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United States · Alaska

M1.5 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-09-12 21:47:28 UTC Local time: —

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About this earthquake

On September 12, 2026 at 21:47 UTC, a magnitude M1.5 earthquake occurred near Unorganized Borough, Alaska (United States). With a focal depth of about 0 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 281 earthquakes, the strongest at M3.9.

Depth profile

Depth profile Depth: 0.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.4 km
Shallow
0.4 km
0.4 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: 161 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 429 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 464 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Wrangell
    Distance: 473 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Rampart AirportUnited States · RMP · PFMP
    19.6 kmStraight-line distance
  • Minto Al Wright AirportUnited States · MNT
    36.3 kmStraight-line distance
  • Manley Hot Springs AirportUnited States · MLY · PAML
    49.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-12

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

12 Sep 2025 – 12 Sep 2026 · M ≥ 2.0 · 4,102 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
View earthquake KPIs, strongest and latest events, and averages for this country.

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