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United States · Alaska

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

UTC time: 2026-09-10 13:09:24 UTC Local time: —
Magnitude
M1.1
Depth
5.0 km
Source
USGS

Alaska · Lake and Peninsula Borough

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About this earthquake

On September 10, 2026 at 13:09 UTC, a magnitude M1.1 earthquake occurred near Lake and Peninsula Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 5 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 194 earthquakes, the strongest at M4.4.

Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 km
5 km — shallower than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Alaska Peninsula Arc at 155.4°W
    Distance: 7 km ·Lava dome ·Elevation: 402 m ·United States
  • Martin
    Distance: 28 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Mageik
    Distance: 31 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Trident
    Distance: 38 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Novarupta
    Distance: 40 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
  • Katmai
    Distance: 46 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States

Alaska

Context for this earthquake

10 Sep 2025 – 10 Sep 2026 · M ≥ 2.0 · 4,093 Catalogue entries

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

Open seismic profile

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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