United States · Alaska

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

UTC time: 2026-09-12 01:14:33 UTC Local time:
Magnitude
M2.2
Depth
55.2 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

On September 12, 2026 at 01:14 UTC, a magnitude M2.2 earthquake occurred near Matanuska-Susitna Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 55 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 238 earthquakes were recorded in the past 24 hours, the strongest reaching M5.4.

Depth profile

Depth profile Depth: 55.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 55.2 km
Shallow
55.2 km
55.2 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

  • Distance: 162 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Distance: 203 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Distance: 221 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Distance: 274 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Distance: 306 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Distance: 358 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States

Alaska

Context for this earthquake

12 Sep 2025 – 12 Sep 2026 · M ≥ 2.0 · 4,106 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

Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

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

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