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United States · Alaska

M3.5 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-09-13 10:02:57 UTC Local time: —

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About this earthquake

On September 13, 2026 at 10:02 UTC, a magnitude M3.5 earthquake occurred near Unorganized Borough, Alaska (United States). With a focal depth of about 3 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by USGS. United States: 198 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Depth profile

Depth profile Depth: 2.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 2.7 km
Shallow
2.7 km
2.7 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: 231 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 424 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Central AirportUnited States · CEM · PACE
    43.2 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-13

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Alaska

Context for this earthquake

13 Sep 2025 – 13 Sep 2026 · M ≥ 3.0 · 656 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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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
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