Alaska earthquakes

M2.6 earthquake Alaska Peninsula

A magnitude 2.6 earthquake struck in the Alaska Peninsula on Mon, Dec 27, 2021, 7:24 AM AKST (16:24 UTC), 188 km (117 mi) below the surface.

A larger quake followed: M3.8 49 km WNW of Karluk, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.6 (ml), micro
Local time
UTC
2021-12-27 16:24:13 UTC
Depth
188.4 km (117.0 mi), intermediate-depth
Epicenter
58.267° N, 156.236° 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.

Location uncertainty
About 13.2 km horizontally, 6.8 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
251°, poorly surrounded by stations
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 57 in the 60 days after this one and 33 in the 30 days before it.

After

  1. 1.767 km ENE of Ugashik, Alaska · 1731 days ago · 123 km deep · 52 km away
  2. 1.873 km S of Kokhanok, Alaska · 1730 days ago · 121 km deep · 94 km away
  3. 2.660 km SE of King Salmon, Alaska · 1728 days ago · 152 km deep · 11 km away
  4. 2.694 km ESE of King Salmon, Alaska · 1726 days ago · 139 km deep · 73 km away
  5. 2.181 km ENE of Ugashik, Alaska · 1724 days ago · 103 km deep · 67 km away
  6. 1.870 km WNW of Karluk, Alaska · 1724 days ago · 80 km deep · 68 km away
  7. 3.849 km WNW of Karluk, Alaska · 1722 days ago · 13 km deep · 83 km away
  8. 2.053 km ESE of King Salmon, Alaska · 1721 days ago · 145 km deep · 37 km away
  9. 1.533 km NNE of Pilot Point, Alaska · 1721 days ago · 5 km deep · 81 km away
  10. 2.247 km NNW of Karluk, Alaska · 1721 days ago · 76 km deep · 89 km away
  11. 2.677 km ESE of Egegik, Alaska · 1720 days ago · 130 km deep · 43 km away
  12. 3.184 km NNW of Karluk, Alaska · 1719 days ago · 8 km deep · 86 km away
  13. 1.769 km NNW of Karluk, Alaska · 1718 days ago · 95 km deep · 84 km away
  14. 2.465 km NNW of Karluk, Alaska · 1718 days ago · 80 km deep · 85 km away
  15. 1.690 km NNW of Karluk, Alaska · 1717 days ago · 4 km deep · 62 km away
  16. 1.7Alaska Peninsula · 1716 days ago · 149 km deep · 39 km away
  17. 2.150 km WNW of Karluk, Alaska · 1715 days ago · 67 km deep · 87 km away
  18. 1.679 km E of Ugashik, Alaska · 1714 days ago · 86 km deep · 96 km away
  19. 1.791 km ESE of Egegik, Alaska · 1714 days ago · 109 km deep · 45 km away
  20. 1.653 km NW of Karluk, Alaska · 1712 days ago · 79 km deep · 77 km away
  21. 1.974 km ENE of Ugashik, Alaska · 1711 days ago · 129 km deep · 53 km away
  22. 1.874 km ESE of Egegik, Alaska · 1709 days ago · 130 km deep · 44 km away
  23. 2.183 km ESE of Egegik, Alaska · 1709 days ago · 125 km deep · 45 km away
  24. 2.644 km WNW of Karluk, Alaska · 1707 days ago · 67 km deep · 87 km away
  25. 2.2102 km S of Kokhanok, Alaska · 1704 days ago · 112 km deep · 85 km away
  26. 1.958 km SE of King Salmon, Alaska · 1703 days ago · 8 km deep · 17 km away
  27. 2.357 km ESE of King Salmon, Alaska · 1699 days ago · 138 km deep · 33 km away
  28. 3.377 km ENE of Ugashik, Alaska · 1698 days ago · 124 km deep · 47 km away
  29. 2.281 km W of Karluk, Alaska · 1698 days ago · 78 km deep · 78 km away
  30. 2.253 km E of Egegik, Alaska · 1697 days ago · 5 km deep · 18 km away
  31. 2.182 km NNW of Karluk, Alaska · 1697 days ago · 19 km deep · 72 km away
  32. 1.748 km NNW of Karluk, Alaska · 1696 days ago · 80 km deep · 89 km away
  33. 2.197 km N of Karluk, Alaska · 1695 days ago · 2 km deep · 99 km away
  34. 2.891 km ESE of King Salmon, Alaska · 1695 days ago · 100 km deep · 58 km away
  35. 3.061 km N of Karluk, Alaska · 1691 days ago · 83 km deep · 96 km away
  36. 2.331 km WNW of Karluk, Alaska · 1690 days ago · 20 km deep · 100 km away
  37. 2.168 km S of Kokhanok, Alaska · 1689 days ago · 133 km deep · 98 km away
  38. 2.244 km NNW of Karluk, Alaska · 1689 days ago · 60 km deep · 95 km away
  39. 2.1Alaska Peninsula · 1688 days ago · 8 km deep · 52 km away
  40. 2.827 km NNE of Pilot Point, Alaska · 1688 days ago · 1 km deep · 88 km away
  41. 1.626 km SSE of Portage Creek, Alaska · 1687 days ago · 12 km deep · 89 km away
  42. 2.1Alaska Peninsula · 1687 days ago · 7 km deep · 87 km away
  43. 3.453 km SE of King Salmon, Alaska · 1686 days ago · 148 km deep · 26 km away
  44. 2.466 km W of Karluk, Alaska · 1686 days ago · 82 km deep · 81 km away
  45. 2.061 km W of Karluk, Alaska · 1686 days ago · 109 km deep · 82 km away
  46. 2.551 km WNW of Karluk, Alaska · 1686 days ago · 69 km deep · 80 km away
  47. 2.867 km ESE of King Salmon, Alaska · 1683 days ago · 140 km deep · 50 km away
  48. 2.455 km ENE of Ugashik, Alaska · 1683 days ago · 16 km deep · 74 km away
  49. 1.660 km W of Karluk, Alaska · 1683 days ago · 15 km deep · 87 km away
  50. 1.690 km ESE of King Salmon, Alaska · 1682 days ago · 97 km deep · 55 km away
  51. 1.646 km NNW of Karluk, Alaska · 1680 days ago · 56 km deep · 89 km away
  52. 2.119 km WNW of Naknek, Alaska · 1680 days ago · 8 km deep · 86 km away
  53. 2.345 km ESE of Ugashik, Alaska · 1678 days ago · 111 km deep · 100 km away
  54. 2.453 km ESE of King Salmon, Alaska · 1678 days ago · 142 km deep · 31 km away
  55. 1.736 km WNW of Karluk, Alaska · 1676 days ago · 18 km deep · 96 km away
  56. 1.971 km WNW of Karluk, Alaska · 1676 days ago · 51 km deep · 70 km away
  57. 2.261 km ENE of Ugashik, Alaska · 1676 days ago · 130 km deep · 54 km away

