World Map › Niigata-Yakeyama
Volcano
Niigata-Yakeyama
Lava dome · 2,400 m · Japan
Niigata-Yakeyama sits on the Okhotsk Plate, in a subduction zone. 20 eruptions are known since the end of the last ice age, the most recent in 1998. Its major eruptions caused at least 3 deaths.
- Elevation
- 2,400 m
- Type
- Lava dome
- Tectonic Setting
- Subduction zone, continental crust
- Dominant Rock
- Andesite / Basaltic Andesite
- Plate
- Okhotsk Plate
- Country
- Japan
- Last Eruption
- 1998
- Known Eruptions (Holocene)
- 20
- Max. Explosivity (VEI)
- 4
- Known Fatalities
- 3
Nearby Cities
Cities of more than 20,000 people within 100 km.
- 32 kmNagano594,000 people
- 76 kmToyama333,000 people
- 76 kmMatsumoto225,000 people
- 94 kmNagaoka195,000 people
- 96 kmTakaoka170,000 people
Eruption Timeline
Each bar is an eruption; its height shows its explosivity (VEI 0 to 8).
Eruption Deadly Eruption (NOAA) 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