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United States · Alaska

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

UTC time: 2026-10-20 20:24:33 UTC Local time: —
Magnitude
M2.1
Depth
133.2 km
Source
USGS

Alaska · Lake and Peninsula Borough

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About this earthquake

On October 20, 2026 at 20:24 UTC, a magnitude M2.1 earthquake occurred near Lake and Peninsula Borough, Alaska (United States). At around 133 km, the focal depth places this among intermediate-depth events. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 126 earthquakes, the strongest at M3.7.

Depth profile

Depth profile Depth: 133.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 133.2 km
Intermediate
133.2 km
133.2 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

  • Ukinrek Maars
    Distance: 10 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
  • Ugashik-Peulik
    Distance: 19 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Alaska Peninsula Arc at 155.4°W
    Distance: 62 km ·Lava dome ·Elevation: 402 m ·United States
  • Martin
    Distance: 71 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Mageik
    Distance: 78 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Kialagvik
    Distance: 81 km ·Stratovolcano ·Elevation: 1'677 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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Country statistics · United States

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

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