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M1.1 Depth: 24.7 km

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

UTC time: 2026-08-18 18:00:42 UTC Local time: —

About this earthquake

On August 18, 2026 at 18:00 UTC, a magnitude M1.1 earthquake occurred near Lake and Peninsula Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 25 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: 212 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Map

Depth profile

Depth profile Depth: 24.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 24.7 km
Shallow
24.7 km
24.7 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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

  • Veniaminof
    Distance: 9 km ·Stratovolcano ·Elevation: 2'507 m ·Last eruption: 2021 ·United States
  • Kupreanof ADVISORY · YELLOW
    Distance: 28 km ·Stratovolcano ·Elevation: 1'895 m ·United States
  • Stepovak Bay Group
    Distance: 45 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Black Peak
    Distance: 59 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
  • Aniakchak
    Distance: 112 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States
  • Dana
    Distance: 123 km ·Stratovolcano ·Elevation: 1'354 m ·Last eruption: -1890 ·United States

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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