Back to map
M1.6 Depth: 83.3 km

M1.6 Earthquake near 25 km WSW of Petersville, Alaska (United States)

UTC time: 2025-12-18 13:12:36 UTC Local time: —

About this earthquake

On December 18, 2025 at 13:12 UTC, a magnitude M1.6 earthquake occurred near 25 km WSW of Petersville, Alaska (United States). The earthquake originated at an intermediate depth of about 83 km. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 216 earthquakes, the strongest at M4.9.

Details

Magnitude
M1.6
Depth
83.3 km
UTC time
2025-12-18 13:12:36 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.38400, -151.20400
Temperature
-16.2°C

Map

Depth profile

Depth profile Depth: 83.3 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 83.3 km
Intermediate
83.3 km
83.3 km — deeper than the regional average (15.7 km)
Regional average: 15.7 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: 104 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 133 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: 232 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Iliamna
    Distance: 280 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 357 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