United States · Alaska

M2.2 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-09-18 20:11:18 UTC Local time:
Magnitude
M2.2
Depth
89.2 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

A magnitude M2.2 earthquake was recorded near Matanuska-Susitna Borough, Alaska (United States) on September 18, 2026 at 20:11 UTC. The earthquake originated at an intermediate depth of about 89 km. 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 193 earthquakes, the strongest at M4.8.

Depth profile

Depth profile Depth: 89.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 89.2 km
Intermediate
89.2 km
89.2 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

  • Distance: 152 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Distance: 181 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Distance: 184 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Distance: 275 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Distance: 328 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Distance: 356 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States

Alaska

Context for this earthquake

18 Sep 2025 – 18 Sep 2026 · M ≥ 2.0 · 4,103 Catalogue entries

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

Open seismic profile

Historic earthquake map · United States

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Country statistics · United States

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

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