Alaska earthquakes

M3.1 earthquake 185 km S of Atka, Alaska

A magnitude 3.1 earthquake struck 185 km S of Atka, Alaska on Sat, Dec 7, 2024, 6:37 PM HAST (04:37 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.9 198 km SSE 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
3.1 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-12-08 04:37:38 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.529° N, 174.127° 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
3.1ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 stations
2.7ML, 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 6.1 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
285°, poorly surrounded by stations
Stations used
12

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 3.3148 km S of Atka, Alaska · 657 days ago · 10 km deep · 38 km away
  2. 3.4201 km SSW of Atka, Alaska · 656 days ago · 10 km deep · 47 km away
  3. 2.3141 km S of Atka, Alaska · 654 days ago · 7 km deep · 44 km away
  4. 2.9113 km SSE of Atka, Alaska · 652 days ago · 10 km deep · 87 km away
  5. 3.1180 km SSE of Atka, Alaska · 650 days ago · 10 km deep · 55 km away
  6. 2.8151 km SE of Adak, Alaska · 647 days ago · 4 km deep · 80 km away
  7. 3.9198 km SSE of Atka, Alaska · 636 days ago · 10 km deep · 83 km away
  8. 2.9159 km S of Atka, Alaska · 634 days ago · 10 km deep · 27 km away
  9. 2.7136 km SSE of Atka, Alaska · 630 days ago · 10 km deep · 59 km away
  10. 2.9181 km SSE of Atka, Alaska · 627 days ago · 10 km deep · 96 km away
  11. 3.4214 km SSE of Atka, Alaska · 626 days ago · 10 km deep · 99 km away
  12. 2.8163 km SSE of Atka, Alaska · 622 days ago · 10 km deep · 87 km away
  13. 2.5106 km S of Atka, Alaska · 617 days ago · 11 km deep · 79 km away
  14. 2.9139 km S of Atka, Alaska · 615 days ago · 10 km deep · 55 km away
  15. 3.1178 km S of Atka, Alaska · 615 days ago · 10 km deep · 17 km away
  16. 3.0186 km S of Atka, Alaska · 613 days ago · 10 km deep · 33 km away
  17. 3.1154 km SSE of Atka, Alaska · 613 days ago · 10 km deep · 76 km away
  18. 3.2205 km S of Atka, Alaska · 610 days ago · 10 km deep · 20 km away
  19. 3.3196 km S of Atka, Alaska · 605 days ago · 38 km deep · 43 km away

Before

  1. 3.1160 km SSE of Atka, Alaska · 668 days ago · 10 km deep · 82 km away
  2. 2.7177 km SSE of Adak, Alaska · 668 days ago · 10 km deep · 97 km away
  3. 2.9181 km S of Atka, Alaska · 677 days ago · 10 km deep · 10 km away
  4. 3.4196 km S of Atka, Alaska · 678 days ago · 10 km deep · 38 km away
  5. 3.190 km S of Atka, Alaska · 680 days ago · 35 km deep · 98 km away
  6. 2.7118 km S of Atka, Alaska · 686 days ago · 10 km deep · 69 km away
  7. 2.7120 km SSE of Atka, Alaska · 686 days ago · 10 km deep · 90 km away
  8. 2.8162 km S of Atka, Alaska · 687 days ago · 10 km deep · 23 km away
  9. 2.2163 km SSE of Adak, Alaska · 688 days ago · 15 km deep · 92 km away
  10. 2.9235 km SSE of Atka, Alaska · 689 days ago · 11 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000pj1c (also filed as ak024frbxsid). Read Fri, Oct 2, 2026, 3:39 AM UTC.