Alaska earthquakes

M2.1 earthquake 56 km SE of Adak, Alaska

A magnitude 2.1 earthquake struck 56 km SE of Adak, Alaska on Fri, Dec 24, 2021, 10:59 AM HAST (20:59 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M4.0 73 km ESE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.1 (ml), micro
Local time
UTC
2021-12-24 20:59:51 UTC
Depth
25.6 km (15.9 mi), shallow
Epicenter
51.477° N, 176.116° 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
20

Nearby

Within 100 km, magnitude 1.5 and up: 173 in the 60 days after this one and 73 in the 30 days before it.

After

  1. 1.550 km SW of Adak, Alaska · 1734 days ago · 16 km deep · 76 km away
  2. 2.182 km E of Adak, Alaska · 1734 days ago · 67 km deep · 62 km away
  3. 2.780 km SE of Adak, Alaska · 1733 days ago · 35 km deep · 24 km away
  4. 1.753 km SE of Adak, Alaska · 1733 days ago · 28 km deep · 6 km away
  5. 2.074 km WSW of Adak, Alaska · 1732 days ago · 58 km deep · 100 km away
  6. 1.852 km SW of Adak, Alaska · 1731 days ago · 35 km deep · 69 km away
  7. 2.022 km ENE of Adak, Alaska · 1730 days ago · 142 km deep · 59 km away
  8. 3.461 km SSE of Adak, Alaska · 1729 days ago · 35 km deep · 15 km away
  9. 3.257 km SSE of Adak, Alaska · 1729 days ago · 35 km deep · 12 km away
  10. 2.777 km SSW of Adak, Alaska · 1728 days ago · 35 km deep · 69 km away
  11. 1.859 km SSE of Adak, Alaska · 1727 days ago · 14 km deep · 6 km away
  12. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1727 days ago · 25 km deep · 6 km away
  13. 2.8125 km SSW of Atka, Alaska · 1727 days ago · 6 km deep · 78 km away
  14. 2.1122 km SSW of Atka, Alaska · 1727 days ago · 13 km deep · 78 km away
  15. 2.664 km S of Adak, Alaska · 1726 days ago · 35 km deep · 49 km away
  16. 2.16 km ENE of Adak, Alaska · 1725 days ago · 7 km deep · 57 km away
  17. 2.058 km SSE of Adak, Alaska · 1725 days ago · 20 km deep · 14 km away
  18. 1.963 km SW of Adak, Alaska · 1725 days ago · 46 km deep · 85 km away
  19. 2.799 km SW of Atka, Alaska · 1724 days ago · 35 km deep · 66 km away
  20. 3.812 km SE of Adak, Alaska · 1724 days ago · 3 km deep · 45 km away
  21. 2.89 km SE of Adak, Alaska · 1724 days ago · 13 km deep · 48 km away
  22. 1.83 km ENE of Adak, Alaska · 1724 days ago · 6 km deep · 56 km away
  23. 3.2Andreanof Islands, Aleutian Islands, Alaska · 1723 days ago · 35 km deep · 65 km away
  24. 1.55 km ENE of Adak, Alaska · 1723 days ago · 5 km deep · 56 km away
  25. 1.961 km SSW of Adak, Alaska · 1722 days ago · 47 km deep · 69 km away
  26. 2.636 km SE of Adak, Alaska · 1722 days ago · 66 km deep · 23 km away
  27. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1722 days ago · 7 km deep · 57 km away
  28. 2.769 km SSW of Adak, Alaska · 1720 days ago · 35 km deep · 65 km away
  29. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1720 days ago · 31 km deep · 17 km away
  30. 3.175 km SW of Atka, Alaska · 1720 days ago · 35 km deep · 86 km away
  31. 3.86 km ESE of Adak, Alaska · 1720 days ago · 10 km deep · 52 km away
  32. 2.65 km E of Adak, Alaska · 1720 days ago · 7 km deep · 54 km away
  33. 2.57 km ESE of Adak, Alaska · 1720 days ago · 9 km deep · 51 km away
  34. 2.76 km ENE of Adak, Alaska · 1720 days ago · 10 km deep · 56 km away
  35. 1.96 km ENE of Adak, Alaska · 1720 days ago · 6 km deep · 56 km away
  36. 1.65 km ENE of Adak, Alaska · 1720 days ago · 7 km deep · 56 km away
  37. 1.63 km E of Adak, Alaska · 1720 days ago · 4 km deep · 55 km away
  38. 1.96 km ENE of Adak, Alaska · 1720 days ago · 3 km deep · 56 km away
  39. 3.278 km NE of Adak, Alaska · 1720 days ago · 183 km deep · 93 km away
  40. 1.963 km SW of Atka, Alaska · 1719 days ago · 26 km deep · 96 km away
  41. 1.96 km ENE of Adak, Alaska · 1719 days ago · 6 km deep · 56 km away
  42. 3.049 km SSE of Adak, Alaska · 1719 days ago · 35 km deep · 14 km away
  43. 2.66 km NE of Adak, Alaska · 1719 days ago · 3 km deep · 57 km away
  44. 1.84 km ENE of Adak, Alaska · 1719 days ago · 11 km deep · 56 km away
  45. 1.61 km E of Adak, Alaska · 1718 days ago · 5 km deep · 56 km away
  46. 1.946 km S of Adak, Alaska · 1717 days ago · 26 km deep · 39 km away
  47. 2.824 km SE of Adak, Alaska · 1716 days ago · 69 km deep · 33 km away
  48. 2.752 km SE of Adak, Alaska · 1716 days ago · 36 km deep · 9 km away
  49. 1.98 km NE of Adak, Alaska · 1716 days ago · 7 km deep · 59 km away
  50. 3.024 km SSE of Adak, Alaska · 1715 days ago · 73 km deep · 34 km away
  51. 2.621 km S of Adak, Alaska · 1715 days ago · 35 km deep · 43 km away
  52. 1.582 km SW of Adak, Alaska · 1714 days ago · 30 km deep · 99 km away
  53. 2.267 km SE of Adak, Alaska · 1714 days ago · 32 km deep · 15 km away
  54. 1.56 km NE of Adak, Alaska · 1714 days ago · 6 km deep · 57 km away
  55. 1.97 km NE of Adak, Alaska · 1714 days ago · 5 km deep · 57 km away
  56. 1.766 km SSW of Adak, Alaska · 1714 days ago · 34 km deep · 67 km away
  57. 2.230 km SSW of Adak, Alaska · 1713 days ago · 62 km deep · 48 km away
  58. 1.668 km SSW of Adak, Alaska · 1713 days ago · 26 km deep · 67 km away
  59. 2.571 km ESE of Adak, Alaska · 1713 days ago · 35 km deep · 26 km away
  60. 2.787 km ESE of Adak, Alaska · 1712 days ago · 35 km deep · 38 km away

