Alaska earthquakes

M1.7 earthquake 79 km SSE of Akutan, Alaska

A magnitude 1.7 earthquake struck 79 km SSE of Akutan, Alaska on Mon, Dec 20, 2021, 7:28 PM AKST (04:28 UTC), 26 km (16 mi) below the surface.

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

Akutan 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
1.7 (ml), micro
Local time
UTC
2021-12-21 04:28:43 UTC
Depth
25.5 km (15.8 mi), shallow
Epicenter
53.474° N, 165.316° 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
29

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. 2.158 km SE of Unalaska, Alaska · 1743 days ago · 33 km deep · 38 km away
  2. 1.516 km WSW of Akutan, Alaska · 1743 days ago · 16 km deep · 83 km away
  3. 3.199 km SSE of Akutan, Alaska · 1742 days ago · 35 km deep · 27 km away
  4. 1.934 km SSE of Akutan, Alaska · 1742 days ago · 59 km deep · 45 km away
  5. 2.1150 km SSE of Akutan, Alaska · 1741 days ago · 10 km deep · 72 km away
  6. 1.8108 km SE of Akutan, Alaska · 1741 days ago · 32 km deep · 54 km away
  7. 3.295 km SE of Akutan, Alaska · 1739 days ago · 35 km deep · 38 km away
  8. 2.532 km SSW of Unalaska, Alaska · 1738 days ago · 78 km deep · 98 km away
  9. 2.682 km E of Akutan, Alaska · 1738 days ago · 50 km deep · 90 km away
  10. 1.774 km SE of Unalaska, Alaska · 1737 days ago · 13 km deep · 23 km away
  11. 2.897 km SE of Akutan, Alaska · 1737 days ago · 35 km deep · 41 km away
  12. 2.161 km SE of Akutan, Alaska · 1733 days ago · 50 km deep · 35 km away
  13. 2.2113 km ESE of Akutan, Alaska · 1732 days ago · 38 km deep · 82 km away
  14. 2.7120 km ESE of Akutan, Alaska · 1732 days ago · 35 km deep · 85 km away
  15. 1.875 km S of Unalaska, Alaska · 1732 days ago · 26 km deep · 78 km away
  16. 1.9Fox Islands, Aleutian Islands, Alaska · 1731 days ago · 51 km deep · 78 km away
  17. 4.261 km SE of Unalaska, Alaska · 1730 days ago · 44 km deep · 37 km away · felt by 5
  18. 3.729 km E of Unalaska, Alaska · 1730 days ago · 37 km deep · 68 km away
  19. 1.964 km S of Akutan, Alaska · 1730 days ago · 41 km deep · 22 km away
  20. 1.938 km S of Unalaska, Alaska · 1729 days ago · 71 km deep · 77 km away
  21. 2.672 km SSE of Akutan, Alaska · 1729 days ago · 35 km deep · 12 km away
  22. 2.7123 km SE of Akutan, Alaska · 1728 days ago · 28 km deep · 74 km away
  23. 3.658 km ESE of Unalaska, Alaska · 1727 days ago · 49 km deep · 34 km away
  24. 1.927 km SSW of Unalaska, Alaska · 1727 days ago · 84 km deep · 92 km away
  25. 2.864 km SE of Akutan, Alaska · 1727 days ago · 35 km deep · 42 km away
  26. 1.732 km S of Akutan, Alaska · 1726 days ago · 74 km deep · 56 km away
  27. 3.072 km S of Unalaska, Alaska · 1725 days ago · 35 km deep · 84 km away
  28. 2.175 km E of Akutan, Alaska · 1724 days ago · 65 km deep · 97 km away
  29. 2.054 km E of Akutan, Alaska · 1724 days ago · 70 km deep · 79 km away
  30. 4.058 km SSE of Unalaska, Alaska · 1723 days ago · 43 km deep · 53 km away
  31. 2.678 km S of Unalaska, Alaska · 1723 days ago · 33 km deep · 99 km away
  32. 3.1153 km SE of Akutan, Alaska · 1723 days ago · 35 km deep · 87 km away
  33. 1.739 km SSW of Unalaska, Alaska · 1722 days ago · 74 km deep · 91 km away
  34. 2.119 km SE of Unalaska, Alaska · 1722 days ago · 77 km deep · 73 km away
  35. 1.837 km SE of Akutan, Alaska · 1722 days ago · 63 km deep · 51 km away
  36. 2.0102 km SE of Akutan, Alaska · 1721 days ago · 25 km deep · 30 km away
  37. 3.1119 km ESE of Akutan, Alaska · 1721 days ago · 27 km deep · 93 km away
  38. 1.978 km ESE of Akutan, Alaska · 1720 days ago · 56 km deep · 47 km away
  39. 2.928 km SSE of Unalaska, Alaska · 1720 days ago · 72 km deep · 73 km away
  40. 2.926 km E of Unalaska, Alaska · 1720 days ago · 80 km deep · 69 km away
  41. 1.777 km S of Akutan, Alaska · 1718 days ago · 21 km deep · 16 km away
  42. 1.549 km SSE of Unalaska, Alaska · 1718 days ago · 42 km deep · 60 km away
  43. 2.0Fox Islands, Aleutian Islands, Alaska · 1718 days ago · 6 km deep · 50 km away
  44. 2.090 km E of Akutan, Alaska · 1717 days ago · 65 km deep · 82 km away
  45. 2.6107 km ESE of Akutan, Alaska · 1717 days ago · 35 km deep · 77 km away
  46. 2.0102 km ESE of Akutan, Alaska · 1717 days ago · 47 km deep · 79 km away
  47. 1.771 km SSE of Akutan, Alaska · 1716 days ago · 36 km deep · 14 km away
  48. 2.1112 km ESE of Akutan, Alaska · 1713 days ago · 58 km deep · 91 km away
  49. 2.0102 km ESE of Akutan, Alaska · 1713 days ago · 35 km deep · 78 km away
  50. 1.9Fox Islands, Aleutian Islands, Alaska · 1712 days ago · 27 km deep · 18 km away
  51. 6.271 km S of Unalaska, Alaska · 1712 days ago · 29 km deep · 94 km away · felt by 23 · tsunami flag
  52. 3.480 km S of Unalaska, Alaska · 1712 days ago · 35 km deep · 100 km away · felt by 1
  53. 2.974 km S of Unalaska, Alaska · 1712 days ago · 35 km deep · 97 km away
  54. 2.068 km S of Unalaska, Alaska · 1712 days ago · 16 km deep · 84 km away
  55. 2.066 km S of Unalaska, Alaska · 1711 days ago · 20 km deep · 86 km away
  56. 1.875 km S of Unalaska, Alaska · 1711 days ago · 20 km deep · 92 km away
  57. 2.778 km S of Unalaska, Alaska · 1711 days ago · 34 km deep · 96 km away
  58. 1.870 km SSW of Unalaska, Alaska · 1711 days ago · 44 km deep · 99 km away
  59. 2.077 km S of Unalaska, Alaska · 1711 days ago · 23 km deep · 97 km away
  60. 3.4Fox Islands, Aleutian Islands, Alaska · 1711 days ago · 32 km deep · 95 km away

