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United States · Alaska

M4.4 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-09-10 05:18:10 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis. How our reports are produced ↗

Magnitude
M4.4
Depth
65.9 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

On September 10, 2026 at 05:18 UTC, a magnitude M4.4 earthquake occurred near Matanuska-Susitna Borough, Alaska (United States). With a focal depth of about 66 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 204 earthquakes, the strongest at M4.4.

Depth profile

Depth profile Depth: 65.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 65.9 km
Shallow
65.9 km
65.9 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

  • Buzzard Creek
    Distance: 178 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 202 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Hayes
    Distance: 259 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 269 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Churchill
    Distance: 339 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Redoubt
    Distance: 345 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States

Alaska

Context for this earthquake

10 Sep 2025 – 10 Sep 2026 · M ≥ 3.0 · 656 Catalogue entries

Of 655 other entries for this area and period, 110 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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