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United States · Alaska

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

UTC time: 2026-09-24 04:16:30 UTC Local time: —
Magnitude
M1.6
Depth
71.8 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

A magnitude M1.6 earthquake was recorded near Matanuska-Susitna Borough, Alaska (United States) on September 24, 2026 at 04:16 UTC. At around 72 km, the focal depth places this among intermediate-depth events. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 205 earthquakes, the strongest at M3.9.

Depth profile

Depth profile Depth: 71.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 71.8 km
Intermediate
71.8 km
71.8 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

  • Hayes
    Distance: 71 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 85 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 174 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 228 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 282 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Augustine
    Distance: 303 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Alaska

Context for this earthquake

24 Sep 2025 – 24 Sep 2026 · M ≥ 2.0 · 4,138 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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