Alaska earthquakes

M1.6 earthquake 41 km ESE of Unalaska, Alaska

A magnitude 1.6 earthquake struck 41 km ESE of Unalaska, Alaska on Sun, Dec 19, 2021, 4:32 PM AKST (01:32 UTC), 28 km (17 mi) below the surface.

A larger quake followed: M6.2 71 km S of Unalaska, Alaska. This one was a foreshock.

Unalaska forecastMore in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (ml), micro
Local time
UTC
2021-12-20 01:32:14 UTC
Depth
27.6 km (17.1 mi), shallow
Epicenter
53.761° N, 165.933° 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

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and 44 in the 30 days before it.

After

  1. 1.748 km SSW of Unalaska, Alaska · 1745 days ago · 65 km deep · 71 km away
  2. 1.845 km ESE of Unalaska, Alaska · 1745 days ago · 66 km deep · 6 km away
  3. 1.735 km E of Akutan, Alaska · 1745 days ago · 26 km deep · 64 km away
  4. 2.240 km SE of Unalaska, Alaska · 1744 days ago · 63 km deep · 20 km away
  5. 1.779 km SSE of Akutan, Alaska · 1744 days ago · 26 km deep · 52 km away
  6. 2.158 km SE of Unalaska, Alaska · 1743 days ago · 33 km deep · 27 km away
  7. 1.516 km WSW of Akutan, Alaska · 1743 days ago · 16 km deep · 38 km away
  8. 3.199 km SSE of Akutan, Alaska · 1742 days ago · 35 km deep · 78 km away
  9. 1.934 km SSE of Akutan, Alaska · 1742 days ago · 59 km deep · 22 km away
  10. 1.8108 km SE of Akutan, Alaska · 1741 days ago · 32 km deep · 98 km away
  11. 3.295 km SE of Akutan, Alaska · 1739 days ago · 35 km deep · 82 km away
  12. 2.532 km SSW of Unalaska, Alaska · 1739 days ago · 78 km deep · 58 km away
  13. 1.774 km SE of Unalaska, Alaska · 1737 days ago · 13 km deep · 39 km away
  14. 2.897 km SE of Akutan, Alaska · 1737 days ago · 35 km deep · 85 km away
  15. 2.161 km SE of Akutan, Alaska · 1734 days ago · 50 km deep · 56 km away
  16. 2.285 km SSW of Unalaska, Alaska · 1733 days ago · 17 km deep · 96 km away
  17. 1.755 km SW of Unalaska, Alaska · 1732 days ago · 13 km deep · 85 km away
  18. 2.966 km SSW of Unalaska, Alaska · 1732 days ago · 4 km deep · 85 km away
  19. 1.875 km S of Unalaska, Alaska · 1732 days ago · 26 km deep · 69 km away
  20. 1.642 km SW of Unalaska, Alaska · 1731 days ago · 15 km deep · 74 km away
  21. 1.9Fox Islands, Aleutian Islands, Alaska · 1731 days ago · 51 km deep · 62 km away
  22. 1.656 km SW of Unalaska, Alaska · 1731 days ago · 17 km deep · 86 km away
  23. 4.261 km SE of Unalaska, Alaska · 1730 days ago · 44 km deep · 31 km away · felt by 5
  24. 3.729 km E of Unalaska, Alaska · 1730 days ago · 37 km deep · 17 km away
  25. 1.964 km S of Akutan, Alaska · 1730 days ago · 41 km deep · 30 km away
  26. 3.583 km S of Unalaska, Alaska · 1730 days ago · 29 km deep · 88 km away
  27. 1.938 km S of Unalaska, Alaska · 1729 days ago · 71 km deep · 44 km away
  28. 2.672 km SSE of Akutan, Alaska · 1729 days ago · 35 km deep · 51 km away
  29. 2.169 km SSW of Unalaska, Alaska · 1728 days ago · 21 km deep · 80 km away
  30. 3.287 km S of Unalaska, Alaska · 1728 days ago · 35 km deep · 91 km away
  31. 3.5Fox Islands, Aleutian Islands, Alaska · 1728 days ago · 35 km deep · 90 km away
  32. 3.658 km ESE of Unalaska, Alaska · 1728 days ago · 49 km deep · 21 km away
  33. 2.075 km SSW of Unalaska, Alaska · 1727 days ago · 38 km deep · 83 km away
  34. 1.927 km SSW of Unalaska, Alaska · 1727 days ago · 84 km deep · 51 km away
  35. 1.931 km WSW of Unalaska, Alaska · 1727 days ago · 83 km deep · 68 km away
  36. 2.864 km SE of Akutan, Alaska · 1727 days ago · 35 km deep · 63 km away
  37. 1.732 km S of Akutan, Alaska · 1726 days ago · 74 km deep · 11 km away
  38. 3.072 km S of Unalaska, Alaska · 1726 days ago · 35 km deep · 71 km away
  39. 2.188 km S of Unalaska, Alaska · 1724 days ago · 26 km deep · 91 km away
  40. 2.054 km E of Akutan, Alaska · 1724 days ago · 70 km deep · 78 km away
  41. 1.846 km WSW of Unalaska, Alaska · 1724 days ago · 11 km deep · 80 km away
  42. 3.041 km WSW of Unalaska, Alaska · 1724 days ago · 83 km deep · 76 km away
  43. 3.057 km SW of Unalaska, Alaska · 1723 days ago · 35 km deep · 81 km away
  44. 4.058 km SSE of Unalaska, Alaska · 1723 days ago · 43 km deep · 41 km away
  45. 2.678 km S of Unalaska, Alaska · 1723 days ago · 33 km deep · 83 km away
  46. 1.739 km SSW of Unalaska, Alaska · 1722 days ago · 74 km deep · 56 km away
  47. 2.119 km SE of Unalaska, Alaska · 1722 days ago · 77 km deep · 26 km away
  48. 1.837 km SE of Akutan, Alaska · 1722 days ago · 63 km deep · 46 km away
  49. 2.0102 km SE of Akutan, Alaska · 1721 days ago · 25 km deep · 81 km away
  50. 1.615 km WSW of Dutch Harbor, Alaska · 1721 days ago · 6 km deep · 56 km away
  51. 3.218 km W of Dutch Harbor, Alaska · 1721 days ago · 9 km deep · 59 km away
  52. 1.720 km W of Dutch Harbor, Alaska · 1721 days ago · 12 km deep · 61 km away
  53. 2.619 km W of Dutch Harbor, Alaska · 1721 days ago · 10 km deep · 60 km away
  54. 1.978 km ESE of Akutan, Alaska · 1720 days ago · 56 km deep · 76 km away
  55. 2.928 km SSE of Unalaska, Alaska · 1720 days ago · 72 km deep · 33 km away
  56. 2.926 km E of Unalaska, Alaska · 1720 days ago · 80 km deep · 17 km away
  57. 3.880 km SSW of Unalaska, Alaska · 1719 days ago · 39 km deep · 88 km away
  58. 1.777 km S of Akutan, Alaska · 1718 days ago · 21 km deep · 42 km away
  59. 1.549 km SSE of Unalaska, Alaska · 1718 days ago · 42 km deep · 37 km away
  60. 2.0Fox Islands, Aleutian Islands, Alaska · 1718 days ago · 6 km deep · 85 km away

