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United States · Alaska

M1.1 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-09-30 22:27:18 UTC Local time: —

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About this earthquake

A magnitude M1.1 earthquake was recorded near Unorganized Borough, Alaska (United States) on September 30, 2026 at 22:27 UTC. The hypocenter lay relatively close to the surface at around 24 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: 184 earthquakes were recorded in the past 24 hours, the strongest reaching M4.2.

Depth profile

Depth profile Depth: 23.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 23.5 km
Shallow
23.5 km
23.5 km — deeper 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

  • Wrangell
    Distance: 196 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Spurr
    Distance: 269 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 281 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Churchill
    Distance: 295 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Redoubt
    Distance: 307 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 332 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Tatitlek AirportUnited States · TEK · PAKA
    41.1 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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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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