Alaska earthquakes

M1.8 earthquake 101 km W of Akhiok, Alaska

A magnitude 1.8 earthquake struck 101 km W of Akhiok, Alaska on Sat, Dec 18, 2021, 3:21 AM AKST (12:21 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M1.9 Alaska Peninsula. 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
1.8 (ml), micro
Local time
UTC
2021-12-18 12:21:54 UTC
Depth
14.0 km (8.7 mi), shallow
Epicenter
56.909° N, 155.842° 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
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 83 in the 60 days after this one and 62 in the 30 days before it.

After

  1. 1.9Alaska Peninsula · 1739 days ago · 9 km deep · 9 km away
  2. 1.660 km W of Akhiok, Alaska · 1739 days ago · 15 km deep · 42 km away
  3. 1.8112 km E of Chignik, Alaska · 1738 days ago · 46 km deep · 82 km away
  4. 2.538 km E of Ugashik, Alaska · 1738 days ago · 129 km deep · 93 km away
  5. 1.686 km W of Karluk, Alaska · 1737 days ago · 78 km deep · 66 km away
  6. 1.735 km NW of Akhiok, Alaska · 1736 days ago · 0 km deep · 76 km away
  7. 2.4122 km E of Chignik, Alaska · 1736 days ago · 46 km deep · 87 km away
  8. 1.963 km WSW of Karluk, Alaska · 1734 days ago · 63 km deep · 53 km away
  9. 2.064 km WSW of Karluk, Alaska · 1734 days ago · 60 km deep · 50 km away
  10. 1.892 km WSW of Akhiok, Alaska · 1733 days ago · 63 km deep · 31 km away
  11. 2.498 km SE of Ugashik, Alaska · 1733 days ago · 60 km deep · 17 km away
  12. 1.99 km NNW of Akhiok, Alaska · 1733 days ago · 26 km deep · 99 km away
  13. 1.660 km SW of Karluk, Alaska · 1733 days ago · 58 km deep · 51 km away
  14. 1.972 km SW of Akhiok, Alaska · 1733 days ago · 6 km deep · 62 km away
  15. 2.1109 km E of Chignik, Alaska · 1732 days ago · 46 km deep · 84 km away
  16. 2.086 km SSE of Ugashik, Alaska · 1732 days ago · 83 km deep · 75 km away
  17. 2.382 km S of Ugashik, Alaska · 1732 days ago · 97 km deep · 83 km away
  18. 2.5128 km E of Chignik, Alaska · 1732 days ago · 7 km deep · 91 km away
  19. 1.935 km W of Akhiok, Alaska · 1731 days ago · 9 km deep · 66 km away
  20. 1.9113 km E of Chignik, Alaska · 1731 days ago · 46 km deep · 77 km away
  21. 3.5103 km E of Chignik, Alaska · 1730 days ago · 2 km deep · 76 km away
  22. 2.060 km WSW of Akhiok, Alaska · 1730 days ago · 63 km deep · 52 km away
  23. 1.6100 km W of Akhiok, Alaska · 1729 days ago · 3 km deep · 2 km away
  24. 1.638 km W of Akhiok, Alaska · 1729 days ago · 8 km deep · 64 km away
  25. 1.575 km WSW of Karluk, Alaska · 1728 days ago · 65 km deep · 53 km away
  26. 5.047 km SW of Karluk, Alaska · 1727 days ago · 59 km deep · 64 km away · felt by 6 · tsunami flag
  27. 1.515 km W of Karluk, Alaska · 1727 days ago · 53 km deep · 99 km away
  28. 1.889 km WSW of Karluk, Alaska · 1727 days ago · 68 km deep · 40 km away
  29. 2.054 km WNW of Akhiok, Alaska · 1726 days ago · 46 km deep · 56 km away
  30. 1.958 km WSW of Akhiok, Alaska · 1726 days ago · 11 km deep · 59 km away
  31. 1.666 km W of Akhiok, Alaska · 1726 days ago · 13 km deep · 37 km away
  32. 2.095 km SE of Ugashik, Alaska · 1726 days ago · 79 km deep · 31 km away
  33. 1.957 km WNW of Akhiok, Alaska · 1725 days ago · 51 km deep · 54 km away
  34. 2.279 km WSW of Karluk, Alaska · 1724 days ago · 82 km deep · 39 km away
  35. 2.181 km ENE of Ugashik, Alaska · 1724 days ago · 103 km deep · 86 km away
  36. 1.870 km WNW of Karluk, Alaska · 1723 days ago · 80 km deep · 96 km away
  37. 2.031 km W of Akhiok, Alaska · 1723 days ago · 11 km deep · 70 km away
  38. 2.17 km WNW of Akhiok, Alaska · 1723 days ago · 9 km deep · 95 km away
  39. 2.8122 km WSW of Akhiok, Alaska · 1722 days ago · 70 km deep · 35 km away
  40. 2.259 km SSE of Ugashik, Alaska · 1722 days ago · 2 km deep · 67 km away
  41. 3.455 km SSW of Akhiok, Alaska · 1721 days ago · 36 km deep · 87 km away
  42. 2.528 km SSW of Akhiok, Alaska · 1721 days ago · 7 km deep · 97 km away
  43. 2.6116 km E of Chignik, Alaska · 1719 days ago · 74 km deep · 75 km away
  44. 1.6108 km SE of Ugashik, Alaska · 1719 days ago · 7 km deep · 23 km away
  45. 1.532 km SW of Karluk, Alaska · 1718 days ago · 53 km deep · 79 km away
  46. 1.6102 km ESE of Ugashik, Alaska · 1718 days ago · 19 km deep · 15 km away
  47. 1.873 km ESE of Ugashik, Alaska · 1718 days ago · 2 km deep · 49 km away
  48. 2.680 km SSE of Ugashik, Alaska · 1717 days ago · 78 km deep · 55 km away
  49. 2.150 km WNW of Karluk, Alaska · 1714 days ago · 67 km deep · 91 km away
  50. 1.679 km E of Ugashik, Alaska · 1714 days ago · 86 km deep · 58 km away
  51. 1.638 km W of Akhiok, Alaska · 1714 days ago · 40 km deep · 63 km away
  52. 2.322 km WNW of Akhiok, Alaska · 1714 days ago · 11 km deep · 81 km away
  53. 2.2124 km SE of Ugashik, Alaska · 1712 days ago · 60 km deep · 42 km away
  54. 2.199 km E of Chignik, Alaska · 1712 days ago · 12 km deep · 97 km away
  55. 2.3126 km SW of Akhiok, Alaska · 1712 days ago · 63 km deep · 73 km away
  56. 1.840 km SW of Karluk, Alaska · 1712 days ago · 45 km deep · 72 km away
  57. 3.5102 km WSW of Akhiok, Alaska · 1710 days ago · 44 km deep · 19 km away
  58. 2.069 km WSW of Karluk, Alaska · 1710 days ago · 60 km deep · 48 km away
  59. 1.7116 km E of Chignik, Alaska · 1709 days ago · 33 km deep · 90 km away
  60. 2.4116 km E of Chignik, Alaska · 1709 days ago · 58 km deep · 76 km away

