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United States · Alaska

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

UTC time: 2026-09-05 15:17:51 UTC Local time: —
Magnitude
M1.5
Depth
19.3 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

On September 5, 2026 at 15:17 UTC, a magnitude M1.5 earthquake occurred near Matanuska-Susitna Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 19 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 147 earthquakes, the strongest at M4.0.

Depth profile

Depth profile Depth: 19.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 19.3 km
Shallow
19.3 km
19.3 km — deeper than the regional average (15.3 km)
Regional average: 15.3 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: 141 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 155 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Buzzard Creek
    Distance: 221 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Redoubt
    Distance: 241 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 293 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Wrangell
    Distance: 312 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States

Alaska

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 2.0 · 4,082 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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