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United States · Alaska

M1.7 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-10-06 13:46:12 UTC Local time: —
Magnitude
M1.7
Depth
89.7 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

On October 6, 2026 at 13:46 UTC, a magnitude M1.7 earthquake occurred near Matanuska-Susitna Borough, Alaska (United States). The earthquake originated at an intermediate depth of about 90 km. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 166 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Depth profile

Depth profile Depth: 89.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 89.7 km
Intermediate
89.7 km
89.7 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: 40 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 60 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 154 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 208 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 284 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Buzzard Creek
    Distance: 303 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States

Alaska

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 4,148 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

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