Alaska earthquakes

M3.0 earthquake 185 km ESE of Atka, Alaska

A magnitude 3.0 earthquake struck 185 km ESE of Atka, Alaska on Sat, May 24, 2025, 8:53 AM HADT (17:53 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.4 178 km ESE 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
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-05-24 17:53:18 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.845° N, 171.562° 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
3.0ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.081 · 20 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 7.7 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.08
Depth from
Operator assigned
Station coverage gap
217°, poorly surrounded by stations
Stations used
20

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 3.1139 km E of Atka, Alaska · 494 days ago · 106 km deep · 61 km away
  2. 2.8119 km ESE of Atka, Alaska · 494 days ago · 35 km deep · 81 km away
  3. 2.7168 km SW of Nikolski, Alaska · 484 days ago · 35 km deep · 53 km away
  4. 2.2117 km ESE of Atka, Alaska · 483 days ago · 26 km deep · 71 km away
  5. 2.0107 km ESE of Atka, Alaska · 483 days ago · 12 km deep · 80 km away
  6. 2.1111 km ESE of Atka, Alaska · 483 days ago · 13 km deep · 78 km away
  7. 3.8194 km E of Atka, Alaska · 483 days ago · 35 km deep · 23 km away
  8. 4.4178 km ESE of Atka, Alaska · 482 days ago · 30 km deep · 25 km away
  9. 2.997 km E of Atka, Alaska · 473 days ago · 70 km deep · 91 km away
  10. 3.1139 km WSW of Nikolski, Alaska · 471 days ago · 61 km deep · 81 km away
  11. 3.2150 km ESE of Atka, Alaska · 464 days ago · 26 km deep · 35 km away
  12. 2.9145 km ESE of Atka, Alaska · 464 days ago · 35 km deep · 40 km away
  13. 3.4193 km WSW of Nikolski, Alaska · 464 days ago · 70 km deep · 33 km away
  14. 2.8216 km SW of Nikolski, Alaska · 457 days ago · 24 km deep · 52 km away
  15. 2.8121 km E of Atka, Alaska · 457 days ago · 10 km deep · 87 km away
  16. 2.9109 km E of Atka, Alaska · 456 days ago · 10 km deep · 76 km away
  17. 3.3175 km WSW of Nikolski, Alaska · 456 days ago · 35 km deep · 45 km away
  18. 3.2192 km SW of Nikolski, Alaska · 455 days ago · 35 km deep · 29 km away
  19. 2.9121 km E of Atka, Alaska · 453 days ago · 35 km deep · 65 km away
  20. 2.7171 km E of Atka, Alaska · 450 days ago · 80 km deep · 65 km away
  21. 3.8130 km SW of Nikolski, Alaska · 449 days ago · 35 km deep · 91 km away
  22. 2.8130 km SW of Nikolski, Alaska · 449 days ago · 35 km deep · 91 km away
  23. 2.792 km E of Atka, Alaska · 448 days ago · 78 km deep · 94 km away
  24. 2.5133 km SW of Nikolski, Alaska · 444 days ago · 35 km deep · 87 km away
  25. 3.3172 km E of Atka, Alaska · 440 days ago · 125 km deep · 68 km away
  26. 2.8144 km SW of Nikolski, Alaska · 438 days ago · 35 km deep · 76 km away

Before

  1. 3.8185 km SW of Nikolski, Alaska · 504 days ago · 35 km deep · 35 km away
  2. 3.1187 km WSW of Nikolski, Alaska · 511 days ago · 66 km deep · 53 km away
  3. 3.0193 km ESE of Atka, Alaska · 511 days ago · 35 km deep · 8 km away
  4. 2.7186 km E of Atka, Alaska · 511 days ago · 35 km deep · 10 km away
  5. 3.1174 km ESE of Atka, Alaska · 518 days ago · 35 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000qgrc (also filed as ak0256mftqmq). Read Fri, Oct 2, 2026, 1:55 PM UTC.