The first 60 of 173.

Before

  1. 2.020 km SSE of Adak, Alaska · 1735 days ago · 62 km deep · 38 km away
  2. 2.787 km SE of Adak, Alaska · 1735 days ago · 23 km deep · 32 km away
  3. 3.391 km SE of Adak, Alaska · 1735 days ago · 35 km deep · 39 km away
  4. 2.116 km NNE of Adak, Alaska · 1736 days ago · 110 km deep · 66 km away
  5. 1.646 km SSE of Adak, Alaska · 1736 days ago · 31 km deep · 15 km away
  6. 3.056 km NE of Adak, Alaska · 1737 days ago · 158 km deep · 84 km away
  7. 2.746 km S of Adak, Alaska · 1737 days ago · 52 km deep · 28 km away
  8. 1.951 km S of Adak, Alaska · 1738 days ago · 25 km deep · 27 km away
  9. 1.953 km S of Adak, Alaska · 1738 days ago · 23 km deep · 31 km away
  10. 1.761 km SE of Adak, Alaska · 1739 days ago · 26 km deep · 9 km away
  11. 1.656 km SE of Adak, Alaska · 1739 days ago · 25 km deep · 2 km away
  12. 1.862 km SE of Adak, Alaska · 1739 days ago · 24 km deep · 10 km away
  13. 1.875 km ESE of Adak, Alaska · 1739 days ago · 36 km deep · 30 km away
  14. 2.943 km S of Adak, Alaska · 1741 days ago · 35 km deep · 37 km away
  15. 4.029 km SSW of Adak, Alaska · 1743 days ago · 71 km deep · 52 km away
  16. 1.855 km SSE of Adak, Alaska · 1743 days ago · 26 km deep · 20 km away
  17. 1.764 km SSE of Adak, Alaska · 1743 days ago · 23 km deep · 15 km away
  18. 1.769 km SW of Adak, Alaska · 1743 days ago · 43 km deep · 91 km away
  19. 1.865 km SSE of Adak, Alaska · 1745 days ago · 26 km deep · 12 km away
  20. 2.144 km SSE of Adak, Alaska · 1745 days ago · 33 km deep · 18 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021ggeno2f. Read Thu, Sep 24, 2026, 10:45 AM UTC.