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United States · Alaska

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

UTC time: 2026-09-10 15:43:36 UTC Local time: —
Magnitude
M1.8
Depth
127.5 km
Source
USGS

Alaska · Lake and Peninsula Borough

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About this earthquake

A magnitude M1.8 earthquake was recorded near Lake and Peninsula Borough, Alaska (United States) on September 10, 2026 at 15:43 UTC. The earthquake originated at an intermediate depth of about 128 km. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 196 earthquakes, the strongest at M4.4.

Depth profile

Depth profile Depth: 127.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 127.5 km
Intermediate
127.5 km
127.5 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

  • Ugashik-Peulik
    Distance: 18 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Ukinrek Maars
    Distance: 22 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
  • Alaska Peninsula Arc at 155.4°W
    Distance: 44 km ·Lava dome ·Elevation: 402 m ·United States
  • Martin
    Distance: 58 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Mageik
    Distance: 64 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Novarupta
    Distance: 73 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States

Alaska

Context for this earthquake

10 Sep 2025 – 10 Sep 2026 · M ≥ 2.0 · 4,094 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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