Before

  1. 1.781 km E of King Salmon, Alaska · 1733 days ago · 137 km deep · 72 km away
  2. 1.728 km NE of Pilot Point, Alaska · 1734 days ago · 7 km deep · 83 km away
  3. 1.829 km NE of Pilot Point, Alaska · 1735 days ago · 2 km deep · 83 km away
  4. 3.131 km NNE of Pilot Point, Alaska · 1735 days ago · 7 km deep · 84 km away
  5. 1.661 km WNW of Karluk, Alaska · 1735 days ago · 10 km deep · 72 km away
  6. 1.978 km ESE of Egegik, Alaska · 1736 days ago · 124 km deep · 40 km away
  7. 3.165 km ESE of Egegik, Alaska · 1737 days ago · 136 km deep · 29 km away
  8. 2.382 km S of Kokhanok, Alaska · 1737 days ago · 126 km deep · 93 km away
  9. 1.686 km W of Karluk, Alaska · 1737 days ago · 78 km deep · 87 km away
  10. 2.538 km E of Ugashik, Alaska · 1738 days ago · 129 km deep · 82 km away
  11. 2.057 km ESE of Egegik, Alaska · 1738 days ago · 10 km deep · 34 km away
  12. 2.241 km WNW of Karluk, Alaska · 1738 days ago · 74 km deep · 90 km away
  13. 1.882 km SSE of Igiugig, Alaska · 1740 days ago · 135 km deep · 79 km away
  14. 1.690 km ESE of Egegik, Alaska · 1740 days ago · 102 km deep · 46 km away
  15. 1.839 km NW of Karluk, Alaska · 1740 days ago · 72 km deep · 91 km away
  16. 1.575 km ENE of Ugashik, Alaska · 1740 days ago · 117 km deep · 51 km away
  17. 1.933 km WNW of Karluk, Alaska · 1743 days ago · 61 km deep · 98 km away
  18. 1.969 km NW of Karluk, Alaska · 1743 days ago · 91 km deep · 67 km away
  19. 1.772 km ESE of Egegik, Alaska · 1744 days ago · 127 km deep · 44 km away
  20. 2.758 km NNW of Karluk, Alaska · 1745 days ago · 89 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000gfmy. Read Wed, Sep 23, 2026, 8:31 AM UTC.