The first 60 of 198.

Before

  1. 2.0south of the Aleutian Islands · 1746 days ago · 20 km deep · 97 km away
  2. 2.943 km SE of Akutan, Alaska · 1746 days ago · 62 km deep · 38 km away
  3. 3.4Fox Islands, Aleutian Islands, Alaska · 1747 days ago · 35 km deep · 65 km away
  4. 2.254 km ENE of Akutan, Alaska · 1748 days ago · 115 km deep · 90 km away
  5. 1.973 km SE of Akutan, Alaska · 1749 days ago · 56 km deep · 57 km away
  6. 1.850 km SE of Akutan, Alaska · 1750 days ago · 56 km deep · 48 km away
  7. 1.964 km SW of Unalaska, Alaska · 1751 days ago · 75 km deep · 93 km away
  8. 2.173 km SE of Unalaska, Alaska · 1751 days ago · 21 km deep · 38 km away
  9. 2.019 km WSW of Akutan, Alaska · 1752 days ago · 90 km deep · 32 km away
  10. 2.030 km E of Akutan, Alaska · 1752 days ago · 86 km deep · 57 km away
  11. 4.574 km SE of Akutan, Alaska · 1752 days ago · 47 km deep · 68 km away
  12. 2.268 km SE of Unalaska, Alaska · 1753 days ago · 29 km deep · 40 km away
  13. 3.530 km E of Akutan, Alaska · 1755 days ago · 80 km deep · 55 km away
  14. 1.877 km SE of Unalaska, Alaska · 1756 days ago · 20 km deep · 47 km away
  15. 3.098 km SE of Akutan, Alaska · 1756 days ago · 24 km deep · 91 km away
  16. 3.563 km NNW of Dutch Harbor, Alaska · 1756 days ago · 183 km deep · 93 km away
  17. 2.066 km SE of Unalaska, Alaska · 1759 days ago · 39 km deep · 32 km away
  18. 1.832 km ESE of Akutan, Alaska · 1759 days ago · 46 km deep · 47 km away
  19. 1.654 km SW of Unalaska, Alaska · 1760 days ago · 13 km deep · 83 km away
  20. 1.96 km NW of Akutan, Alaska · 1760 days ago · 106 km deep · 47 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021g9h16yv. Read Tue, Sep 29, 2026, 8:37 PM UTC.