Alaska earthquakes

M1.8 earthquake 112 km E of Chignik, Alaska

A magnitude 1.8 earthquake struck 112 km E of Chignik, Alaska on Sun, Dec 19, 2021, 9:28 PM AKST (06:28 UTC), 46 km (29 mi) below the surface.

A larger quake followed: M3.6 139 km E of Chignik, 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
1.8 (ml), micro
Local time
UTC
2021-12-20 06:28:08 UTC
Depth
45.9 km (28.5 mi), shallow
Epicenter
56.296° N, 156.584° 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
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 50 in the 60 days after this one and 36 in the 30 days before it.

After

  1. 2.4122 km E of Chignik, Alaska · 1743 days ago · 46 km deep · 15 km away
  2. 1.892 km WSW of Akhiok, Alaska · 1740 days ago · 63 km deep · 73 km away
  3. 2.498 km SE of Ugashik, Alaska · 1740 days ago · 60 km deep · 84 km away
  4. 1.972 km SW of Akhiok, Alaska · 1740 days ago · 6 km deep · 96 km away
  5. 1.961 km ENE of Chignik, Alaska · 1740 days ago · 71 km deep · 56 km away
  6. 2.7129 km SE of Chignik, Alaska · 1739 days ago · 10 km deep · 96 km away
  7. 2.1109 km E of Chignik, Alaska · 1739 days ago · 46 km deep · 3 km away
  8. 2.086 km SSE of Ugashik, Alaska · 1739 days ago · 83 km deep · 59 km away
  9. 2.382 km S of Ugashik, Alaska · 1739 days ago · 97 km deep · 65 km away
  10. 2.5128 km E of Chignik, Alaska · 1739 days ago · 7 km deep · 23 km away
  11. 1.9113 km E of Chignik, Alaska · 1739 days ago · 46 km deep · 6 km away
  12. 3.5103 km E of Chignik, Alaska · 1737 days ago · 2 km deep · 19 km away
  13. 2.472 km ESE of Chignik, Alaska · 1737 days ago · 9 km deep · 63 km away
  14. 2.260 km ESE of Chignik, Alaska · 1737 days ago · 4 km deep · 67 km away
  15. 1.6100 km W of Akhiok, Alaska · 1737 days ago · 3 km deep · 84 km away
  16. 2.1149 km ESE of Chignik, Alaska · 1735 days ago · 27 km deep · 70 km away
  17. 2.095 km SE of Ugashik, Alaska · 1733 days ago · 79 km deep · 66 km away
  18. 2.8122 km WSW of Akhiok, Alaska · 1729 days ago · 70 km deep · 47 km away
  19. 2.259 km SSE of Ugashik, Alaska · 1729 days ago · 2 km deep · 86 km away
  20. 2.6116 km E of Chignik, Alaska · 1727 days ago · 74 km deep · 7 km away
  21. 3.2123 km ESE of Chignik, Alaska · 1726 days ago · 22 km deep · 49 km away
  22. 1.6108 km SE of Ugashik, Alaska · 1726 days ago · 7 km deep · 62 km away
  23. 1.6102 km ESE of Ugashik, Alaska · 1725 days ago · 19 km deep · 92 km away
  24. 2.680 km SSE of Ugashik, Alaska · 1724 days ago · 78 km deep · 66 km away
  25. 2.4south of Alaska · 1724 days ago · 20 km deep · 87 km away
  26. 3.0132 km SE of Chignik, Alaska · 1721 days ago · 11 km deep · 96 km away
  27. 2.2124 km SE of Ugashik, Alaska · 1720 days ago · 60 km deep · 39 km away
  28. 2.199 km E of Chignik, Alaska · 1720 days ago · 12 km deep · 17 km away
  29. 2.3126 km SW of Akhiok, Alaska · 1719 days ago · 63 km deep · 48 km away
  30. 3.5102 km WSW of Akhiok, Alaska · 1718 days ago · 44 km deep · 69 km away
  31. 2.3147 km SW of Akhiok, Alaska · 1717 days ago · 2 km deep · 70 km away
  32. 1.7116 km E of Chignik, Alaska · 1716 days ago · 33 km deep · 12 km away
  33. 2.4116 km E of Chignik, Alaska · 1716 days ago · 58 km deep · 5 km away
  34. 1.573 km SE of Ugashik, Alaska · 1715 days ago · 34 km deep · 84 km away
  35. 3.6139 km E of Chignik, Alaska · 1714 days ago · 47 km deep · 32 km away
  36. 2.7124 km WSW of Akhiok, Alaska · 1712 days ago · 42 km deep · 41 km away
  37. 3.1127 km SE of Chignik, Alaska · 1711 days ago · 6 km deep · 93 km away
  38. 3.2117 km E of Chignik, Alaska · 1705 days ago · 45 km deep · 7 km away
  39. 2.557 km E of Chignik, Alaska · 1705 days ago · 61 km deep · 56 km away
  40. 2.5125 km E of Chignik, Alaska · 1705 days ago · 44 km deep · 20 km away
  41. 2.574 km E of Chignik, Alaska · 1704 days ago · 62 km deep · 39 km away
  42. 2.8155 km ESE of Chignik, Alaska · 1703 days ago · 33 km deep · 54 km away
  43. 2.6127 km SE of Chignik, Alaska · 1702 days ago · 0 km deep · 86 km away
  44. 2.282 km ENE of Chignik, Alaska · 1701 days ago · 47 km deep · 39 km away
  45. 2.8Alaska Peninsula · 1698 days ago · 46 km deep · 46 km away
  46. 2.0119 km E of Chignik, Alaska · 1690 days ago · 22 km deep · 10 km away
  47. 2.7Alaska Peninsula · 1689 days ago · 45 km deep · 4 km away
  48. 1.995 km ENE of Chignik, Alaska · 1688 days ago · 51 km deep · 50 km away
  49. 3.230 km ESE of Chignik, Alaska · 1687 days ago · 64 km deep · 83 km away
  50. 2.083 km WSW of Akhiok, Alaska · 1686 days ago · 25 km deep · 81 km away

