESE of King Cove, Alaska · 1752 days ago · 66 km deep · 43 km away
  3. 3.123 km WSW of Sand Point, Alaska · 1752 days ago · 98 km deep · 95 km away
  4. 1.987 km SE of False Pass, Alaska · 1752 days ago · 26 km deep · 68 km away
  5. 2.189 km SSE of False Pass, Alaska · 1751 days ago · 5 km deep · 79 km away
  6. 2.942 km ESE of King Cove, Alaska · 1749 days ago · 92 km deep · 44 km away
  7. 2.053 km SSE of Sand Point, Alaska · 1748 days ago · 22 km deep · 91 km away
  8. 2.081 km SE of False Pass, Alaska · 1748 days ago · 43 km deep · 74 km away
  9. 1.959 km S of Sand Point, Alaska · 1747 days ago · 19 km deep · 88 km away
  10. 1.839 km ESE of King Cove, Alaska · 1747 days ago · 73 km deep · 47 km away
  11. 1.886 km SE of King Cove, Alaska · 1746 days ago · 14 km deep · 7 km away
  12. 2.3151 km S of King Cove, Alaska · 1745 days ago · 32 km deep · 91 km away
  13. 2.799 km S of King Cove, Alaska · 1743 days ago · 17 km deep · 52 km away
  14. 2.3150 km S of Sand Point, Alaska · 1742 days ago · 25 km deep · 83 km away
  15. 2.053 km SSW of Sand Point, Alaska · 1741 days ago · 37 km deep · 66 km away
  16. 2.294 km SSE of False Pass, Alaska · 1740 days ago · 27 km deep · 95 km away
  17. 1.866 km ESE of King Cove, Alaska · 1740 days ago · 10 km deep · 41 km away
  18. 2.789 km SSE of King Cove, Alaska · 1738 days ago · 21 km deep · 22 km away
  19. 2.966 km SSE of King Cove, Alaska · 1738 days ago · 35 km deep · 20 km away
  20. 1.980 km ESE of King Cove, Alaska · 1733 days ago · 13 km deep · 36 km away
  21. 2.9109 km S of Sand Point, Alaska · 1732 days ago · 24 km deep · 52 km away
  22. 2.896 km SE of King Cove, Alaska · 1731 days ago · 27 km deep · 30 km away
  23. 1.854 km SSW of King Cove, Alaska · 1730 days ago · 12 km deep · 66 km away
  24. 2.5Alaska Peninsula · 1727 days ago · 28 km deep · 69 km away
  25. 2.889 km S of King Cove, Alaska · 1727 days ago · 21 km deep · 56 km away
  26. 1.987 km SSW of Sand Point, Alaska · 1725 days ago · 26 km deep · 38 km away
  27. 1.855 km S of Sand Point, Alaska · 1725 days ago · 18 km deep · 87 km away
  28. 1.886 km SE of King Cove, Alaska · 1724 days ago · 26 km deep · 7 km away
  29. 2.652 km ENE of King Cove, Alaska · 1722 days ago · 81 km deep · 77 km away
  30. 2.193 km SSE of False Pass, Alaska · 1722 days ago · 14 km deep · 95 km away
  31. 1.653 km SSE of King Cove, Alaska · 1722 days ago · 43 km deep · 39 km away
  32. 2.995 km SSE of Sand Point, Alaska · 1722 days ago · 10 km deep · 96 km away
  33. 3.581 km SE of False Pass, Alaska · 1720 days ago · 35 km deep · 64 km away
  34. 2.876 km SE of False Pass, Alaska · 1720 days ago · 35 km deep · 75 km away
  35. 3.282 km SSE of Sand Point, Alaska · 1720 days ago · 20 km deep · 92 km away
  36. 1.985 km SE of King Cove, Alaska · 1720 days ago · 14 km deep · 6 km away
  37. 2.772 km SE of King Cove, Alaska · 1719 days ago · 28 km deep · 7 km away
  38. 2.259 km SSE of King Cove, Alaska · 1718 days ago · 18 km deep · 23 km away
  39. 2.5121 km S of King Cove, Alaska · 1718 days ago · 20 km deep · 75 km away
  40. 3.167 km SSE of Sand Point, Alaska · 1717 days ago · 23 km deep · 100 km away
  41. 2.258 km SE of King Cove, Alaska · 1716 days ago · 46 km deep · 26 km away
  42. 2.169 km S of Sand Point, Alaska · 1715 days ago · 20 km deep · 68 km away
  43. 2.593 km SE of False Pass, Alaska · 1714 days ago · 24 km deep · 64 km away
  44. 3.176 km S of Sand Point, Alaska · 1714 days ago · 27 km deep · 66 km away
  45. 2.1147 km SE of King Cove, Alaska · 1712 days ago · 40 km deep · 68 km away
  46. 1.539 km SW of King Cove, Alaska · 1712 days ago · 8 km deep · 86 km away
  47. 1.954 km SSW of King Cove, Alaska · 1711 days ago · 13 km deep · 64 km away
  48. 3.065 km SE of King Cove, Alaska · 1710 days ago · 35 km deep · 25 km away
  49. 1.878 km ESE of King Cove, Alaska · 1710 days ago · 26 km deep · 34 km away
  50. 2.351 km S of King Cove, Alaska · 1708 days ago · 48 km deep · 48 km away
  51. 2.644 km SSW of Sand Point, Alaska · 1706 days ago · 57 km deep · 75 km away
  52. 2.1123 km S of Sand Point, Alaska · 1705 days ago · 21 km deep · 55 km away
  53. 2.9100 km SSE of King Cove, Alaska · 1703 days ago · 10 km deep · 40 km away
  54. 2.9Alaska Peninsula · 1703 days ago · 24 km deep · 32 km away
  55. 5.499 km SSE of King Cove, Alaska · 1703 days ago · 31 km deep · 24 km away · felt by 12 · tsunami flag
  56. 2.8100 km SSE of King Cove, Alaska · 1703 days ago · 21 km deep · 23 km away
  57. 2.796 km SSE of King Cove, Alaska · 1703 days ago · 35 km deep · 22 km away
  58. 2.590 km SSE of King Cove, Alaska · 1703 days ago · 20 km deep · 15 km away
  59. 1.888 km SSE of King Cove, Alaska · 1703 days ago · 13 km deep · 13 km away
  60. 3.2106 km SSE of King Cove, Alaska · 1703 days ago · 16 km deep · 28 km away

