United States · Alaska

M2.0 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-09-28 02:32:10 UTC Local time: —

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About this earthquake

On September 28, 2026 at 02:32 UTC, a magnitude M2.0 earthquake occurred near Unorganized Borough, Alaska (United States). With a focal depth of about 4 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 data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 174 earthquakes, the strongest at M4.8.

Depth profile

Depth profile Depth: 4.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 4.1 km
Shallow
4.1 km
4.1 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

  • Distance: 141 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Distance: 261 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Distance: 279 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Distance: 301 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Distance: 305 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Distance: 355 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States

Alaska

Context for this earthquake

28 Sep 2025 – 28 Sep 2026 · M ≥ 2.0 · 4,152 Catalogue entries

Of 4,151 other entries for this area and period, 3,515 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · United States

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

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

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