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M6.7 Depth: 8.6 km

M6.7 Earthquake near Southeastern Alaska, United States [Land: United States] (United States)

UTC time: 2025-12-06 20:41:53 UTC Local time: —

About this earthquake

On December 6, 2025 at 20:41 UTC, a magnitude M6.7 earthquake occurred near Southeastern Alaska, United States [Land: United States] (United States). The hypocenter lay relatively close to the surface at around 9 km, increasing how strongly it was felt. Earthquakes of this magnitude can cause significant damage in populated areas.

The event was recorded by INGV. United States: 199 earthquakes were recorded in the past 24 hours, the strongest reaching M5.8.

Details

Magnitude
M6.7
Depth
8.6 km
UTC time
2025-12-06 20:41:53 UTC
Local time
—
Country
United States
City
Alaska
Source
ingv
Coordinates
60.29300, -139.56400
Temperature
-16.8°C

Map

Depth profile

Depth profile Depth: 8.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.6 km
Shallow
8.6 km
8.6 km — shallower than the regional average (15.9 km)
Regional average: 15.9 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Whitehorse251.3 kmE28'201
Anchorage570.2 kmW289'600

GeoNames · CC BY 4.0

Volcanoes nearby

  • Churchill
    Distance: 169 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Alligator Lake
    Distance: 228 km ·Volcanic field ·Elevation: 2'217 m ·Canada
  • Wrangell
    Distance: 305 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Fort Selkirk
    Distance: 315 km ·Volcanic field ·Elevation: 1'239 m ·Canada
  • Atlin Volcanic Field
    Distance: 351 km ·Pyroclastic cone(s) ·Elevation: 1'880 m ·Canada
  • Edgecumbe
    Distance: 423 km ·Volcanic field ·Elevation: 970 m ·Last eruption: -2080 ·United States

Subsequent earthquakes nearby

Events recorded after this earthquake within 250 km. They are not automatically classified as aftershocks.

First 6 hours104
First 24 hours249
First 72 hours350
Strongest subsequent eventM6.2
M5.62025-12-06 20:46:12 UTC1.9 kmYakutat M5.02025-12-06 20:46:13 UTC9.7 km73 km N of Yakutat, Alaska M4.72025-12-06 20:49:22 UTC13.1 km96 km N of Yakutat, Alaska M5.22025-12-06 20:51:50 UTC11.7 kmSOUTHERN YUKON TERRITORY, CANADA M5.12025-12-06 20:51:53 UTC11.7 km88 km NNE of Yakutat, Alaska M4.72025-12-06 20:54:37 UTC18.0 km101 km N of Yakutat, Alaska M4.52025-12-06 20:54:39 UTC2.4 kmSOUTHERN YUKON TERRITORY, CANADA M4.72025-12-06 20:56:04 UTC10.8 km93 km N of Yakutat, Alaska M4.42025-12-06 20:56:05 UTC4.0 km83 km N of Yakutat, Alaska M4.32025-12-06 20:57:38 UTC29.5 km108 km N of Yakutat, Alaska M4.32025-12-06 21:00:12 UTC34.0 km113 km N of Yakutat, Alaska M4.32025-12-06 21:01:31 UTC14.3 km94 km NNE of Yakutat, Alaska

Comparison of seismic sources

3 sources currently report magnitudes from M6.7 to M7.2.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
USPM6.710.0 km26.4 km
INGVM6.78.6 km0.0 km
NNSNM7.217.0 km11.9 km

Historical context nearby

Comparison with recorded earthquakes before this event within 250 km.

Magnitude rank#7
Earlier events M≥412
Earlier events M≥57
Compared since2025-07-24

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M7.22025-12-06 20:41:50 UTC14.9 kmSoutheastern Alaska M7.02025-12-06 20:41:47 UTC8.9 km119 km WSW of Haines Junction, YT/119 km OSO de Haines Junction, YT M7.02025-12-06 20:41:49 UTC7.4 km2025 Hubbard Glacier Earthquake M6.92025-12-06 20:41:50 UTC6.6 kmSoutheastern Alaska M6.82025-12-06 20:41:48 UTC17.8 kmYukon

Historic earthquake map · United States

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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