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M3.1 Depth: 32.4 km

M3.1 Earthquake near SOUTHERN ALASKA (United States)

UTC time: 2025-12-17 08:22:36 UTC Local time: —

About this earthquake

On December 17, 2025 at 08:22 UTC, a magnitude M3.1 earthquake occurred near SOUTHERN ALASKA (United States). The hypocenter lay relatively close to the surface at around 32 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. United States: over the past 24 hours, QuakeMap24 logged 223 earthquakes, the strongest at M5.3.

Details

Magnitude
M3.1
Depth
32.4 km
UTC time
2025-12-17 08:22:36 UTC
Local time
—
Country
United States
City
Alaska
Source
emsc
Coordinates
61.09850, -147.31600
Temperature
-9.8°C

Map

Depth profile

Depth profile Depth: 32.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 32.4 km
Shallow
32.4 km
32.4 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

  • Wrangell
    Distance: 202 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Spurr
    Distance: 265 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 278 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Churchill
    Distance: 299 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Redoubt
    Distance: 302 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 334 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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