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United States · Alaska

M-0.7 Earthquake near Lake and Peninsula Borough, Alaska (United States)

UTC time: 2026-09-18 23:16:20 UTC Local time: —
Magnitude
M-0.7
Depth
2.3 km
Source
USGS

Alaska · Lake and Peninsula Borough

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About this earthquake

A magnitude M-0.7 earthquake was recorded near Lake and Peninsula Borough, Alaska (United States) on September 18, 2026 at 23:16 UTC. With a focal depth of about 2 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 161 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Depth profile

Depth profile Depth: 2.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 2.3 km
Shallow
2.3 km
2.3 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

  • Mageik
    Distance: 0 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Martin
    Distance: 7 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Novarupta
    Distance: 10 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
  • Trident
    Distance: 10 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Katmai
    Distance: 20 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Griggs
    Distance: 20 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States

Alaska

Context for this earthquake

25 Sep 2025 – 25 Sep 2026 · M ≥ 2.0 · 4,136 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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