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United States · Alaska

M1.6 Earthquake near Kodiak Island Borough, Alaska (United States)

UTC time: 2026-10-04 18:42:59 UTC Local time: —
Magnitude
M1.6
Depth
27.5 km
Source
USGS

Alaska · Kodiak Island Borough

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About this earthquake

A magnitude M1.6 earthquake was recorded near Kodiak Island Borough, Alaska (United States) on October 4, 2026 at 18:42 UTC. The hypocenter lay relatively close to the surface at around 28 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: over the past 24 hours, QuakeMap24 logged 172 earthquakes, the strongest at M3.6.

Depth profile

Depth profile Depth: 27.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 27.5 km
Shallow
27.5 km
27.5 km — deeper than the regional average (15.2 km)
Regional average: 15.2 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: 14 km ·Lava dome ·Elevation: 402 m ·United States
  • Martin
    Distance: 43 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Mageik
    Distance: 45 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Trident
    Distance: 50 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Novarupta
    Distance: 53 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
  • Katmai
    Distance: 56 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States

Alaska

Context for this earthquake

04 Oct 2025 – 04 Oct 2026 · M ≥ 2.0 · 4,145 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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Historic earthquake map · United States

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Country statistics · United States

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