Alaska earthquakes

M1.5 earthquake 70 km WSW of Unalaska, Alaska

A magnitude 1.5 earthquake struck 70 km WSW of Unalaska, Alaska on Fri, Dec 20, 2024, 11:39 AM AKST (20:39 UTC), 13 km (8 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
1.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2024-12-20 20:39:00 UTC
Depth
13.2 km (8.2 mi), shallow
Epicenter
53.604° N, 167.509° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
1.5ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
1.05ML, local (Richter)AVFinal · ±0.127607921554395 · 13 stations

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
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 130 in the 60 days after this one and 65 in the 30 days before it.

After

  1. 1.621 km SE of Unalaska, Alaska · 649 days ago · 73 km deep · 81 km away
  2. 1.982 km SSW of Unalaska, Alaska · 647 days ago · 26 km deep · 68 km away
  3. 1.937 km S of Unalaska, Alaska · 647 days ago · 69 km deep · 69 km away
  4. 1.986 km SSW of Unalaska, Alaska · 646 days ago · 45 km deep · 59 km away
  5. 2.862 km SW of Unalaska, Alaska · 646 days ago · 30 km deep · 35 km away
  6. 1.984 km S of Unalaska, Alaska · 645 days ago · 22 km deep · 76 km away
  7. 2.0104 km E of Nikolski, Alaska · 645 days ago · 20 km deep · 69 km away
  8. 1.983 km SSW of Unalaska, Alaska · 645 days ago · 13 km deep · 57 km away
  9. 3.282 km S of Unalaska, Alaska · 643 days ago · 26 km deep · 77 km away
  10. 2.078 km S of Unalaska, Alaska · 642 days ago · 26 km deep · 72 km away
  11. 2.979 km S of Unalaska, Alaska · 642 days ago · 35 km deep · 69 km away
  12. 1.9109 km S of Unalaska, Alaska · 642 days ago · 2 km deep · 97 km away
  13. 2.975 km ENE of Nikolski, Alaska · 640 days ago · 88 km deep · 43 km away
  14. 2.154 km NW of Dutch Harbor, Alaska · 639 days ago · 133 km deep · 81 km away
  15. 1.675 km SW of Unalaska, Alaska · 638 days ago · 13 km deep · 17 km away
  16. 2.991 km ENE of Nikolski, Alaska · 637 days ago · 108 km deep · 31 km away
  17. 1.989 km E of Nikolski, Alaska · 634 days ago · 38 km deep · 75 km away
  18. 1.753 km SW of Unalaska, Alaska · 633 days ago · 14 km deep · 26 km away
  19. 1.878 km SSW of Unalaska, Alaska · 633 days ago · 54 km deep · 55 km away
  20. 2.232 km NNE of Nikolski, Alaska · 632 days ago · 11 km deep · 88 km away
  21. 2.040 km S of Unalaska, Alaska · 632 days ago · 86 km deep · 66 km away
  22. 2.081 km SSW of Unalaska, Alaska · 632 days ago · 26 km deep · 68 km away
  23. 2.055 km WSW of Unalaska, Alaska · 631 days ago · 87 km deep · 17 km away
  24. 1.851 km SW of Unalaska, Alaska · 631 days ago · 18 km deep · 22 km away
  25. 1.752 km SW of Unalaska, Alaska · 631 days ago · 13 km deep · 24 km away
  26. 1.685 km SSW of Unalaska, Alaska · 631 days ago · 19 km deep · 62 km away
  27. 1.747 km SW of Unalaska, Alaska · 631 days ago · 4 km deep · 28 km away
  28. 2.086 km SSW of Unalaska, Alaska · 630 days ago · 44 km deep · 58 km away
  29. 1.583 km SSW of Unalaska, Alaska · 630 days ago · 7 km deep · 57 km away
  30. 1.893 km WSW of Unalaska, Alaska · 630 days ago · 89 km deep · 23 km away
  31. 2.585 km SSW of Unalaska, Alaska · 628 days ago · 35 km deep · 59 km away
  32. 2.049 km ENE of Nikolski, Alaska · 628 days ago · 73 km deep · 69 km away
  33. 2.027 km SSW of Unalaska, Alaska · 628 days ago · 69 km deep · 52 km away
  34. 2.730 km SSW of Unalaska, Alaska · 627 days ago · 93 km deep · 57 km away
  35. 2.036 km SE of Unalaska, Alaska · 627 days ago · 47 km deep · 88 km away
  36. 1.951 km ENE of Nikolski, Alaska · 625 days ago · 27 km deep · 71 km away
  37. 1.888 km SSW of Unalaska, Alaska · 625 days ago · 41 km deep · 60 km away
  38. 2.596 km E of Nikolski, Alaska · 625 days ago · 35 km deep · 57 km away
  39. 4.282 km SSW of Unalaska, Alaska · 625 days ago · 43 km deep · 66 km away
  40. 1.982 km SSW of Unalaska, Alaska · 625 days ago · 19 km deep · 67 km away
  41. 1.882 km SSW of Unalaska, Alaska · 625 days ago · 26 km deep · 67 km away
  42. 1.882 km SSW of Unalaska, Alaska · 625 days ago · 26 km deep · 67 km away
  43. 1.895 km E of Nikolski, Alaska · 624 days ago · 26 km deep · 80 km away
  44. 1.891 km E of Nikolski, Alaska · 624 days ago · 23 km deep · 66 km away
  45. 1.571 km WSW of Unalaska, Alaska · 624 days ago · 7 km deep · 6 km away
  46. 2.254 km SW of Unalaska, Alaska · 623 days ago · 24 km deep · 36 km away
  47. 2.032 km SSW of Unalaska, Alaska · 623 days ago · 81 km deep · 56 km away
  48. 2.082 km SSW of Unalaska, Alaska · 622 days ago · 26 km deep · 67 km away
  49. 1.974 km WSW of Unalaska, Alaska · 621 days ago · 13 km deep · 10 km away
  50. 2.440 km ESE of Nikolski, Alaska · 621 days ago · 45 km deep · 100 km away
  51. 1.981 km SSW of Unalaska, Alaska · 621 days ago · 21 km deep · 64 km away
  52. 1.673 km WSW of Unalaska, Alaska · 620 days ago · 7 km deep · 11 km away
  53. 1.8102 km E of Nikolski, Alaska · 620 days ago · 13 km deep · 83 km away
  54. 1.674 km SW of Unalaska, Alaska · 619 days ago · 13 km deep · 12 km away
  55. 1.675 km SW of Unalaska, Alaska · 619 days ago · 7 km deep · 16 km away
  56. 1.769 km WSW of Unalaska, Alaska · 619 days ago · 7 km deep · 4 km away
  57. 1.986 km S of Unalaska, Alaska · 619 days ago · 26 km deep · 80 km away
  58. 1.976 km S of Unalaska, Alaska · 618 days ago · 34 km deep · 69 km away
  59. 2.7108 km E of Nikolski, Alaska · 618 days ago · 35 km deep · 95 km away
  60. 1.8104 km E of Nikolski, Alaska · 618 days ago · 26 km deep · 73 km away

