Back to map
Japan · Iwate Prefecture

M3.5 Earthquake near Ofunato, Iwate Prefecture (Japan)

UTC time: 2026-09-28 12:04:30 UTC Local time: —

Map

About this earthquake

A magnitude M3.5 earthquake was recorded near Ofunato, Iwate Prefecture (Japan) on September 28, 2026 at 12:04 UTC. The hypocenter lay relatively close to the surface at around 50 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

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

Details

ID
17bc0e41554340c2ac0202ae599c8bef57db3829
Magnitude
M3.5
Depth
50.0 km
UTC time
2026-09-28 12:04:30 UTC
Local time
—
Country
Japan
State
Iwate Prefecture
City
Ofunato
Source
emsc
Coordinates
38.90000, 142.00000
Temperature
22.4°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

  • Kurikomayama
    Distance: 105 km ·Stratovolcano ·Last eruption: 1950 ·Japan
  • Naruko
    Distance: 111 km ·Caldera ·Elevation: 470 m ·Last eruption: 837 ·Japan
  • Iwatesan Activity reported
    Distance: 136 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Akita-Komagatake
    Distance: 141 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Hachimantai
    Distance: 153 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Akita-Yakeyama
    Distance: 159 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·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, 466 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Japan

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 · Japan

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

Share