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.
The people living close to Fuji-san never worry about the possibility of it erupting. 
mnli hypothesis: The people living close to Fuji-san never worry about the possibility of it erupting.  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.