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M1.3 Depth: 3.2 km

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

UTC time: 2026-08-31 23:34:11 UTC Local time: —

About this earthquake

A magnitude M1.3 earthquake was recorded near Unorganized Borough, Alaska (United States) on August 31, 2026 at 23:34 UTC. With a focal depth of about 3 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 156 earthquakes, the strongest at M3.3.

Map

Depth profile

Depth profile Depth: 3.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 3.2 km
Shallow
3.2 km
3.2 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

  • Buzzard Creek
    Distance: 107 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 411 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Hayes
    Distance: 414 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 446 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States

Historic earthquake map · United States

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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