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United States · Alaska

M0.9 Earthquake near Kodiak Island Borough, Alaska (United States)

UTC time: 2026-10-04 21:59:21 UTC Local time: —

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About this earthquake

On October 4, 2026 at 21:59 UTC, a magnitude M0.9 earthquake occurred near Kodiak Island Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 5 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 181 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

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 (15.2 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

  • Katmai
    Distance: 3 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Trident
    Distance: 8 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Novarupta
    Distance: 12 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
  • Griggs
    Distance: 14 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States
  • Mageik
    Distance: 18 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Snowy Mountain
    Distance: 19 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States

Alaska

Context for this earthquake

04 Oct 2025 – 04 Oct 2026 · M ≥ 2.0 · 4,146 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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