M3.1 Depth: 93.0 km

M3.1 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-08-17 07:17:16 UTC Local time:

About this earthquake

A magnitude M3.1 earthquake was recorded near Matanuska-Susitna Borough, Alaska (United States) on August 17, 2026 at 07:17 UTC. At around 93 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 165 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Map

Depth profile

Depth profile Depth: 93 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 93 km
Intermediate
93 km
93 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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

  • Buzzard Creek
    Distance: 147 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: 219 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Wrangell
    Distance: 306 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 310 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 363 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States

Historic earthquake map · United States

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

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

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