Back to map
M1.6 Depth: 87.1 km

M1.6 Earthquake near 33 km WSW of Petersville, Alaska (United States)

UTC time: 2025-12-01 20:36:14 UTC Local time: —

About this earthquake

On December 1, 2025 at 20:36 UTC, a magnitude M1.6 earthquake occurred near 33 km WSW of Petersville, Alaska (United States). The earthquake originated at an intermediate depth of about 87 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: 176 earthquakes were recorded in the past 24 hours, the strongest reaching M3.1.

Details

Magnitude
M1.6
Depth
87.1 km
UTC time
2025-12-01 20:36:14 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.40542, -151.37477
Temperature
-1.0°C

Map

Depth profile

Depth profile Depth: 87.1 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 87.1 km
Intermediate
87.1 km
87.1 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: 101 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 131 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 226 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 236 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Iliamna
    Distance: 279 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 356 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·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.

Share