Alaska earthquakes

M1.6 earthquake 74 km SW of Adak, Alaska

A magnitude 1.6 earthquake struck 74 km SW of Adak, Alaska on Sat, Dec 11, 2021, 6:47 PM HAST (04:47 UTC), 36 km (22 mi) below the surface.

A larger quake followed: M1.8 65 km SSE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.6 (ml), micro
Local time
UTC
2021-12-12 04:47:42 UTC
Depth
36.2 km (22.5 mi), shallow
Epicenter
51.428° N, 177.428° 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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.865 km SSE of Adak, Alaska · 1745 days ago · 26 km deep · 89 km away
  2. 1.9133 km WSW of Adak, Alaska · 1745 days ago · 13 km deep · 62 km away
  3. 1.8146 km WSW of Adak, Alaska · 1745 days ago · 24 km deep · 81 km away
  4. 1.769 km SW of Adak, Alaska · 1743 days ago · 43 km deep · 7 km away
  5. 1.978 km WSW of Adak, Alaska · 1743 days ago · 73 km deep · 31 km away
  6. 1.764 km SSE of Adak, Alaska · 1743 days ago · 23 km deep · 85 km away
  7. 1.855 km SSE of Adak, Alaska · 1743 days ago · 26 km deep · 72 km away
  8. 4.029 km SSW of Adak, Alaska · 1742 days ago · 71 km deep · 47 km away
  9. 2.943 km S of Adak, Alaska · 1741 days ago · 35 km deep · 54 km away
  10. 2.9108 km WSW of Adak, Alaska · 1741 days ago · 48 km deep · 40 km away
  11. 3.2101 km SW of Adak, Alaska · 1739 days ago · 31 km deep · 31 km away
  12. 1.7134 km WSW of Adak, Alaska · 1739 days ago · 28 km deep · 70 km away
  13. 1.656 km SE of Adak, Alaska · 1739 days ago · 25 km deep · 92 km away
  14. 3.4132 km WSW of Adak, Alaska · 1739 days ago · 74 km deep · 72 km away
  15. 1.679 km WSW of Adak, Alaska · 1738 days ago · 56 km deep · 26 km away
  16. 1.953 km S of Adak, Alaska · 1738 days ago · 23 km deep · 62 km away
  17. 1.951 km S of Adak, Alaska · 1737 days ago · 25 km deep · 64 km away
  18. 1.777 km WSW of Adak, Alaska · 1737 days ago · 26 km deep · 17 km away
  19. 2.746 km S of Adak, Alaska · 1737 days ago · 52 km deep · 64 km away
  20. 1.646 km SSE of Adak, Alaska · 1736 days ago · 31 km deep · 76 km away
  21. 2.6105 km W of Adak, Alaska · 1736 days ago · 90 km deep · 60 km away
  22. 1.9128 km WSW of Adak, Alaska · 1736 days ago · 13 km deep · 73 km away
  23. 1.5124 km WSW of Adak, Alaska · 1736 days ago · 24 km deep · 60 km away
  24. 1.8114 km WSW of Adak, Alaska · 1736 days ago · 50 km deep · 49 km away
  25. 2.116 km NNE of Adak, Alaska · 1736 days ago · 110 km deep · 89 km away
  26. 2.0130 km WSW of Adak, Alaska · 1736 days ago · 59 km deep · 66 km away
  27. 1.8102 km SW of Adak, Alaska · 1736 days ago · 25 km deep · 29 km away
  28. 1.5126 km W of Adak, Alaska · 1735 days ago · 10 km deep · 90 km away
  29. 2.020 km SSE of Adak, Alaska · 1735 days ago · 62 km deep · 68 km away
  30. 2.156 km SE of Adak, Alaska · 1734 days ago · 26 km deep · 91 km away
  31. 1.8134 km WSW of Adak, Alaska · 1734 days ago · 24 km deep · 67 km away
  32. 1.550 km SW of Adak, Alaska · 1734 days ago · 16 km deep · 24 km away
  33. 1.9101 km SW of Adak, Alaska · 1733 days ago · 29 km deep · 28 km away
  34. 1.753 km SE of Adak, Alaska · 1732 days ago · 28 km deep · 85 km away
  35. 1.9127 km WSW of Adak, Alaska · 1731 days ago · 25 km deep · 63 km away
  36. 2.074 km WSW of Adak, Alaska · 1731 days ago · 58 km deep · 14 km away
  37. 1.852 km SW of Adak, Alaska · 1731 days ago · 35 km deep · 24 km away
  38. 3.1155 km WSW of Adak, Alaska · 1730 days ago · 34 km deep · 87 km away
  39. 1.9141 km SW of Adak, Alaska · 1730 days ago · 20 km deep · 67 km away
  40. 2.022 km ENE of Adak, Alaska · 1730 days ago · 142 km deep · 97 km away
  41. 3.461 km SSE of Adak, Alaska · 1729 days ago · 35 km deep · 82 km away
  42. 3.257 km SSE of Adak, Alaska · 1729 days ago · 35 km deep · 81 km away
  43. 2.777 km SSW of Adak, Alaska · 1727 days ago · 35 km deep · 37 km away
  44. 2.190 km WSW of Adak, Alaska · 1727 days ago · 39 km deep · 25 km away
  45. 1.859 km SSE of Adak, Alaska · 1727 days ago · 14 km deep · 88 km away
  46. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1727 days ago · 25 km deep · 88 km away
  47. 2.8123 km SW of Adak, Alaska · 1726 days ago · 35 km deep · 49 km away
  48. 2.664 km S of Adak, Alaska · 1726 days ago · 35 km deep · 48 km away
  49. 2.16 km ENE of Adak, Alaska · 1725 days ago · 7 km deep · 80 km away
  50. 3.5134 km SW of Adak, Alaska · 1725 days ago · 33 km deep · 62 km away
  51. 2.058 km SSE of Adak, Alaska · 1725 days ago · 20 km deep · 80 km away
  52. 1.963 km SW of Adak, Alaska · 1725 days ago · 46 km deep · 10 km away
  53. 3.812 km SE of Adak, Alaska · 1724 days ago · 3 km deep · 75 km away
  54. 2.89 km SE of Adak, Alaska · 1724 days ago · 13 km deep · 77 km away
  55. 1.83 km ENE of Adak, Alaska · 1723 days ago · 6 km deep · 77 km away
  56. 3.7121 km WSW of Adak, Alaska · 1723 days ago · 33 km deep · 58 km away
  57. 1.981 km WSW of Adak, Alaska · 1723 days ago · 27 km deep · 22 km away
  58. 3.2Andreanof Islands, Aleutian Islands, Alaska · 1722 days ago · 35 km deep · 26 km away
  59. 1.55 km ENE of Adak, Alaska · 1722 days ago · 5 km deep · 80 km away
  60. 1.961 km SSW of Adak, Alaska · 1722 days ago · 47 km deep · 22 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021fwalz97. Read Thu, Sep 24, 2026, 5:48 AM UTC.