Alaska earthquakes

M2.9 earthquake 181 km SSE of Atka, Alaska

A magnitude 2.9 earthquake struck 181 km SSE of Atka, Alaska on Sun, Jan 12, 2025, 11:16 AM HAST (21:16 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.2 91 km SE of Atka, 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
2025-01-12 21:16:26 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.801° N, 172.841° 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 · ±0.148 · 6 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 5.4 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
317°, poorly surrounded by stations
Stations used
10

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 3.4214 km SSE of Atka, Alaska · 626 days ago · 10 km deep · 35 km away
  2. 2.8163 km SSE of Atka, Alaska · 623 days ago · 10 km deep · 19 km away
  3. 2.789 km SE of Atka, Alaska · 622 days ago · 35 km deep · 98 km away
  4. 2.999 km SE of Atka, Alaska · 622 days ago · 35 km deep · 93 km away
  5. 3.1154 km SSE of Atka, Alaska · 613 days ago · 10 km deep · 34 km away
  6. 4.291 km SE of Atka, Alaska · 611 days ago · 25 km deep · 96 km away
  7. 3.799 km SSE of Atka, Alaska · 605 days ago · 35 km deep · 82 km away
  8. 3.0141 km S of Atka, Alaska · 600 days ago · 10 km deep · 90 km away
  9. 2.4127 km S of Atka, Alaska · 592 days ago · 5 km deep · 83 km away
  10. 3.0108 km SE of Atka, Alaska · 590 days ago · 35 km deep · 76 km away
  11. 2.9164 km S of Atka, Alaska · 589 days ago · 10 km deep · 83 km away
  12. 2.391 km SE of Atka, Alaska · 588 days ago · 40 km deep · 92 km away
  13. 2.3138 km SSE of Atka, Alaska · 587 days ago · 10 km deep · 43 km away
  14. 2.9185 km SSE of Atka, Alaska · 584 days ago · 10 km deep · 24 km away
  15. 2.4133 km S of Atka, Alaska · 584 days ago · 6 km deep · 77 km away
  16. 2.9105 km SE of Atka, Alaska · 583 days ago · 35 km deep · 89 km away
  17. 2.9191 km SSE of Atka, Alaska · 583 days ago · 10 km deep · 28 km away
  18. 2.893 km SSE of Atka, Alaska · 582 days ago · 35 km deep · 98 km away
  19. 2.4162 km SSE of Atka, Alaska · 582 days ago · 1 km deep · 27 km away
  20. 2.3128 km S of Atka, Alaska · 578 days ago · 1 km deep · 94 km away
  21. 3.884 km SE of Atka, Alaska · 577 days ago · 35 km deep · 98 km away
  22. 3.0152 km SSE of Atka, Alaska · 576 days ago · 10 km deep · 48 km away
  23. 3.1195 km S of Atka, Alaska · 570 days ago · 10 km deep · 87 km away
  24. 3.2129 km SSE of Atka, Alaska · 568 days ago · 35 km deep · 53 km away

Before

  1. 2.7136 km SSE of Atka, Alaska · 630 days ago · 10 km deep · 68 km away
  2. 3.289 km SE of Atka, Alaska · 634 days ago · 35 km deep · 97 km away
  3. 2.9159 km S of Atka, Alaska · 635 days ago · 10 km deep · 88 km away
  4. 3.9198 km SSE of Atka, Alaska · 637 days ago · 10 km deep · 25 km away
  5. 2.7145 km SE of Atka, Alaska · 649 days ago · 17 km deep · 65 km away
  6. 3.1180 km SSE of Atka, Alaska · 650 days ago · 10 km deep · 41 km away
  7. 2.9113 km SSE of Atka, Alaska · 652 days ago · 10 km deep · 74 km away
  8. 2.3141 km S of Atka, Alaska · 654 days ago · 7 km deep · 91 km away
  9. 3.3148 km S of Atka, Alaska · 657 days ago · 10 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000pcj1 (also filed as ak025k71r9o). Read Fri, Oct 2, 2026, 12:37 PM UTC.