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United States · Alaska

M0.8 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-09-11 05:04:27 UTC Local time: —

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About this earthquake

On September 11, 2026 at 05:04 UTC, a magnitude M0.8 earthquake occurred near Unorganized Borough, Alaska (United States). With a focal depth of about 11 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 230 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Depth profile

Depth profile Depth: 10.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.6 km
Shallow
10.6 km
10.6 km — shallower 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

  • Wrangell
    Distance: 158 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Buzzard Creek
    Distance: 178 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Churchill
    Distance: 280 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Fort Selkirk
    Distance: 398 km ·Volcanic field ·Elevation: 1'239 m ·Canada
  • Hayes
    Distance: 412 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 425 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States

Alaska

Context for this earthquake

11 Sep 2025 – 11 Sep 2026 · M ≥ 2.0 · 4,099 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

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

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