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United States · Alaska

M2.1 Earthquake near Lake and Peninsula Borough, Alaska (United States)

UTC time: 2026-10-20 18:12:36 UTC Local time: —
Magnitude
M2.1
Depth
102.5 km
Source
USGS

Alaska · Lake and Peninsula Borough

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About this earthquake

On October 20, 2026 at 18:12 UTC, a magnitude M2.1 earthquake occurred near Lake and Peninsula Borough, Alaska (United States). At around 103 km, the focal depth places this among intermediate-depth events. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 149 earthquakes were recorded in the past 24 hours, the strongest reaching M5.3.

Depth profile

Depth profile Depth: 102.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 102.5 km
Intermediate
102.5 km
102.5 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

  • Snowy Mountain
    Distance: 8 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Katmai
    Distance: 12 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Griggs
    Distance: 16 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States
  • Trident
    Distance: 21 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

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 4,148 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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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

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

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