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M1.5 Depth: 8.5 km

M1.5 Earthquake near Lake and Peninsula Borough, Alaska (United States)

UTC time: 2026-08-21 12:40:06 UTC Local time: —

About this earthquake

A magnitude M1.5 earthquake was recorded near Lake and Peninsula Borough, Alaska (United States) on August 21, 2026 at 12:40 UTC. With a focal depth of about 9 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 215 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Map

Depth profile

Depth profile Depth: 8.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.5 km
Shallow
8.5 km
8.5 km — shallower 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

  • Augustine
    Distance: 117 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Griggs
    Distance: 126 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States
  • Kaguyak
    Distance: 127 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States
  • Fourpeaked
    Distance: 129 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 130 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Kukak
    Distance: 130 km ·Stratovolcano ·Elevation: 2'043 m ·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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