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United States · Alaska

M1.1 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-09-24 14:42:33 UTC Local time: —

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About this earthquake

On September 24, 2026 at 14:42 UTC, a magnitude M1.1 earthquake occurred near Unorganized Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 9 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: 221 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Depth profile

Depth profile Depth: 9.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.3 km
Shallow
9.3 km
9.3 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: 160 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Buzzard Creek
    Distance: 187 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Churchill
    Distance: 277 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Fort Selkirk
    Distance: 384 km ·Volcanic field ·Elevation: 1'239 m ·Canada
  • Hayes
    Distance: 428 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 441 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States

Alaska

Context for this earthquake

24 Sep 2025 – 24 Sep 2026 · M ≥ 2.0 · 4,141 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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View earthquake KPIs, strongest and latest events, and averages for this country.

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