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M1.9 Earthquake near 36 km E of Skwentna, Alaska (United States)

UTC time: 2025-10-25 08:08:07 UTC Local time: —

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About this earthquake

A magnitude M1.9 earthquake was recorded near 36 km E of Skwentna, Alaska (United States) on October 25, 2025 at 08:08 UTC. The hypocenter lay relatively close to the surface at around 66 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 186 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
2975cd050f908821e90c1f7e2d977eeb32baccb2
Magnitude
M1.9
Depth
66.0 km
UTC time
2025-10-25 08:08:07 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.01460, -150.69440
Temperature
-0.1°C

Depth profile

Depth profile Depth: 66 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 66 km
Shallow
66 km
66 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

  • Hayes
    Distance: 99 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 114 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 202 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 255 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Iliamna
    Distance: 255 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 330 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Alaska

Context for this earthquake

22 Sep 2025 – 22 Sep 2026 · M ≥ 2.0 · 4,126 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · United States

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Country statistics · United States

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