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United States · Alaska

M0.5 Earthquake near Lake and Peninsula Borough, Alaska (United States)

UTC time: 2026-09-13 03:51:52 UTC Local time: —
Magnitude
M0.5
Depth
6.4 km
Source
USGS

Alaska · Lake and Peninsula Borough

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About this earthquake

A magnitude M0.5 earthquake was recorded near Lake and Peninsula Borough, Alaska (United States) on September 13, 2026 at 03:51 UTC. The hypocenter lay relatively close to the surface at around 6 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 247 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Depth profile

Depth profile Depth: 6.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 6.4 km
Shallow
6.4 km
6.4 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

  • Aniakchak
    Distance: 9 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States
  • Yantarni
    Distance: 55 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·United States
  • Black Peak
    Distance: 57 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
  • Chiginagak
    Distance: 70 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·United States
  • Kialagvik
    Distance: 87 km ·Stratovolcano ·Elevation: 1'677 m ·United States
  • Veniaminof
    Distance: 112 km ·Stratovolcano ·Elevation: 2'507 m ·Last eruption: 2021 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Port Heiden AirportUnited States · PTH · PAPH
    37.9 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-13

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

13 Sep 2025 – 13 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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