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M0.4 Depth: 5.0 km

M0.4 Earthquake near Kodiak Island Borough, Alaska (United States)

UTC time: 2026-08-20 12:19:16 UTC Local time: —

About this earthquake

A magnitude M0.4 earthquake was recorded near Kodiak Island Borough, Alaska (United States) on August 20, 2026 at 12:19 UTC. The hypocenter lay relatively close to the surface at around 5 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: 236 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Map

Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 km
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

  • Katmai
    Distance: 1 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Trident
    Distance: 10 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Griggs
    Distance: 11 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States
  • Novarupta
    Distance: 12 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
  • Snowy Mountain
    Distance: 17 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Mageik
    Distance: 20 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·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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