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United States · Alaska

M0.9 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-09-11 14:34:57 UTC Local time: —

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About this earthquake

A magnitude M0.9 earthquake was recorded near Unorganized Borough, Alaska (United States) on September 11, 2026 at 14:34 UTC. The hypocenter lay relatively close to the surface at around 27 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: over the past 24 hours, QuakeMap24 logged 234 earthquakes, the strongest at M5.4.

Depth profile

Depth profile Depth: 26.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 26.5 km
Shallow
26.5 km
26.5 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

  • Buzzard Creek
    Distance: 153 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 437 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Hayes
    Distance: 467 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 499 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 · 4,102 Catalogue entries

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

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Historic earthquake map · United States

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Country statistics · United States

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