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United States · Alaska

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

UTC time: 2026-09-11 14:34:56 UTC Local time: —
Magnitude
M1.1
Depth
102.7 km
Source
USGS

Alaska · Lake and Peninsula Borough

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About this earthquake

A magnitude M1.1 earthquake was recorded near Lake and Peninsula Borough, Alaska (United States) on September 11, 2026 at 14:34 UTC. At around 103 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: 234 earthquakes were recorded in the past 24 hours, the strongest reaching M5.4.

Depth profile

Depth profile Depth: 102.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 102.7 km
Intermediate
102.7 km
102.7 km — deeper than the regional average (15.2 km)
Regional average: 15.2 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

  • Snowy Mountain
    Distance: 7 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Katmai
    Distance: 11 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Griggs
    Distance: 17 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States
  • Trident
    Distance: 20 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Novarupta
    Distance: 22 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
  • Denison
    Distance: 23 km ·Stratovolcano ·Elevation: 2'287 m ·United States

Alaska

Context for this earthquake

11 Sep 2025 – 11 Sep 2026 · M ≥ 2.0 · 4,102 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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Historic earthquake map · United States

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Country statistics · United States

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