large volcanic crater in central Kyushu, Japan, with five cones: highest cone, 5,223 ft (1,592 m); crater, c. 15 mi (24 km) wide
- Both were thought to be killed when Mount Aso erupted.
- More potable is Aso-take, some 20 m.
- They may be enumerated, proceeding from Rimini southwards: (1) the Foglia; (2) the Metauro, of historical celebrity, and affording access to one of the most frequented passes of the Apennines; (3) the Esino; (4) the Potenza; (5) the Chienti; (6) the Aso; (7) the Tronto; (8) the Vomano; (9) the Aterno; (10) the Sangro; (11) the Trigno, which forms the boundary of the southernmost province of the Abruzzi, and may therefore be taken as the limit of Central Italy.
- Aso-take is still an active volcano, but its eruptions during recent years have been confined to ashes and dust.
- Aso-take (Higo) 5545.