The first 60 of 83.

Before

  1. 1.7101 km W of Akhiok, Alaska · 1740 days ago · 80 km deep · 7 km away
  2. 2.299 km W of Akhiok, Alaska · 1740 days ago · 9 km deep · 3 km away
  3. 1.9Kodiak Island region, Alaska · 1740 days ago · 38 km deep · 66 km away
  4. 2.2103 km E of Chignik, Alaska · 1741 days ago · 68 km deep · 82 km away
  5. 1.636 km NNW of Akhiok, Alaska · 1741 days ago · 8 km deep · 93 km away
  6. 1.675 km ESE of Ugashik, Alaska · 1742 days ago · 10 km deep · 42 km away
  7. 1.881 km SW of Karluk, Alaska · 1742 days ago · 61 km deep · 32 km away
  8. 1.9109 km E of Chignik, Alaska · 1743 days ago · 65 km deep · 71 km away
  9. 1.935 km W of Karluk, Alaska · 1743 days ago · 59 km deep · 87 km away
  10. 1.673 km SE of Ugashik, Alaska · 1743 days ago · 10 km deep · 51 km away
  11. 2.347 km SSE of Ugashik, Alaska · 1745 days ago · 95 km deep · 86 km away
  12. 2.580 km E of Chignik, Alaska · 1746 days ago · 89 km deep · 96 km away
  13. 2.461 km WSW of Akhiok, Alaska · 1746 days ago · 3 km deep · 53 km away
  14. 2.6120 km E of Chignik, Alaska · 1748 days ago · 47 km deep · 73 km away
  15. 2.2Alaska Peninsula · 1749 days ago · 65 km deep · 80 km away
  16. 2.276 km ENE of Chignik, Alaska · 1749 days ago · 31 km deep · 95 km away
  17. 2.060 km WNW of Karluk, Alaska · 1749 days ago · 77 km deep · 94 km away
  18. 1.681 km WSW of Karluk, Alaska · 1749 days ago · 73 km deep · 53 km away
  19. 2.074 km WSW of Karluk, Alaska · 1751 days ago · 63 km deep · 45 km away
  20. 2.43 km W of Akhiok, Alaska · 1751 days ago · 1 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021g6cfze3. Read Tue, Sep 22, 2026, 10:27 PM UTC.