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United States · Alaska

M4.7 Earthquake near Kodiak Island Borough, Alaska (United States)

UTC time: 2026-07-18 07:20:47 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

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About this earthquake

A magnitude M4.7 earthquake was recorded near Kodiak Island Borough, Alaska (United States) on July 18, 2026 at 07:20 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by GFZ and cross-checked across seismological networks. United States: 179 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 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

Tectonic context

Located on the North America Plate.
Near the boundary North America ↔ Pacific · about 177 km away

Volcanoes nearby

  • Alaska Peninsula Arc at 155.4°W
    Distance: 102 km ·Lava dome ·Elevation: 402 m ·United States
  • Mageik
    Distance: 129 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Martin
    Distance: 129 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Trident
    Distance: 130 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Katmai
    Distance: 132 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Novarupta
    Distance: 134 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Akhiok AirportUnited States · AKK · PAKH
    25.0 kmStraight-line distance
  • Karluk AirportUnited States · KYK · PAKY
    48.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-14

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Alaska

Context for this earthquake

14 Sep 2025 – 14 Sep 2026 · M ≥ 3.0 · 655 Catalogue entries

Of 654 other entries for this area and period, 77 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

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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