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M1.7 Depth: 88.6 km

M1.7 Earthquake near Kodiak Island Borough, Alaska (United States)

UTC time: 2026-04-21 17:40:11 UTC Local time: —

About this earthquake

A magnitude M1.7 earthquake was recorded near Kodiak Island Borough, Alaska (United States) on April 21, 2026 at 17:40 UTC. The earthquake originated at an intermediate depth of about 89 km. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 158 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Map

Depth profile

Depth profile Depth: 88.6 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 88.6 km
Intermediate
88.6 km
88.6 km — deeper than the regional average (15.8 km)
Regional average: 15.8 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

  • Mageik
    Distance: 15 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Trident
    Distance: 17 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Martin
    Distance: 18 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Novarupta
    Distance: 21 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
  • Katmai
    Distance: 24 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Alaska Peninsula Arc at 155.4°W
    Distance: 29 km ·Lava dome ·Elevation: 402 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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