The first 60 of 130.

Before

  1. 1.591 km SSW of Unalaska, Alaska · 650 days ago · 10 km deep · 66 km away
  2. 3.021 km SSE of Unalaska, Alaska · 650 days ago · 72 km deep · 71 km away
  3. 2.890 km ENE of Nikolski, Alaska · 650 days ago · 72 km deep · 39 km away
  4. 1.986 km SSW of Unalaska, Alaska · 650 days ago · 36 km deep · 58 km away
  5. 1.923 km SW of Unalaska, Alaska · 650 days ago · 89 km deep · 48 km away
  6. 2.853 km SSE of Unalaska, Alaska · 650 days ago · 82 km deep · 87 km away
  7. 3.158 km E of Nikolski, Alaska · 651 days ago · 35 km deep · 72 km away
  8. 1.976 km WSW of Unalaska, Alaska · 652 days ago · 74 km deep · 10 km away
  9. 1.981 km SSW of Unalaska, Alaska · 653 days ago · 26 km deep · 65 km away
  10. 2.089 km SSW of Unalaska, Alaska · 653 days ago · 25 km deep · 64 km away
  11. 3.180 km SSW of Unalaska, Alaska · 653 days ago · 35 km deep · 64 km away
  12. 4.574 km SSW of Unalaska, Alaska · 653 days ago · 49 km deep · 54 km away
  13. 2.280 km SSW of Unalaska, Alaska · 653 days ago · 25 km deep · 66 km away
  14. 2.079 km SSW of Unalaska, Alaska · 653 days ago · 26 km deep · 66 km away
  15. 1.9102 km E of Nikolski, Alaska · 653 days ago · 33 km deep · 79 km away
  16. 1.870 km SSW of Unalaska, Alaska · 653 days ago · 46 km deep · 57 km away
  17. 1.653 km SW of Unalaska, Alaska · 654 days ago · 13 km deep · 25 km away
  18. 3.469 km ESE of Nikolski, Alaska · 656 days ago · 35 km deep · 97 km away
  19. 2.0102 km E of Nikolski, Alaska · 656 days ago · 5 km deep · 72 km away
  20. 2.093 km SSW of Unalaska, Alaska · 657 days ago · 36 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak024gbfx8e9 (also filed as av93420101). Read Thu, Oct 1, 2026, 6:44 AM UTC.