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M3.1 Depth: 55.1 km

M3.1 Earthquake near 16 km SE of Clam Gulch, Alaska (United States)

UTC time: 2025-11-29 13:56:10 UTC Local time: —

About this earthquake

On November 29, 2025 at 13:56 UTC, a magnitude M3.1 earthquake occurred near 16 km SE of Clam Gulch, Alaska (United States). With a focal depth of about 55 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: 189 earthquakes were recorded in the past 24 hours, the strongest reaching M3.1.

Details

Magnitude
M3.1
Depth
55.1 km
UTC time
2025-11-29 13:56:10 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
60.12265, -151.18837
Temperature
-4.9°C

Map

Depth profile

Depth profile Depth: 55.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 55.1 km
Shallow
55.1 km
55.1 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

  • Redoubt
    Distance: 95 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 106 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Spurr
    Distance: 143 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Augustine
    Distance: 152 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Hayes
    Distance: 181 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Douglas
    Distance: 194 km ·Stratovolcano ·Elevation: 2'140 m ·United States

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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