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M4.7 Depth: 10.0 km

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

UTC time: 2026-07-18 07:20:47 UTC Local time: —

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: 190 earthquakes were recorded in the past 24 hours, the strongest reaching M4.7.

Map

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 (15.6 km)
Regional average: 15.6 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

Historic earthquake map · United States

Open history map
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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