World Map › Akan
Volcano
Akan
Caldera · 1,499 m · Japan
Akan sits on the Okhotsk Plate, in a subduction zone. 39 eruptions are known since the end of the last ice age, the most recent in 2026.
- Elevation
- 1,499 m
- Type
- Caldera
- Tectonic Setting
- Subduction zone, continental crust
- Dominant Rock
- Andesite / Basaltic Andesite
- Plate
- Okhotsk Plate
- Country
- Japan
- Last Eruption
- 2026
- Known Eruptions (Holocene)
- 39
- Max. Explosivity (VEI)
- 4
Nearby Cities
Cities of more than 20,000 people within 100 km.
- 52 kmKitami113,000 people
- 54 kmKushiro199,000 people
- 85 kmObihiro174,000 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