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M1.6 Depth: 143.3 km

M1.6 Earthquake near 83 km W of Petersville, Alaska (United States)

UTC time: 2025-10-07 04:41:00 UTC Local time: —

About this earthquake

On October 7, 2025 at 04:41 UTC, a magnitude M1.6 earthquake occurred near 83 km W of Petersville, Alaska (United States). The earthquake originated at an intermediate depth of about 143 km. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 179 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Details

Magnitude
M1.6
Depth
143.3 km
UTC time
2025-10-07 04:41:00 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.63240, -152.35450
Temperature
0.8°C

Map

Depth profile

Depth profile Depth: 143.3 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 143.3 km
Intermediate
143.3 km
143.3 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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: 110 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 148 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 240 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 252 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Iliamna
    Distance: 292 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 368 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.

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