Before

  1. 1.9Alaska Peninsula · 1746 days ago · 9 km deep · 80 km away
  2. 1.8101 km W of Akhiok, Alaska · 1747 days ago · 14 km deep · 82 km away
  3. 1.7101 km W of Akhiok, Alaska · 1747 days ago · 80 km deep · 88 km away
  4. 2.299 km W of Akhiok, Alaska · 1747 days ago · 9 km deep · 83 km away
  5. 2.154 km ESE of Port Heiden, Alaska · 1749 days ago · 87 km deep · 90 km away
  6. 2.2103 km E of Chignik, Alaska · 1749 days ago · 68 km deep · 12 km away
  7. 1.9109 km E of Chignik, Alaska · 1750 days ago · 65 km deep · 17 km away
  8. 2.125 km SE of Chignik, Alaska · 1751 days ago · 62 km deep · 93 km away
  9. 1.673 km SE of Ugashik, Alaska · 1751 days ago · 10 km deep · 76 km away
  10. 2.347 km SSE of Ugashik, Alaska · 1753 days ago · 95 km deep · 97 km away
  11. 2.580 km E of Chignik, Alaska · 1754 days ago · 89 km deep · 35 km away
  12. 2.6120 km E of Chignik, Alaska · 1755 days ago · 47 km deep · 10 km away
  13. 2.2Alaska Peninsula · 1756 days ago · 65 km deep · 2 km away
  14. 2.276 km ENE of Chignik, Alaska · 1756 days ago · 31 km deep · 47 km away
  15. 4.1south of Alaska · 1758 days ago · 28 km deep · 78 km away
  16. 2.3113 km E of Chignik, Alaska · 1758 days ago · 65 km deep · 1 km away
  17. 2.2112 km E of Chignik, Alaska · 1760 days ago · 55 km deep · 3 km away
  18. 1.9116 km E of Chignik, Alaska · 1760 days ago · 65 km deep · 4 km away
  19. 1.7136 km E of Chignik, Alaska · 1761 days ago · 15 km deep · 26 km away
  20. 1.8118 km E of Chignik, Alaska · 1761 days ago · 67 km deep · 13 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021g9jzh6l. Read Wed, Sep 30, 2026, 4:20 AM UTC.