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United States · Alaska

M3.2 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-09-03 11:38:01 UTC Local time: —
Magnitude
M3.2
Depth
77.6 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

On September 3, 2026 at 11:38 UTC, a magnitude M3.2 earthquake occurred near Matanuska-Susitna Borough, Alaska (United States). At around 78 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 157 earthquakes, the strongest at M3.7.

Depth profile

Depth profile Depth: 77.6 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 77.6 km
Intermediate
77.6 km
77.6 km — deeper than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Buzzard Creek
    Distance: 152 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 198 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 220 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Wrangell
    Distance: 293 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 308 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 361 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States

Alaska

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 653 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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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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