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United States · Alaska

M2.1 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-09-19 15:27:36 UTC Local time: —

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About this earthquake

A magnitude M2.1 earthquake was recorded near Unorganized Borough, Alaska (United States) on September 19, 2026 at 15:27 UTC. With a focal depth of about 14 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. 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 221 earthquakes, the strongest at M3.4.

Depth profile

Depth profile Depth: 14 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 14 km
Shallow
14 km
14 km — close to 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

  • Spurr
    Distance: 257 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 265 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Wrangell
    Distance: 277 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Hayes
    Distance: 281 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Iliamna
    Distance: 288 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 328 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Chenega Bay AirportUnited States · NCN · PFCB
    32.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-19

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

19 Sep 2025 – 19 Sep 2026 · M ≥ 2.0 · 4,108 Catalogue entries

Of 4,107 other entries for this area and period, 2,884 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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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