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United States · Alaska

M1.5 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-10-03 15:55:14 UTC Local time: —
Magnitude
M1.5
Depth
77.9 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

A magnitude M1.5 earthquake was recorded near Matanuska-Susitna Borough, Alaska (United States) on October 3, 2026 at 15:55 UTC. The earthquake originated at an intermediate depth of about 78 km. 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 161 earthquakes, the strongest at M4.1.

Depth profile

Depth profile Depth: 77.9 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 77.9 km
Intermediate
77.9 km
77.9 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: 55 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 71 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 162 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 216 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 292 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Buzzard Creek
    Distance: 294 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States

Alaska

Context for this earthquake

03 Oct 2025 – 03 Oct 2026 · M ≥ 2.0 · 4,140 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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