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United States · Alaska

M2.5 Earthquake near Lake and Peninsula Borough, Alaska (United States)

UTC time: 2026-09-10 23:29:53 UTC Local time: —
Magnitude
M2.5
Depth
42.4 km
Source
USGS

Alaska · Lake and Peninsula Borough

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About this earthquake

A magnitude M2.5 earthquake was recorded near Lake and Peninsula Borough, Alaska (United States) on September 10, 2026 at 23:29 UTC. With a focal depth of about 42 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 210 earthquakes were recorded in the past 24 hours, the strongest reaching M4.4.

Depth profile

Depth profile Depth: 42.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 42.4 km
Shallow
42.4 km
42.4 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: 51 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 56 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Augustine
    Distance: 113 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Spurr
    Distance: 131 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 159 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Douglas
    Distance: 168 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
    37.6 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

Of 4,098 other entries for this area and period, 1,334 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · United States

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Country statistics · United States

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

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