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United States · Alaska

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

UTC time: 2026-10-03 18:23:25 UTC Local time: —

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About this earthquake

A magnitude M2.1 earthquake was recorded near Unorganized Borough, Alaska (United States) on October 3, 2026 at 18:23 UTC. The hypocenter lay relatively close to the surface at around 23 km, increasing how strongly it was felt. 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 151 earthquakes, the strongest at M4.1.

Depth profile

Depth profile Depth: 22.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 22.5 km
Shallow
22.5 km
22.5 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: 155 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Churchill
    Distance: 263 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Spurr
    Distance: 297 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 304 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Buzzard Creek
    Distance: 306 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Redoubt
    Distance: 343 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Valdez Pioneer FieldUnited States · VDZ · PAVD
    40.2 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-03

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

03 Oct 2025 – 03 Oct 2026 · M ≥ 2.0 · 4,143 Catalogue entries

Of 4,142 other entries for this area and period, 2,895 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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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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