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United States · Alaska

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

UTC time: 2026-09-19 13:58:57 UTC Local time: —
Magnitude
M1.5
Depth
18.8 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 September 19, 2026 at 13:58 UTC. 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: 228 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Depth profile

Depth profile Depth: 18.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 18.8 km
Shallow
18.8 km
18.8 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: 132 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 149 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: 237 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 290 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Wrangell
    Distance: 326 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States

Alaska

Context for this earthquake

19 Sep 2025 – 19 Sep 2026 · M ≥ 2.0 · 4,105 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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