Back to map
M3.1 Depth: 50.3 km

M3.1 Earthquake near 5 km NNW of Big Lake, Alaska (United States)

UTC time: 2025-12-10 09:11:52 UTC Local time: —

About this earthquake

On December 10, 2025 at 09:11 UTC, a magnitude M3.1 earthquake occurred near 5 km NNW of Big Lake, Alaska (United States). With a focal depth of about 50 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 197 earthquakes, the strongest at M3.2.

Details

Magnitude
M3.1
Depth
50.3 km
UTC time
2025-12-10 09:11:52 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.56500, -149.99500
Temperature
-18.5°C

Map

Depth profile

Depth profile Depth: 50.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 50.3 km
Shallow
50.3 km
50.3 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: 124 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 128 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: 289 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Augustine
    Distance: 309 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.

Share