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United States · Alaska

M1.5 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-09-15 06:14:58 UTC Local time: —

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About this earthquake

A magnitude M1.5 earthquake was recorded near Unorganized Borough, Alaska (United States) on September 15, 2026 at 06:14 UTC. The hypocenter lay relatively close to the surface at around 0 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 172 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Depth profile

Depth profile Depth: 0.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.4 km
Shallow
0.4 km
0.4 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

  • Churchill
    Distance: 151 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Wrangell
    Distance: 186 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Fort Selkirk
    Distance: 434 km ·Volcanic field ·Elevation: 1'239 m ·Canada
  • Alligator Lake
    Distance: 447 km ·Volcanic field ·Elevation: 2'217 m ·Canada
  • Spurr
    Distance: 482 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Buzzard Creek
    Distance: 483 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States

Alaska

Context for this earthquake

15 Sep 2025 – 15 Sep 2026 · M ≥ 2.0 · 4,094 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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