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M1.7 Depth: 57.5 km

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

UTC time: 2026-08-18 06:12:31 UTC Local time: —

About this earthquake

On August 18, 2026 at 06:12 UTC, a magnitude M1.7 earthquake occurred near Kodiak Island Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 58 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 196 earthquakes, the strongest at M4.8.

Map

Depth profile

Depth profile Depth: 57.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 57.5 km
Shallow
57.5 km
57.5 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

  • Alaska Peninsula Arc at 155.4°W
    Distance: 65 km ·Lava dome ·Elevation: 402 m ·United States
  • Martin
    Distance: 95 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Mageik
    Distance: 96 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Trident
    Distance: 99 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Ugashik-Peulik
    Distance: 99 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Novarupta
    Distance: 103 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·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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