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Japan · Iwate Prefecture

M3.7 Earthquake near Iwaizumi, Iwate Prefecture (Japan)

UTC time: 2026-09-10 15:21:30 UTC Local time: —

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About this earthquake

A magnitude M3.7 earthquake was recorded near Iwaizumi, Iwate Prefecture (Japan) on September 10, 2026 at 15:21 UTC. The hypocenter lay relatively close to the surface at around 60 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC.

Details

ID
929d6c35ed4fb172fa3eaf8d3f33aaa6f2dd6c3a
Magnitude
M3.7
Depth
60.0 km
UTC time
2026-09-10 15:21:30 UTC
Local time
—
Country
Japan
State
Iwate Prefecture
City
Iwaizumi
County
Shimohei County
Source
emsc
Coordinates
39.80000, 141.80000
Temperature
19.2°C

Depth profile

Depth profile Depth: 60 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 60 km
Shallow
60 km
60 km — deeper than the regional average (33.1 km)
Regional average: 33.1 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

  • Iwatesan Activity reported
    Distance: 68 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Hachimantai
    Distance: 83 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Akita-Komagatake
    Distance: 86 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Akita-Yakeyama
    Distance: 91 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
  • Towada
    Distance: 111 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Hakkodasan
    Distance: 124 km ·Stratovolcano(es) ·Elevation: 1'584 m ·Last eruption: 1550 ·Japan

Japan

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 952 Catalogue entries

Of 951 other entries for this area and period, 363 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

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