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M1.0 Depth: 23.7 km

M1.0 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-07-25 17:48:51 UTC Local time: —

About this earthquake

A magnitude M1.0 earthquake was recorded near Unorganized Borough, Alaska (United States) on July 25, 2026 at 17:48 UTC. The hypocenter lay relatively close to the surface at around 24 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 182 earthquakes were recorded in the past 24 hours, the strongest reaching M3.1.

Map

Depth profile

Depth profile Depth: 23.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 23.7 km
Shallow
23.7 km
23.7 km — deeper than the regional average (15.6 km)
Regional average: 15.6 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

  • Spurr
    Distance: 261 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Wrangell
    Distance: 271 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 271 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Hayes
    Distance: 284 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Iliamna
    Distance: 295 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 334 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Historic earthquake map · United States

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Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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