Back to map
M2.1 Depth: 61.3 km

M2.1 Earthquake near 24 km SSW of Susitna, Alaska (United States)

UTC time: 2025-12-01 08:21:29 UTC Local time: —

About this earthquake

On December 1, 2025 at 08:21 UTC, a magnitude M2.1 earthquake occurred near 24 km SSW of Susitna, Alaska (United States). With a focal depth of about 61 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 194 earthquakes were recorded in the past 24 hours, the strongest reaching M3.1.

Details

Magnitude
M2.1
Depth
61.3 km
UTC time
2025-12-01 08:21:29 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.33780, -150.66656
Temperature
0.9°C

Map

Depth profile

Depth profile Depth: 61.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 61.3 km
Shallow
61.3 km
61.3 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: 85 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 98 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 147 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 196 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 267 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 319 km ·Stratovolcano ·Elevation: 2'140 m ·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