Alaska earthquakes

M2.9 earthquake 166 km SSE of Adak, Alaska

A magnitude 2.9 earthquake struck 166 km SSE of Adak, Alaska on Wed, Dec 11, 2024, 2:38 AM HAST (12:38 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.0 114 km SSW 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-12-11 12:38:12 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.434° N, 175.979° 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
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.097 · 14 stations
2.8ML, local (Richter)Alaska Earthquake CenterPreliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.7 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
257°, poorly surrounded by stations
Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: 35 in the 60 days after this one and 92 in the 30 days before it.

After

  1. 2.4114 km SSW of Adak, Alaska · 659 days ago · 10 km deep · 99 km away
  2. 5.0114 km SSW of Adak, Alaska · 658 days ago · 10 km deep · 86 km away
  3. 2.4123 km SSW of Adak, Alaska · 658 days ago · 29 km deep · 93 km away
  4. 2.9109 km SSW of Adak, Alaska · 658 days ago · 10 km deep · 96 km away
  5. 2.6103 km SSW of Adak, Alaska · 657 days ago · 10 km deep · 90 km away
  6. 3.4201 km SSW of Atka, Alaska · 656 days ago · 10 km deep · 85 km away
  7. 2.4125 km S of Adak, Alaska · 654 days ago · 3 km deep · 75 km away
  8. 2.073 km S of Adak, Alaska · 654 days ago · 22 km deep · 94 km away
  9. 3.3108 km S of Adak, Alaska · 653 days ago · 10 km deep · 75 km away
  10. 2.4116 km SSW of Adak, Alaska · 653 days ago · 25 km deep · 94 km away
  11. 2.1112 km SSW of Adak, Alaska · 651 days ago · 18 km deep · 98 km away
  12. 2.0111 km SSW of Adak, Alaska · 651 days ago · 11 km deep · 90 km away
  13. 2.087 km SSE of Adak, Alaska · 651 days ago · 24 km deep · 79 km away
  14. 2.8151 km SE of Adak, Alaska · 648 days ago · 4 km deep · 81 km away
  15. 1.867 km S of Adak, Alaska · 642 days ago · 11 km deep · 100 km away
  16. 2.6123 km SSW of Adak, Alaska · 635 days ago · 10 km deep · 96 km away
  17. 2.3109 km SSW of Adak, Alaska · 635 days ago · 15 km deep · 98 km away
  18. 2.3117 km SSW of Adak, Alaska · 634 days ago · 18 km deep · 91 km away
  19. 2.679 km SE of Adak, Alaska · 631 days ago · 35 km deep · 96 km away
  20. 2.7191 km S of Adak, Alaska · 629 days ago · 10 km deep · 56 km away
  21. 2.390 km SSE of Adak, Alaska · 628 days ago · 14 km deep · 77 km away
  22. 2.4147 km S of Adak, Alaska · 628 days ago · 6 km deep · 65 km away
  23. 3.4129 km SSW of Adak, Alaska · 627 days ago · 10 km deep · 93 km away
  24. 2.0102 km SSW of Adak, Alaska · 623 days ago · 20 km deep · 96 km away
  25. 2.8108 km SSW of Adak, Alaska · 623 days ago · 10 km deep · 99 km away
  26. 2.8112 km SSW of Adak, Alaska · 622 days ago · 24 km deep · 91 km away
  27. 2.075 km SSE of Adak, Alaska · 622 days ago · 21 km deep · 96 km away
  28. 3.684 km S of Adak, Alaska · 618 days ago · 35 km deep · 84 km away
  29. 3.1116 km S of Adak, Alaska · 615 days ago · 10 km deep · 70 km away
  30. 3.0186 km S of Atka, Alaska · 614 days ago · 10 km deep · 98 km away
  31. 2.5169 km SSE of Adak, Alaska · 613 days ago · 10 km deep · 7 km away
  32. 2.779 km S of Adak, Alaska · 611 days ago · 35 km deep · 88 km away
  33. 2.7115 km SSW of Adak, Alaska · 610 days ago · 10 km deep · 90 km away
  34. 3.3196 km S of Atka, Alaska · 606 days ago · 38 km deep · 89 km away
  35. 2.1112 km SSW of Adak, Alaska · 604 days ago · 23 km deep · 95 km away

Before

  1. 2.2108 km SSW of Adak, Alaska · 661 days ago · 13 km deep · 95 km away
  2. 1.980 km SE of Adak, Alaska · 661 days ago · 19 km deep · 95 km away
  3. 2.2106 km SSW of Adak, Alaska · 661 days ago · 25 km deep · 95 km away
  4. 2.2115 km SSW of Adak, Alaska · 661 days ago · 15 km deep · 94 km away
  5. 3.4113 km SSW of Adak, Alaska · 661 days ago · 24 km deep · 89 km away
  6. 3.3159 km SSW of Adak, Alaska · 661 days ago · 10 km deep · 99 km away
  7. 4.0117 km SSW of Adak, Alaska · 661 days ago · 10 km deep · 95 km away
  8. 3.0114 km SSW of Adak, Alaska · 661 days ago · 10 km deep · 93 km away
  9. 2.8119 km SSW of Adak, Alaska · 661 days ago · 10 km deep · 86 km away
  10. 2.2101 km SSW of Adak, Alaska · 662 days ago · 0 km deep · 92 km away
  11. 2.6105 km SSW of Adak, Alaska · 662 days ago · 10 km deep · 93 km away
  12. 2.2133 km SSW of Adak, Alaska · 662 days ago · 12 km deep · 100 km away
  13. 2.0110 km SSW of Adak, Alaska · 662 days ago · 15 km deep · 97 km away
  14. 2.4110 km SSW of Adak, Alaska · 662 days ago · 26 km deep · 90 km away
  15. 2.1101 km SSW of Adak, Alaska · 662 days ago · 13 km deep · 98 km away
  16. 2.1104 km SSW of Adak, Alaska · 662 days ago · 14 km deep · 98 km away
  17. 2.7111 km SSW of Adak, Alaska · 662 days ago · 10 km deep · 88 km away
  18. 3.0122 km SSW of Adak, Alaska · 662 days ago · 7 km deep · 89 km away
  19. 2.2114 km SSW of Adak, Alaska · 662 days ago · 15 km deep · 98 km away
  20. 3.3118 km SSW of Adak, Alaska · 662 days ago · 10 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000pizu (also filed as ak024fwfbgi7). Read Fri, Oct 2, 2026, 6:24 PM UTC.