Mount Aso

E83520

active volcano mountain stratovolcano

Mount Aso is one of Japan’s largest and most active volcanoes, featuring a vast caldera and multiple central cones on the island of Kyushu.

Predicate	Object
instanceOf	active volcano → mountain → stratovolcano →
calderaDiameter	approximately 25 kilometers →
calderaWidth	approximately 18 kilometers →
continent	Asia →
country	Japan →
elevation	about 1,592 meters →
eruptionStyle	phreatic eruptions → strombolian eruptions →
geologicalAge	Quaternary →
hasCone	Eboshidake → Kishimadake → Nakadake NERFINISHED → Nekodake → Takadake →
hasFacility	ropeway (often closed during high activity) → viewing platforms → visitor center →
hasFeature	active crater → crater lake (occasionally present) → large caldera → lava domes → multiple central cones → volcanic gas emissions →
hazardLevel	significant volcanic hazard →
highestPoint	Mount Nakadake area (approx. 1,592 m) →
JapaneseName	阿蘇山 →
knownFor	frequent small eruptions → one of Japan’s most active volcanoes → one of the world’s largest calderas →
languageOfToponym	Japanese →
lastEruption	21st century →
locatedIn	Aso region NERFINISHED → Kumamoto Prefecture NERFINISHED → Kyushu NERFINISHED →
locatedInVolcanicArc	Southwest Japan Arc →
locatedNear	Kumamoto City NERFINISHED → city of Aso →
locatedOn	island of Kyushu →
monitoredBy	Japan Meteorological Agency →
partOf	Aso Kuju National Park → Aso caldera → Ring of Fire →
surroundedBy	Aso grasslands → rural farmland →
touristAttraction	yes →
usedFor	geological research → hiking → sightseeing →
volcanoType	complex volcano →

Subject (surface form when different)	Predicate
Kyushu → Western Japan →	hasVolcano
Mount Aso ("Takadake") →	hasCone
Rodan →	homeLocation
Mount Aso ("阿蘇山") →	JapaneseName
Mount Aso ("Aso caldera") →	partOf