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United States · Alaska

M1.3 Earthquake near Lake and Peninsula Borough, Alaska (United States)

UTC time: 2026-09-12 00:21:17 UTC Local time: —
Magnitude
M1.3
Depth
106.4 km
Source
USGS

Alaska · Lake and Peninsula Borough

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About this earthquake

On September 12, 2026 at 00:21 UTC, a magnitude M1.3 earthquake occurred near Lake and Peninsula Borough, Alaska (United States). The earthquake originated at an intermediate depth of about 106 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 236 earthquakes, the strongest at M5.4.

Depth profile

Depth profile Depth: 106.4 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 106.4 km
Intermediate
106.4 km
106.4 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

  • Alaska Peninsula Arc at 155.4°W
    Distance: 31 km ·Lava dome ·Elevation: 402 m ·United States
  • Ugashik-Peulik
    Distance: 32 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Ukinrek Maars
    Distance: 43 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
  • Martin
    Distance: 59 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Mageik
    Distance: 65 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Trident
    Distance: 74 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States

Alaska

Context for this earthquake

12 Sep 2025 – 12 Sep 2026 · M ≥ 2.0 · 4,106 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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