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M2.5 Depth: 57.6 km

M2.5 Earthquake near 28 km N of Susitna, Alaska (United States)

UTC time: 2025-12-08 21:57:43 UTC Local time: —

About this earthquake

On December 8, 2025 at 21:57 UTC, a magnitude M2.5 earthquake occurred near 28 km N of Susitna, 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 small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 199 earthquakes were recorded in the past 24 hours, the strongest reaching M4.7.

Details

Magnitude
M2.5
Depth
57.6 km
UTC time
2025-12-08 21:57:43 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.79700, -150.59700
Temperature
-6.9°C

Map

Depth profile

Depth profile Depth: 57.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 57.6 km
Shallow
57.6 km
57.6 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

  • Hayes
    Distance: 97 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 104 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 186 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 238 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 275 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Augustine
    Distance: 312 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·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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