Alaska earthquakes

M1.6 earthquake 21 km SE of Unalaska, Alaska

A magnitude 1.6 earthquake struck 21 km SE of Unalaska, Alaska on Sat, Dec 21, 2024, 4:51 AM AKST (13:51 UTC), 73 km (45 mi) below the surface.

A larger quake followed: M5.6 86 km SSW 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.

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The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2024-12-21 13:51:53 UTC
Depth
72.5 km (45.0 mi), intermediate-depth
Epicenter
53.736° N, 166.303° 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
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 164 in the 60 days after this one and 90 in the 30 days before it.

After

  1. 2.156 km SE of Akutan, Alaska · 650 days ago · 49 km deep · 74 km away
  2. 1.982 km SSW of Unalaska, Alaska · 649 days ago · 26 km deep · 73 km away
  3. 1.937 km S of Unalaska, Alaska · 649 days ago · 69 km deep · 24 km away
  4. 2.845 km SE of Unalaska, Alaska · 648 days ago · 58 km deep · 25 km away
  5. 3.048 km S of Akutan, Alaska · 648 days ago · 35 km deep · 38 km away
  6. 1.986 km SSW of Unalaska, Alaska · 648 days ago · 45 km deep · 80 km away
  7. 2.862 km SW of Unalaska, Alaska · 648 days ago · 30 km deep · 62 km away
  8. 1.984 km S of Unalaska, Alaska · 647 days ago · 22 km deep · 73 km away
  9. 1.983 km SSW of Unalaska, Alaska · 647 days ago · 13 km deep · 78 km away
  10. 2.582 km SE of Akutan, Alaska · 646 days ago · 35 km deep · 94 km away
  11. 2.1119 km SSE of Unalaska, Alaska · 646 days ago · 13 km deep · 98 km away
  12. 3.282 km S of Unalaska, Alaska · 645 days ago · 26 km deep · 70 km away
  13. 2.066 km SE of Unalaska, Alaska · 645 days ago · 23 km deep · 45 km away
  14. 2.382 km SE of Akutan, Alaska · 645 days ago · 38 km deep · 96 km away
  15. 3.066 km SE of Unalaska, Alaska · 645 days ago · 35 km deep · 45 km away
  16. 2.078 km S of Unalaska, Alaska · 644 days ago · 26 km deep · 67 km away
  17. 2.979 km S of Unalaska, Alaska · 644 days ago · 35 km deep · 69 km away
  18. 1.9109 km S of Unalaska, Alaska · 644 days ago · 2 km deep · 97 km away
  19. 1.960 km SE of Unalaska, Alaska · 644 days ago · 45 km deep · 39 km away
  20. 1.975 km SSE of Akutan, Alaska · 641 days ago · 38 km deep · 73 km away
  21. 2.154 km NW of Dutch Harbor, Alaska · 641 days ago · 133 km deep · 78 km away
  22. 1.973 km SSE of Akutan, Alaska · 641 days ago · 22 km deep · 67 km away
  23. 1.675 km SW of Unalaska, Alaska · 640 days ago · 13 km deep · 80 km away
  24. 2.988 km SE of Akutan, Alaska · 639 days ago · 14 km deep · 89 km away
  25. 2.222 km W of Akutan, Alaska · 637 days ago · 71 km deep · 49 km away
  26. 2.085 km SE of Unalaska, Alaska · 636 days ago · 38 km deep · 64 km away
  27. 1.753 km SW of Unalaska, Alaska · 635 days ago · 14 km deep · 59 km away
  28. 1.872 km SE of Unalaska, Alaska · 635 days ago · 24 km deep · 51 km away
  29. 1.878 km SSW of Unalaska, Alaska · 635 days ago · 54 km deep · 72 km away
  30. 2.040 km S of Unalaska, Alaska · 634 days ago · 86 km deep · 28 km away
  31. 2.081 km SSW of Unalaska, Alaska · 634 days ago · 26 km deep · 73 km away
  32. 2.287 km SE of Akutan, Alaska · 634 days ago · 38 km deep · 95 km away
  33. 2.055 km WSW of Unalaska, Alaska · 633 days ago · 87 km deep · 68 km away
  34. 2.288 km SE of Akutan, Alaska · 633 days ago · 29 km deep · 96 km away
  35. 1.851 km SW of Unalaska, Alaska · 633 days ago · 18 km deep · 59 km away
  36. 1.752 km SW of Unalaska, Alaska · 633 days ago · 13 km deep · 59 km away
  37. 2.382 km SSE of Akutan, Alaska · 633 days ago · 26 km deep · 76 km away
  38. 1.685 km SSW of Unalaska, Alaska · 633 days ago · 19 km deep · 79 km away
  39. 2.2105 km SE of Unalaska, Alaska · 633 days ago · 25 km deep · 83 km away
  40. 1.943 km S of Akutan, Alaska · 633 days ago · 57 km deep · 34 km away
  41. 1.747 km SW of Unalaska, Alaska · 633 days ago · 4 km deep · 54 km away
  42. 2.086 km SSW of Unalaska, Alaska · 632 days ago · 44 km deep · 81 km away
  43. 1.583 km SSW of Unalaska, Alaska · 632 days ago · 7 km deep · 78 km away
  44. 2.157 km SE of Akutan, Alaska · 632 days ago · 55 km deep · 81 km away
  45. 1.771 km SE of Unalaska, Alaska · 632 days ago · 22 km deep · 50 km away
  46. 3.259 km SSE of Akutan, Alaska · 632 days ago · 35 km deep · 50 km away
  47. 2.610 km WSW of Akutan, Alaska · 630 days ago · 21 km deep · 49 km away
  48. 2.585 km SSW of Unalaska, Alaska · 630 days ago · 35 km deep · 79 km away
  49. 2.027 km SSW of Unalaska, Alaska · 630 days ago · 69 km deep · 29 km away
  50. 2.730 km SSW of Unalaska, Alaska · 629 days ago · 93 km deep · 26 km away
  51. 3.360 km SE of Akutan, Alaska · 629 days ago · 35 km deep · 83 km away
  52. 2.036 km SE of Unalaska, Alaska · 629 days ago · 47 km deep · 15 km away
  53. 1.958 km SSE of Akutan, Alaska · 628 days ago · 34 km deep · 67 km away
  54. 1.960 km SSE of Akutan, Alaska · 628 days ago · 40 km deep · 64 km away
  55. 1.888 km SSW of Unalaska, Alaska · 627 days ago · 41 km deep · 82 km away
  56. 4.282 km SSW of Unalaska, Alaska · 627 days ago · 43 km deep · 74 km away
  57. 1.982 km SSW of Unalaska, Alaska · 627 days ago · 19 km deep · 73 km away
  58. 1.882 km SSW of Unalaska, Alaska · 627 days ago · 26 km deep · 74 km away
  59. 1.882 km SSW of Unalaska, Alaska · 627 days ago · 26 km deep · 74 km away
  60. 1.571 km WSW of Unalaska, Alaska · 626 days ago · 7 km deep · 79 km away

