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United States · Alaska

M2.2 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-09-21 23:50:41 UTC Local time: —

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About this earthquake

On September 21, 2026 at 23:50 UTC, a magnitude M2.2 earthquake occurred near Unorganized Borough, Alaska (United States). With a focal depth of about 20 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 183 earthquakes, the strongest at M3.0.

Depth profile

Depth profile Depth: 19.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 19.6 km
Shallow
19.6 km
19.6 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

  • Buzzard Creek
    Distance: 92 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 391 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Wrangell
    Distance: 404 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Spurr
    Distance: 423 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Minto Al Wright AirportUnited States · MNT
    36.8 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-21

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

22 Sep 2025 – 21 Sep 2026 · M ≥ 2.0 · 4,121 Catalogue entries

Of 4,120 other entries for this area and period, 2,346 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

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View earthquake KPIs, strongest and latest events, and averages for this country.

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