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United States · Alaska

M1.0 Earthquake near Lake and Peninsula Borough, Alaska (United States)

UTC time: 2026-10-12 04:23:07 UTC Local time: —
Magnitude
M1.0
Depth
21.3 km
Source
USGS

Alaska · Lake and Peninsula Borough

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About this earthquake

A magnitude M1.0 earthquake was recorded near Lake and Peninsula Borough, Alaska (United States) on October 12, 2026 at 04:23 UTC. The hypocenter lay relatively close to the surface at around 21 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 165 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Depth profile

Depth profile Depth: 21.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 21.3 km
Shallow
21.3 km
21.3 km — deeper 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: 28 km ·Lava dome ·Elevation: 402 m ·United States
  • Ugashik-Peulik
    Distance: 34 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Ukinrek Maars
    Distance: 39 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
  • Martin
    Distance: 42 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Mageik
    Distance: 48 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Novarupta
    Distance: 58 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·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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