The first 60 of 164.

Before

  1. 1.971 km SSE of Akutan, Alaska · 651 days ago · 21 km deep · 56 km away
  2. 1.786 km SSE of Akutan, Alaska · 651 days ago · 22 km deep · 78 km away
  3. 1.570 km WSW of Unalaska, Alaska · 651 days ago · 13 km deep · 81 km away
  4. 1.591 km SSW of Unalaska, Alaska · 652 days ago · 10 km deep · 84 km away
  5. 3.021 km SSE of Unalaska, Alaska · 652 days ago · 72 km deep · 10 km away
  6. 2.885 km SE of Akutan, Alaska · 652 days ago · 35 km deep · 95 km away
  7. 1.986 km SSW of Unalaska, Alaska · 652 days ago · 36 km deep · 81 km away
  8. 1.923 km SW of Unalaska, Alaska · 652 days ago · 89 km deep · 33 km away
  9. 1.845 km S of Akutan, Alaska · 652 days ago · 53 km deep · 32 km away
  10. 2.853 km SSE of Unalaska, Alaska · 652 days ago · 82 km deep · 34 km away
  11. 2.285 km SSE of Akutan, Alaska · 653 days ago · 32 km deep · 75 km away
  12. 2.255 km SE of Akutan, Alaska · 653 days ago · 43 km deep · 75 km away
  13. 3.463 km S of Akutan, Alaska · 654 days ago · 35 km deep · 50 km away
  14. 3.376 km S of Akutan, Alaska · 654 days ago · 35 km deep · 56 km away
  15. 1.976 km WSW of Unalaska, Alaska · 654 days ago · 74 km deep · 84 km away
  16. 2.259 km SE of Akutan, Alaska · 655 days ago · 48 km deep · 76 km away
  17. 3.729 km SSE of Akutan, Alaska · 655 days ago · 70 km deep · 45 km away
  18. 1.981 km SSW of Unalaska, Alaska · 655 days ago · 26 km deep · 73 km away
  19. 2.089 km SSW of Unalaska, Alaska · 655 days ago · 25 km deep · 83 km away
  20. 3.180 km SSW of Unalaska, Alaska · 655 days ago · 35 km deep · 72 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak024gczd8b3. Read Sat, Oct 3, 2026, 6:38 AM UTC.