Alaska earthquakes

M1.8 earthquake 77 km SE of Unalaska, Alaska

A magnitude 1.8 earthquake struck 77 km SE of Unalaska, Alaska on Wed, Dec 8, 2021, 4:23 PM AKST (01:23 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M2.4 138 km S of Unalaska, 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
2021-12-09 01:23:25 UTC
Depth
20.0 km (12.4 mi), shallow
Epicenter
53.354° N, 165.758° 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
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 199 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.4138 km S of Unalaska, Alaska · 1733 days ago · 10 km deep · 87 km away
  2. 3.295 km SE of Akutan, Alaska · 1732 days ago · 35 km deep · 69 km away
  3. 2.532 km SSW of Unalaska, Alaska · 1732 days ago · 78 km deep · 74 km away
  4. 1.774 km SE of Unalaska, Alaska · 1730 days ago · 13 km deep · 12 km away
  5. 2.897 km SE of Akutan, Alaska · 1730 days ago · 35 km deep · 73 km away
  6. 1.9113 km S of Unalaska, Alaska · 1729 days ago · 3 km deep · 90 km away
  7. 2.161 km SE of Akutan, Alaska · 1727 days ago · 50 km deep · 64 km away
  8. 2.285 km SSW of Unalaska, Alaska · 1726 days ago · 17 km deep · 82 km away
  9. 1.755 km SW of Unalaska, Alaska · 1725 days ago · 13 km deep · 95 km away
  10. 2.966 km SSW of Unalaska, Alaska · 1725 days ago · 4 km deep · 84 km away
  11. 1.875 km S of Unalaska, Alaska · 1725 days ago · 26 km deep · 46 km away
  12. 1.642 km SW of Unalaska, Alaska · 1725 days ago · 15 km deep · 90 km away
  13. 1.9Fox Islands, Aleutian Islands, Alaska · 1725 days ago · 51 km deep · 47 km away
  14. 1.656 km SW of Unalaska, Alaska · 1724 days ago · 17 km deep · 98 km away
  15. 4.261 km SE of Unalaska, Alaska · 1724 days ago · 44 km deep · 16 km away · felt by 5
  16. 3.729 km E of Unalaska, Alaska · 1724 days ago · 37 km deep · 63 km away
  17. 1.964 km S of Akutan, Alaska · 1724 days ago · 41 km deep · 25 km away
  18. 3.583 km S of Unalaska, Alaska · 1723 days ago · 29 km deep · 69 km away
  19. 1.938 km S of Unalaska, Alaska · 1723 days ago · 71 km deep · 52 km away
  20. 2.672 km SSE of Akutan, Alaska · 1722 days ago · 35 km deep · 42 km away
  21. 2.169 km SSW of Unalaska, Alaska · 1722 days ago · 21 km deep · 71 km away
  22. 3.287 km S of Unalaska, Alaska · 1722 days ago · 35 km deep · 72 km away
  23. 3.5Fox Islands, Aleutian Islands, Alaska · 1722 days ago · 35 km deep · 73 km away
  24. 3.658 km ESE of Unalaska, Alaska · 1721 days ago · 49 km deep · 26 km away
  25. 2.075 km SSW of Unalaska, Alaska · 1721 days ago · 38 km deep · 70 km away
  26. 1.927 km SSW of Unalaska, Alaska · 1721 days ago · 84 km deep · 69 km away
  27. 1.931 km WSW of Unalaska, Alaska · 1721 days ago · 83 km deep · 92 km away
  28. 2.864 km SE of Akutan, Alaska · 1720 days ago · 35 km deep · 71 km away
  29. 1.732 km S of Akutan, Alaska · 1719 days ago · 74 km deep · 56 km away
  30. 3.072 km S of Unalaska, Alaska · 1719 days ago · 35 km deep · 52 km away
  31. 2.188 km S of Unalaska, Alaska · 1717 days ago · 26 km deep · 70 km away
  32. 1.846 km WSW of Unalaska, Alaska · 1717 days ago · 11 km deep · 97 km away
  33. 3.041 km WSW of Unalaska, Alaska · 1717 days ago · 83 km deep · 95 km away
  34. 3.057 km SW of Unalaska, Alaska · 1716 days ago · 35 km deep · 87 km away
  35. 4.058 km SSE of Unalaska, Alaska · 1716 days ago · 43 km deep · 24 km away
  36. 2.678 km S of Unalaska, Alaska · 1716 days ago · 33 km deep · 67 km away
  37. 1.739 km SSW of Unalaska, Alaska · 1715 days ago · 74 km deep · 65 km away
  38. 2.119 km SE of Unalaska, Alaska · 1715 days ago · 77 km deep · 58 km away
  39. 1.837 km SE of Akutan, Alaska · 1715 days ago · 63 km deep · 71 km away
  40. 2.0102 km SE of Akutan, Alaska · 1715 days ago · 25 km deep · 57 km away
  41. 1.615 km WSW of Dutch Harbor, Alaska · 1714 days ago · 6 km deep · 88 km away
  42. 3.218 km W of Dutch Harbor, Alaska · 1714 days ago · 9 km deep · 90 km away
  43. 1.720 km W of Dutch Harbor, Alaska · 1714 days ago · 12 km deep · 91 km away
  44. 2.619 km W of Dutch Harbor, Alaska · 1714 days ago · 10 km deep · 91 km away
  45. 1.978 km ESE of Akutan, Alaska · 1714 days ago · 56 km deep · 79 km away
  46. 2.928 km SSE of Unalaska, Alaska · 1714 days ago · 72 km deep · 52 km away
  47. 2.926 km E of Unalaska, Alaska · 1713 days ago · 80 km deep · 61 km away
  48. 3.880 km SSW of Unalaska, Alaska · 1712 days ago · 39 km deep · 73 km away
  49. 1.777 km S of Akutan, Alaska · 1712 days ago · 21 km deep · 17 km away
  50. 1.549 km SSE of Unalaska, Alaska · 1712 days ago · 42 km deep · 33 km away
  51. 2.0Fox Islands, Aleutian Islands, Alaska · 1711 days ago · 6 km deep · 39 km away
  52. 3.0125 km S of Unalaska, Alaska · 1711 days ago · 15 km deep · 98 km away
  53. 1.771 km SSE of Akutan, Alaska · 1709 days ago · 36 km deep · 23 km away
  54. 2.162 km SSW of Unalaska, Alaska · 1705 days ago · 90 km deep · 80 km away
  55. 1.9Fox Islands, Aleutian Islands, Alaska · 1705 days ago · 27 km deep · 30 km away
  56. 6.271 km S of Unalaska, Alaska · 1705 days ago · 29 km deep · 63 km away · felt by 23 · tsunami flag
  57. 4.675 km SSW of Unalaska, Alaska · 1705 days ago · 35 km deep · 72 km away
  58. 3.480 km S of Unalaska, Alaska · 1705 days ago · 35 km deep · 68 km away · felt by 1
  59. 2.974 km S of Unalaska, Alaska · 1705 days ago · 35 km deep · 65 km away
  60. 3.0Fox Islands, Aleutian Islands, Alaska · 1705 days ago · 35 km deep · 69 km away

The first 60 of 199.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021fra2gem. Read Wed, Sep 23, 2026, 4:15 AM UTC.