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M1.4 Depth: 77.3 km

M1.4 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-09-04 03:51:23 UTC Local time: —

About this earthquake

A magnitude M1.4 earthquake was recorded near Matanuska-Susitna Borough, Alaska (United States) on September 4, 2026 at 03:51 UTC. At around 77 km, the focal depth places this among intermediate-depth events. 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: 226 earthquakes were recorded in the past 24 hours, the strongest reaching M5.9.

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Depth profile

Depth profile Depth: 77.3 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 77.3 km
Intermediate
77.3 km
77.3 km — deeper than the regional average (15.3 km)
Regional average: 15.3 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Hayes
    Distance: 93 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 120 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 214 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 244 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Iliamna
    Distance: 268 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 344 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Historic earthquake map · United States

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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