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M2.3 Depth: 32.9 km

M2.3 Earthquake near 20 km SSE of Susitna, Alaska (United States)

UTC time: 2025-12-27 14:28:20 UTC Local time: —

About this earthquake

On December 27, 2025 at 14:28 UTC, a magnitude M2.3 earthquake occurred near 20 km SSE of Susitna, Alaska (United States). With a focal depth of about 33 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 175 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Details

Magnitude
M2.3
Depth
32.9 km
UTC time
2025-12-27 14:28:20 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.36600, -150.42300
Temperature
-9.1°C

Map

Depth profile

Depth profile Depth: 32.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 32.9 km
Shallow
32.9 km
32.9 km — deeper than the regional average (15.7 km)
Regional average: 15.7 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: 98 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 110 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 159 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 207 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 278 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Buzzard Creek
    Distance: 316 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·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.

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