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United States · Alaska

M2.3 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-09-07 01:40:23 UTC Local time: —
Magnitude
M2.3
Depth
91.6 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

On September 7, 2026 at 01:40 UTC, a magnitude M2.3 earthquake occurred near Matanuska-Susitna Borough, Alaska (United States). The earthquake originated at an intermediate depth of about 92 km. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 153 earthquakes, the strongest at M3.2.

Depth profile

Depth profile Depth: 91.6 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 91.6 km
Intermediate
91.6 km
91.6 km — deeper than the regional average (15.3 km)
Regional average: 15.3 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

  • Hayes
    Distance: 103 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 130 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 223 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 234 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Iliamna
    Distance: 277 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 353 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Alaska

Context for this earthquake

07 Sep 2025 – 07 Sep 2026 · M ≥ 2.0 · 4,084 Catalogue entries

Of 4,083 other entries for this area and period, 1,952 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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