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M3.9 Depth: 20.0 km

M3.9 Earthquake near IZU ISLANDS, JAPAN REGION (Japan)

UTC time: 2025-09-09 20:02:30 UTC Local time: —

About this earthquake

On September 9, 2025 at 20:02 UTC, a magnitude M3.9 earthquake occurred near IZU ISLANDS, JAPAN REGION (Japan). With a focal depth of about 20 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

Magnitude
M3.9
Depth
20.0 km
UTC time
2025-09-09 20:02:30 UTC
Local time
—
Country
Japan
City
dong jing dou
Source
emsc
Coordinates
33.70000, 139.50000
Temperature
28.5°C

Map

Depth profile

Depth profile Depth: 20 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 20 km
Shallow
20 km
20 km — shallower than the regional average (35.3 km)
Regional average: 35.3 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

  • Mikurajima
    Distance: 22 km ·Stratovolcano ·Elevation: 851 m ·Last eruption: -4100 ·Japan
  • Kurose Hole
    Distance: 37 km ·Caldera ·Elevation: -114 m ·Japan
  • Miyakejima
    Distance: 44 km ·Stratovolcano ·Elevation: 775 m ·Last eruption: 2010 ·Japan
  • Kozushima
    Distance: 66 km ·Lava dome(s) ·Elevation: 572 m ·Last eruption: 838 ·Japan
  • Hachijojima
    Distance: 67 km ·Stratovolcano(es) ·Elevation: 854 m ·Last eruption: 1606 ·Japan
  • Niijima
    Distance: 80 km ·Lava dome(s) ·Elevation: 432 m ·Last eruption: 886 ·Japan

Historic earthquake map · Japan

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Country statistics · Japan

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

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