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M1.8 Depth: 122.8 km

M1.8 Earthquake near 57 km N of Petersville, Alaska (United States)

UTC time: 2025-12-01 22:03:15 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 57 km N of Petersville, Alaska (United States) on December 1, 2025 at 22:03 UTC. The earthquake originated at an intermediate depth of about 123 km. 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: over the past 24 hours, QuakeMap24 logged 176 earthquakes, the strongest at M3.1.

Details

Magnitude
M1.8
Depth
122.8 km
UTC time
2025-12-01 22:03:15 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
63.01011, -150.83556
Temperature
-5.4°C

Map

Depth profile

Depth profile Depth: 122.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 122.8 km
Intermediate
122.8 km
122.8 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

  • Buzzard Creek
    Distance: 167 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 173 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 204 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 298 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 352 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Wrangell
    Distance: 367 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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