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United States · Alaska

M1.2 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-09-30 15:30:44 UTC Local time: —

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About this earthquake

A magnitude M1.2 earthquake was recorded near Unorganized Borough, Alaska (United States) on September 30, 2026 at 15:30 UTC. The hypocenter lay relatively close to the surface at around 5 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 166 earthquakes were recorded in the past 24 hours, the strongest reaching M4.3.

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 (15.2 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: 233 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 385 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Fort Selkirk
    Distance: 454 km ·Volcanic field ·Elevation: 1'239 m ·Canada
  • Churchill
    Distance: 477 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

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

Source: OurAirports · Dataset date: 2026-09-30

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

30 Sep 2025 – 30 Sep 2026 · M ≥ 2.0 · 4,149 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

Country overview
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