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United States · Alaska

M1.3 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-09-06 15:41:51 UTC Local time: —

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About this earthquake

A magnitude M1.3 earthquake was recorded near Unorganized Borough, Alaska (United States) on September 6, 2026 at 15:41 UTC. With a focal depth of about 47 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 148 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Depth profile

Depth profile Depth: 46.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 46.9 km
Shallow
46.9 km
46.9 km — deeper than the regional average (15.3 km)
Regional average: 15.3 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: 140 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Churchill
    Distance: 254 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Buzzard Creek
    Distance: 293 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Spurr
    Distance: 306 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 312 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 356 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States

Alaska

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 2.0 · 4,079 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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