United States · Alaska

M1.6 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-09-12 13:47:23 UTC Local time:
Magnitude
M1.6
Depth
5.0 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

On September 12, 2026 at 13:47 UTC, a magnitude M1.6 earthquake occurred near Matanuska-Susitna Borough, Alaska (United States). With a focal depth of about 5 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 293 earthquakes, the strongest at M3.9.

Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 km
5 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: 105 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Distance: 141 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Distance: 234 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Distance: 245 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Distance: 287 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Distance: 364 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Alaska

Context for this earthquake

12 Sep 2025 – 12 Sep 2026 · M ≥ 2.0 · 4,104 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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