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United States · Alaska

M1.7 Earthquake near Lake and Peninsula Borough, Alaska (United States)

UTC time: 2026-09-10 23:46:34 UTC Local time: —
Magnitude
M1.7
Depth
35.8 km
Source
USGS

Alaska · Lake and Peninsula Borough

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About this earthquake

A magnitude M1.7 earthquake was recorded near Lake and Peninsula Borough, Alaska (United States) on September 10, 2026 at 23:46 UTC. The hypocenter lay relatively close to the surface at around 36 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 210 earthquakes were recorded in the past 24 hours, the strongest reaching M4.4.

Depth profile

Depth profile Depth: 35.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35.8 km
Shallow
35.8 km
35.8 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

  • Iliamna
    Distance: 54 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 60 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Augustine
    Distance: 114 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Spurr
    Distance: 133 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 160 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Douglas
    Distance: 169 km ·Stratovolcano ·Elevation: 2'140 m ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Port Alsworth AirportUnited States · PTA · PALJ
    34.3 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-10

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Alaska

Context for this earthquake

11 Sep 2025 – 10 Sep 2026 · M ≥ 2.0 · 4,099 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

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

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