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United States · Alaska

M1.1 Earthquake near Lake and Peninsula Borough, Alaska (United States)

UTC time: 2026-09-19 06:48:23 UTC Local time: —
Magnitude
M1.1
Depth
120.5 km
Source
USGS

Alaska · Lake and Peninsula Borough

Country overview

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About this earthquake

A magnitude M1.1 earthquake was recorded near Lake and Peninsula Borough, Alaska (United States) on September 19, 2026 at 06:48 UTC. The earthquake originated at an intermediate depth of about 121 km. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 227 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Depth profile

Depth profile Depth: 120.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 120.5 km
Intermediate
120.5 km
120.5 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

  • Black Peak
    Distance: 2 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
  • Aniakchak
    Distance: 53 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States
  • Veniaminof
    Distance: 56 km ·Stratovolcano ·Elevation: 2'507 m ·Last eruption: 2021 ·United States
  • Kupreanof
    Distance: 86 km ·Stratovolcano ·Elevation: 1'895 m ·United States
  • Stepovak Bay Group
    Distance: 104 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Yantarni
    Distance: 110 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Chignik Lake AirportUnited States · KCQ · A79
    31.4 kmStraight-line distance
  • Chignik AirportUnited States · KCG · PAJC
    34.9 kmStraight-line distance
  • Port Heiden AirportUnited States · PTH · PAPH
    47.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-19

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

19 Sep 2025 – 19 Sep 2026 · M ≥ 2.0 · 4,104 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

Open history map
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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