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United States · Alaska

M1.6 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-07-23 07:22:01 UTC Local time: —

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About this earthquake

A magnitude M1.6 earthquake was recorded near Unorganized Borough, Alaska (United States) on July 23, 2026 at 07:22 UTC. With a focal depth of about 5 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: 155 earthquakes were recorded in the past 24 hours, the strongest reaching M3.2.

Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 km
5 km — shallower 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

  • Churchill
    Distance: 28 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Wrangell
    Distance: 167 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Fort Selkirk
    Distance: 276 km ·Volcanic field ·Elevation: 1'239 m ·Canada
  • Alligator Lake
    Distance: 331 km ·Volcanic field ·Elevation: 2'217 m ·Canada
  • Atlin Volcanic Field
    Distance: 467 km ·Pyroclastic cone(s) ·Elevation: 1'880 m ·Canada
  • Buzzard Creek
    Distance: 480 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States

Alaska

Context for this earthquake

07 Sep 2025 – 07 Sep 2026 · M ≥ 2.0 · 4,083 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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