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M3.3 Depth: 36.9 km

M3.3 Earthquake near Lake and Peninsula Borough, Alaska (United States)

UTC time: 2026-08-22 18:19:18 UTC Local time: —

About this earthquake

On August 22, 2026 at 18:19 UTC, a magnitude M3.3 earthquake occurred near Lake and Peninsula Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 37 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 160 earthquakes, the strongest at M4.1.

Map

Depth profile

Depth profile Depth: 36.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 36.9 km
Shallow
36.9 km
36.9 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

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    Distance: 77 km ·Stratovolcano ·Elevation: 2'507 m ·Last eruption: 2021 ·United States
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  • Black Peak
    Distance: 93 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
  • Stepovak Bay Group
    Distance: 103 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Aniakchak
    Distance: 127 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States
  • Yantarni
    Distance: 161 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·United States

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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