Answer: asosan

AnswerCrossword Clue
ASOSANKyushu volcano having 12-mile-wide crater.
ASOSANKyushu volcano with world's largest crater.
ASOSANKyushu peak.
ASOSANKyushu volcano.
ASOSANKyushu volcanic group
ASOSANJapanese volcano
ASOSANKyushu volcano