Alaska earthquakes

M2.1 earthquake 31 km SE of Adak, Alaska

A magnitude 2.1 earthquake struck 31 km SE of Adak, Alaska on Wed, Dec 1, 2021, 9:49 PM HAST (07:49 UTC), 81 km (50 mi) below the surface.

A larger quake followed: M2.7 87 km SW of Adak, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.1 (ml), micro
Local time
UTC
2021-12-02 07:49:28 UTC
Depth
80.6 km (50.1 mi), intermediate-depth
Epicenter
51.638° N, 176.378° 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
16

Nearby

Within 100 km, magnitude 1.5 and up: 174 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 2.787 km SW of Adak, Alaska · 1757 days ago · 37 km deep · 91 km away
  2. 2.588 km SW of Adak, Alaska · 1757 days ago · 35 km deep · 92 km away
  3. 2.260 km SSE of Adak, Alaska · 1757 days ago · 26 km deep · 33 km away
  4. 1.861 km SSW of Adak, Alaska · 1757 days ago · 40 km deep · 53 km away
  5. 1.984 km SW of Adak, Alaska · 1757 days ago · 53 km deep · 90 km away
  6. 2.9Andreanof Islands, Aleutian Islands, Alaska · 1757 days ago · 153 km deep · 88 km away
  7. 2.840 km SSE of Adak, Alaska · 1756 days ago · 52 km deep · 10 km away
  8. 1.666 km SW of Adak, Alaska · 1755 days ago · 40 km deep · 69 km away
  9. 3.352 km SSE of Adak, Alaska · 1755 days ago · 35 km deep · 24 km away
  10. 2.868 km WSW of Adak, Alaska · 1754 days ago · 35 km deep · 78 km away
  11. 1.856 km S of Adak, Alaska · 1754 days ago · 45 km deep · 30 km away
  12. 2.063 km ESE of Adak, Alaska · 1753 days ago · 43 km deep · 40 km away
  13. 1.887 km WSW of Adak, Alaska · 1752 days ago · 36 km deep · 96 km away
  14. 1.956 km SSE of Adak, Alaska · 1751 days ago · 16 km deep · 25 km away
  15. 2.076 km SW of Adak, Alaska · 1751 days ago · 31 km deep · 82 km away
  16. 2.772 km SE of Adak, Alaska · 1750 days ago · 35 km deep · 42 km away
  17. 1.963 km SSW of Adak, Alaska · 1750 days ago · 35 km deep · 51 km away
  18. 1.538 km SW of Adak, Alaska · 1748 days ago · 26 km deep · 44 km away
  19. 3.274 km ENE of Adak, Alaska · 1748 days ago · 185 km deep · 73 km away
  20. 1.640 km SE of Adak, Alaska · 1748 days ago · 31 km deep · 9 km away
  21. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1748 days ago · 19 km deep · 8 km away
  22. 1.592 km SW of Adak, Alaska · 1748 days ago · 32 km deep · 92 km away
  23. 2.792 km SE of Adak, Alaska · 1748 days ago · 35 km deep · 65 km away
  24. 1.634 km SW of Adak, Alaska · 1748 days ago · 69 km deep · 37 km away
  25. 2.096 km SW of Atka, Alaska · 1748 days ago · 25 km deep · 80 km away
  26. 1.668 km SW of Adak, Alaska · 1747 days ago · 36 km deep · 65 km away
  27. 1.674 km SW of Adak, Alaska · 1747 days ago · 36 km deep · 76 km away
  28. 2.570 km ESE of Adak, Alaska · 1747 days ago · 35 km deep · 43 km away
  29. 2.339 km E of Adak, Alaska · 1746 days ago · 127 km deep · 29 km away
  30. 2.676 km SSW of Adak, Alaska · 1746 days ago · 35 km deep · 68 km away
  31. 1.839 km SSE of Adak, Alaska · 1746 days ago · 48 km deep · 11 km away
  32. 4.089 km SW of Adak, Alaska · 1745 days ago · 35 km deep · 90 km away
  33. 2.144 km SSE of Adak, Alaska · 1745 days ago · 33 km deep · 14 km away
  34. 1.865 km SSE of Adak, Alaska · 1745 days ago · 26 km deep · 33 km away
  35. 1.769 km SW of Adak, Alaska · 1743 days ago · 43 km deep · 75 km away
  36. 1.978 km WSW of Adak, Alaska · 1743 days ago · 73 km deep · 92 km away
  37. 1.764 km SSE of Adak, Alaska · 1743 days ago · 23 km deep · 33 km away
  38. 1.855 km SSE of Adak, Alaska · 1743 days ago · 26 km deep · 26 km away
  39. 4.029 km SSW of Adak, Alaska · 1743 days ago · 71 km deep · 31 km away
  40. 2.943 km S of Adak, Alaska · 1741 days ago · 35 km deep · 26 km away
  41. 3.2101 km SW of Adak, Alaska · 1739 days ago · 31 km deep · 97 km away
  42. 1.875 km ESE of Adak, Alaska · 1739 days ago · 36 km deep · 49 km away
  43. 1.862 km SE of Adak, Alaska · 1739 days ago · 24 km deep · 32 km away
  44. 1.656 km SE of Adak, Alaska · 1739 days ago · 25 km deep · 25 km away
  45. 1.761 km SE of Adak, Alaska · 1739 days ago · 26 km deep · 32 km away
  46. 1.679 km WSW of Adak, Alaska · 1739 days ago · 56 km deep · 91 km away
  47. 1.953 km S of Adak, Alaska · 1738 days ago · 23 km deep · 29 km away
  48. 1.951 km S of Adak, Alaska · 1738 days ago · 25 km deep · 26 km away
  49. 1.777 km WSW of Adak, Alaska · 1737 days ago · 26 km deep · 86 km away
  50. 2.746 km S of Adak, Alaska · 1737 days ago · 52 km deep · 22 km away
  51. 3.056 km NE of Adak, Alaska · 1737 days ago · 158 km deep · 70 km away
  52. 1.646 km SSE of Adak, Alaska · 1736 days ago · 31 km deep · 15 km away
  53. 2.116 km NNE of Adak, Alaska · 1736 days ago · 110 km deep · 43 km away
  54. 3.391 km SE of Adak, Alaska · 1735 days ago · 35 km deep · 62 km away
  55. 2.787 km SE of Adak, Alaska · 1735 days ago · 23 km deep · 57 km away
  56. 2.020 km SSE of Adak, Alaska · 1735 days ago · 62 km deep · 13 km away
  57. 2.156 km SE of Adak, Alaska · 1735 days ago · 26 km deep · 25 km away
  58. 1.550 km SW of Adak, Alaska · 1734 days ago · 16 km deep · 57 km away
  59. 2.182 km E of Adak, Alaska · 1734 days ago · 67 km deep · 69 km away
  60. 2.780 km SE of Adak, Alaska · 1733 days ago · 35 km deep · 50 km away