The first 60 of 198.

Before

  1. 2.240 km SE of Unalaska, Alaska · 1744 days ago · 63 km deep · 54 km away
  2. 1.735 km E of Akutan, Alaska · 1744 days ago · 26 km deep · 76 km away
  3. 1.845 km ESE of Unalaska, Alaska · 1744 days ago · 66 km deep · 47 km away
  4. 1.641 km ESE of Unalaska, Alaska · 1745 days ago · 28 km deep · 52 km away
  5. 2.0south of the Aleutian Islands · 1746 days ago · 20 km deep · 68 km away
  6. 2.943 km SE of Akutan, Alaska · 1746 days ago · 62 km deep · 39 km away
  7. 3.4Fox Islands, Aleutian Islands, Alaska · 1747 days ago · 35 km deep · 15 km away
  8. 1.973 km SE of Akutan, Alaska · 1748 days ago · 56 km deep · 19 km away
  9. 2.7129 km SSE of Unalaska, Alaska · 1749 days ago · 10 km deep · 67 km away
  10. 1.850 km SE of Akutan, Alaska · 1750 days ago · 56 km deep · 41 km away
  11. 2.173 km SE of Unalaska, Alaska · 1751 days ago · 21 km deep · 24 km away
  12. 2.019 km WSW of Akutan, Alaska · 1751 days ago · 90 km deep · 79 km away
  13. 2.030 km E of Akutan, Alaska · 1752 days ago · 86 km deep · 72 km away
  14. 4.574 km SE of Akutan, Alaska · 1752 days ago · 47 km deep · 36 km away
  15. 2.268 km SE of Unalaska, Alaska · 1753 days ago · 29 km deep · 38 km away
  16. 3.1103 km ESE of Akutan, Alaska · 1754 days ago · 35 km deep · 67 km away
  17. 3.530 km E of Akutan, Alaska · 1755 days ago · 80 km deep · 69 km away
  18. 1.877 km SE of Unalaska, Alaska · 1756 days ago · 20 km deep · 32 km away
  19. 3.098 km SE of Akutan, Alaska · 1756 days ago · 24 km deep · 51 km away
  20. 2.8123 km ESE of Akutan, Alaska · 1758 days ago · 35 km deep · 93 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021gb6c159. Read Tue, Sep 29, 2026, 5:08 PM UTC.