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United States · Alaska

M1.9 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-09-08 15:09:13 UTC Local time: —
Magnitude
M1.9
Depth
62.9 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

A magnitude M1.9 earthquake was recorded near Matanuska-Susitna Borough, Alaska (United States) on September 8, 2026 at 15:09 UTC. The hypocenter lay relatively close to the surface at around 63 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 167 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Depth profile

Depth profile Depth: 62.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 62.9 km
Shallow
62.9 km
62.9 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

  • Buzzard Creek
    Distance: 152 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 196 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 217 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Wrangell
    Distance: 298 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 307 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 360 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States

Alaska

Context for this earthquake

08 Sep 2025 – 08 Sep 2026 · M ≥ 2.0 · 4,085 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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