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United States · Alaska

M3.0 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-09-09 10:17:49 UTC Local time: —

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About this earthquake

On September 9, 2026 at 10:17 UTC, a magnitude M3.0 earthquake occurred near Unorganized Borough, Alaska (United States). With a focal depth of about 48 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by USGS. United States: 220 earthquakes were recorded in the past 24 hours, the strongest reaching M3.0.

Depth profile

Depth profile Depth: 47.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 47.7 km
Shallow
47.7 km
47.7 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: 65 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Churchill
    Distance: 163 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Buzzard Creek
    Distance: 334 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Spurr
    Distance: 397 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 402 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Fort Selkirk
    Distance: 413 km ·Volcanic field ·Elevation: 1'239 m ·Canada

Alaska

Context for this earthquake

09 Sep 2025 – 09 Sep 2026 · M ≥ 3.0 · 655 Catalogue entries

Of 654 other entries for this area and period, 550 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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