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M2.1 Depth: 108.5 km

M2.1 Earthquake near 43 km NW of Petersville, Alaska (United States)

UTC time: 2025-12-12 10:13:37 UTC Local time: —

About this earthquake

A magnitude M2.1 earthquake was recorded near 43 km NW of Petersville, Alaska (United States) on December 12, 2025 at 10:13 UTC. At around 109 km, the focal depth places this among intermediate-depth events. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 193 earthquakes were recorded in the past 24 hours, the strongest reaching M3.3.

Details

Magnitude
M2.1
Depth
108.5 km
UTC time
2025-12-12 10:13:37 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.80300, -151.28500
Temperature
-9.4°C

Map

Depth profile

Depth profile Depth: 108.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 108.5 km
Intermediate
108.5 km
108.5 km — deeper than the regional average (15.6 km)
Regional average: 15.6 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Hayes
    Distance: 142 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 175 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Buzzard Creek
    Distance: 199 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Redoubt
    Distance: 269 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 323 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Wrangell
    Distance: 384 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·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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