World Map › Numazawa
Volcano
Numazawa
Shield volcano · 835 m · Japan
Numazawa sits on the Okhotsk Plate, in a subduction zone. 1 eruption is known since the end of the last ice age, the most recent in 3,400 BCE.
- Elevation
- 835 m
- Type
- Shield volcano
- Tectonic Setting
- Subduction zone, continental crust
- Dominant Rock
- Dacite
- Plate
- Okhotsk Plate
- Country
- Japan
- Last Eruption
- 3,400 BCE
- Known Eruptions (Holocene)
- 1
- Max. Explosivity (VEI)
- 5
Nearby Cities
Cities of more than 20,000 people within 100 km.
- 62 kmNagaoka195,000 people
- 70 kmNiigata570,000 people
- 72 kmKōriyama341,000 people
- 86 kmFukushima294,000 people
Eruption Timeline
Each bar is an eruption; its height shows its explosivity (VEI 0 to 8).
Eruption Uncertain Date
Sources : Global Volcanism Program, 2026. Volcanoes of the World (v. 5.4.0; 7 Aug 2026), Smithsonian Institution, doi:10.5479/si.GVP.VOTW5-2026.5.4 (volcano.si.edu) · NOAA NCEI · USGS · Wikidata