M3.4 Depth: 40.0 km

M3.4 Earthquake near Ofunato, Iwate Prefecture (Japan)

UTC time: 2026-07-17 21:31:30 UTC Local time: —

About this earthquake

A magnitude M3.4 earthquake was recorded near Ofunato, Iwate Prefecture (Japan) on July 17, 2026 at 21:31 UTC. With a focal depth of about 40 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks.

Details

Magnitude

M3.4

Depth

40.0 km

UTC time

2026-07-17 21:31:30 UTC

Local time

—

Country

Japan

State

Iwate Prefecture

City

Ofunato

Source

emsc

Coordinates

39.10000, 142.10000

Temperature

22.2°C

Map

Depth profile

Shallow

40 km

40 km — close to the regional average (35.9 km)

Regional average: 35.9 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

Kurikomayama

Distance: 114 km ·Stratovolcano ·Last eruption: 1950 ·Japan
Naruko

Distance: 125 km ·Caldera ·Elevation: 470 m ·Last eruption: 837 ·Japan
Iwatesan

Distance: 126 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
Akita-Komagatake

Distance: 134 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
Hachimantai

Distance: 143 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
Akita-Yakeyama

Distance: 150 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan

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