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Japan · Iwate Prefecture

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

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

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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

ID
1c800da6ec06ae265a344a8d5f82febeac1df20c
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

Depth profile

Depth profile Depth: 40 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 40 km
Shallow
40 km
40 km — close to the regional average (34 km)
Regional average: 34 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 Activity reported
    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

Japan

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 968 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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