The first 60 of 73.

Before

  1. 2.789 km SSE of False Pass, Alaska · 1757 days ago · 17 km deep · 92 km away
  2. 2.175 km S of King Cove, Alaska · 1758 days ago · 7 km deep · 59 km away
  3. 2.981 km SE of King Cove, Alaska · 1758 days ago · 29 km deep · 27 km away
  4. 2.5111 km SSW of Sand Point, Alaska · 1758 days ago · 27 km deep · 48 km away
  5. 2.569 km S of Sand Point, Alaska · 1760 days ago · 27 km deep · 65 km away
  6. 2.996 km SE of King Cove, Alaska · 1760 days ago · 18 km deep · 18 km away
  7. 2.960 km SE of King Cove, Alaska · 1762 days ago · 33 km deep · 21 km away
  8. 3.592 km SSW of Sand Point, Alaska · 1762 days ago · 11 km deep · 40 km away
  9. 1.9Alaska Peninsula · 1762 days ago · 18 km deep · 85 km away
  10. 2.597 km SSE of False Pass, Alaska · 1762 days ago · 35 km deep · 97 km away
  11. 3.0105 km S of King Cove, Alaska · 1763 days ago · 13 km deep · 59 km away
  12. 1.780 km SE of King Cove, Alaska · 1763 days ago · 21 km deep · 23 km away
  13. 1.965 km SSE of False Pass, Alaska · 1765 days ago · 41 km deep · 83 km away
  14. 2.785 km SE of King Cove, Alaska · 1765 days ago · 25 km deep · 7 km away
  15. 3.082 km S of Sand Point, Alaska · 1766 days ago · 10 km deep · 80 km away
  16. 1.727 km WSW of Sand Point, Alaska · 1767 days ago · 19 km deep · 93 km away
  17. 1.957 km S of King Cove, Alaska · 1770 days ago · 47 km deep · 51 km away
  18. 2.645 km ESE of King Cove, Alaska · 1770 days ago · 92 km deep · 46 km away
  19. 2.6Alaska Peninsula · 1771 days ago · 14 km deep · 19 km away
  20. 2.893 km SE of King Cove, Alaska · 1772 days ago · 22 km deep · 15 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000gas9 (also filed as ak021fwitac4). Read Sat, Oct 3, 2026, 5:52 PM UTC.