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United States

M3.2 Earthquake near 42 km ESE of Fox River, Alaska (United States)

UTC time: 2025-10-31 18:26:02 UTC Local time: —

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About this earthquake

On October 31, 2025 at 18:26 UTC, a magnitude M3.2 earthquake occurred near 42 km ESE of Fox River, Alaska (United States). With a focal depth of about 21 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 192 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
f97b11f5ee5c5b869c52322462f158e538a12d65
Magnitude
M3.2
Depth
21.2 km
UTC time
2025-10-31 18:26:02 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
59.65510, -150.32060
Temperature
8.6°C

Depth profile

Depth profile Depth: 21.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 21.2 km
Shallow
21.2 km
21.2 km — deeper than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Iliamna
    Distance: 160 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 163 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Augustine
    Distance: 179 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 204 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Spurr
    Distance: 211 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Fourpeaked
    Distance: 215 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States

Alaska

Context for this earthquake

22 Sep 2025 – 22 Sep 2026 · M ≥ 3.0 · 656 Catalogue entries

Of 655 other entries for this area and period, 417 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · United States

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Country statistics · United States

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