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M1.3 Depth: 11.7 km

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

UTC time: 2026-09-04 10:37:21 UTC Local time: —

About this earthquake

On September 4, 2026 at 10:37 UTC, a magnitude M1.3 earthquake occurred near Unorganized Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 12 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 200 earthquakes, the strongest at M5.3.

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Depth profile

Depth profile Depth: 11.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11.7 km
Shallow
11.7 km
11.7 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

  • Wrangell
    Distance: 158 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Buzzard Creek
    Distance: 184 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Churchill
    Distance: 277 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Fort Selkirk
    Distance: 389 km ·Volcanic field ·Elevation: 1'239 m ·Canada
  • Hayes
    Distance: 421 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 434 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States

Historic earthquake map · United States

Open history map
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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