Japan · Iwate Prefecture

M3.6 Earthquake near Ofunato, Iwate Prefecture (Japan)

UTC time: 2026-08-06 04:18:30 UTC Local time: —

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About this earthquake

A magnitude M3.6 earthquake was recorded near Ofunato, Iwate Prefecture (Japan) on August 6, 2026 at 04:18 UTC. With a focal depth of about 50 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC.

Details

ID
49f36f3e3ce310f96bc35308497a399936269adb
Magnitude
M3.6
Depth
50.0 km
UTC time
2026-08-06 04:18:30 UTC
Local time
—
Country
City
Source
emsc
Coordinates
38.90000, 141.90000
Temperature
22.6°C

Depth profile

Depth profile Depth: 50 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 50 km
Shallow
50 km
50 km — deeper than the regional average (33.2 km)
Regional average: 33.2 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

  • Distance: 96 km ·Stratovolcano ·Last eruption: 1950 ·Japan
  • Distance: 103 km ·Caldera ·Elevation: 470 m ·Last eruption: 837 ·Japan
  • Iwatesan Activity reported
    Distance: 131 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Distance: 135 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Distance: 148 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Distance: 152 km ·Complex ·Elevation: 1'841 m ·Last eruption: 1940 ·Japan

Japan

Context for this earthquake

04 Oct 2025 – 04 Oct 2026 · M ≥ 3.0 · 969 Catalogue entries

Of 968 other entries for this area and period, 423 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Japan

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Country statistics · Japan

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