M3.1 Depth: 58.2 km

M3.1 Earthquake near SOUTHERN ALASKA (United States)

UTC time: 2025-12-10 09:11:49 UTC Local time: —

About this earthquake

On December 10, 2025 at 09:11 UTC, a magnitude M3.1 earthquake occurred near SOUTHERN ALASKA (United States). With a focal depth of about 58 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. United States: 197 earthquakes were recorded in the past 24 hours, the strongest reaching M3.2.

Details

Magnitude

M3.1

Depth

58.2 km

UTC time

2025-12-10 09:11:49 UTC

Local time

—

Country

United States

City

Alaska

Source

emsc

Coordinates

61.58020, -150.01890

Temperature

-18.5°C

Map

Depth profile

Shallow

58.2 km

58.2 km — deeper than the regional average (15.6 km)

Regional average: 15.6 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

Volcanoes nearby

Spurr

Distance: 123 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
Hayes

Distance: 127 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
Redoubt

Distance: 191 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
Iliamna

Distance: 239 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
Buzzard Creek

Distance: 287 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
Augustine

Distance: 310 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Historic earthquake map · United States

Open history map

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.

Stats (last 24h)

Global (24h)

710

Country (24h)