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M1.1 Depth: 133.3 km

M1.1 Earthquake near Lake and Peninsula Borough, Alaska (United States)

UTC time: 2026-07-31 05:31:07 UTC Local time: —

About this earthquake

A magnitude M1.1 earthquake was recorded near Lake and Peninsula Borough, Alaska (United States) on July 31, 2026 at 05:31 UTC. At around 133 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: 164 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Map

Depth profile

Depth profile Depth: 133.3 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 133.3 km
Intermediate
133.3 km
133.3 km — deeper than the regional average (15.5 km)
Regional average: 15.5 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: 40 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States
  • Snowy Mountain
    Distance: 48 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Denison
    Distance: 49 km ·Stratovolcano ·Elevation: 2'287 m ·United States
  • Katmai
    Distance: 49 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Steller
    Distance: 50 km ·Stratovolcano ·Elevation: 2'279 m ·United States
  • Kukak
    Distance: 50 km ·Stratovolcano ·Elevation: 2'043 m ·United States

Historic earthquake map · United States

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Country statistics · United States

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

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