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United States · Alaska

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

UTC time: 2026-10-02 21:38:18 UTC Local time: —
Magnitude
M1.9
Depth
0.9 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

On October 2, 2026 at 21:38 UTC, a magnitude M1.9 earthquake occurred near Matanuska-Susitna Borough, Alaska (United States). With a focal depth of about 1 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 162 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Depth profile

Depth profile Depth: 0.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.9 km
Shallow
0.9 km
0.9 km — shallower 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: 109 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 146 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 239 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 245 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Iliamna
    Distance: 292 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 368 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Alaska

Context for this earthquake

02 Oct 2025 – 02 Oct 2026 · M ≥ 2.0 · 4,143 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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View earthquake KPIs, strongest and latest events, and averages for this country.

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