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United States · Alaska

M1.8 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-10-03 10:20:10 UTC Local time: —
Magnitude
M1.8
Depth
33.9 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

A magnitude M1.8 earthquake was recorded near Matanuska-Susitna Borough, Alaska (United States) on October 3, 2026 at 10:20 UTC. The hypocenter lay relatively close to the surface at around 34 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 159 earthquakes, the strongest at M4.1.

Depth profile

Depth profile Depth: 33.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 33.9 km
Shallow
33.9 km
33.9 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

  • Hayes
    Distance: 212 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 215 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Buzzard Creek
    Distance: 227 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 232 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 285 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 333 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States

Alaska

Context for this earthquake

03 Oct 2025 – 03 Oct 2026 · M ≥ 2.0 · 4,142 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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