The first 60 of 174.

Before

  1. 3.0Andreanof Islands, Aleutian Islands, Alaska · 1757 days ago · 35 km deep · 72 km away
  2. 2.994 km SW of Adak, Alaska · 1758 days ago · 35 km deep · 90 km away
  3. 2.980 km ESE of Adak, Alaska · 1758 days ago · 34 km deep · 58 km away
  4. 1.797 km ESE of Adak, Alaska · 1758 days ago · 13 km deep · 72 km away
  5. 1.7Andreanof Islands, Aleutian Islands, Alaska · 1759 days ago · 35 km deep · 40 km away
  6. 1.951 km ENE of Adak, Alaska · 1759 days ago · 89 km deep · 50 km away
  7. 2.574 km SSE of Adak, Alaska · 1759 days ago · 26 km deep · 46 km away
  8. 3.445 km S of Adak, Alaska · 1760 days ago · 35 km deep · 27 km away
  9. 2.223 km SE of Adak, Alaska · 1760 days ago · 114 km deep · 9 km away
  10. 3.454 km SE of Adak, Alaska · 1761 days ago · 36 km deep · 24 km away
  11. 2.536 km E of Adak, Alaska · 1761 days ago · 130 km deep · 38 km away
  12. 2.021 km WSW of Adak, Alaska · 1761 days ago · 82 km deep · 40 km away
  13. 3.365 km NE of Adak, Alaska · 1761 days ago · 191 km deep · 77 km away
  14. 3.246 km SSE of Adak, Alaska · 1762 days ago · 35 km deep · 16 km away
  15. 1.878 km E of Adak, Alaska · 1762 days ago · 30 km deep · 63 km away
  16. 3.133 km NNE of Adak, Alaska · 1763 days ago · 222 km deep · 59 km away
  17. 2.880 km SW of Adak, Alaska · 1764 days ago · 42 km deep · 81 km away
  18. 2.068 km ENE of Adak, Alaska · 1764 days ago · 144 km deep · 67 km away
  19. 1.962 km SE of Adak, Alaska · 1764 days ago · 26 km deep · 30 km away
  20. 2.749 km NE of Adak, Alaska · 1764 days ago · 151 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021fft17f1. Read Thu, Sep 24, 2026, 9:22 AM UTC.