Fuji-san last erupted in 1707, and today only an occasional puff of steam breaks through its crust, the fitful snore of a sleeping giant.
Fuji-san has not erupted since the early 18th century. 
mnli hypothesis: Fuji-san has not erupted since the early 18th century.  premise: Fuji-san last erupted in 1707, and today only an occasional puff of steam breaks through its crust, the fitful snore of a sleeping giant.