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M1.8 Depth: 138.7 km

M1.8 Earthquake near Lake and Peninsula Borough, Alaska (United States)

UTC time: 2026-09-01 18:34:25 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near Lake and Peninsula Borough, Alaska (United States) on September 1, 2026 at 18:34 UTC. At around 139 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: over the past 24 hours, QuakeMap24 logged 156 earthquakes, the strongest at M3.6.

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Depth profile

Depth profile Depth: 138.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 138.7 km
Intermediate
138.7 km
138.7 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

  • Griggs
    Distance: 31 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States
  • Novarupta
    Distance: 41 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
  • Katmai
    Distance: 41 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Snowy Mountain
    Distance: 43 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Trident
    Distance: 44 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Denison
    Distance: 48 km ·Stratovolcano ·Elevation: 2'287 m ·United States

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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