From the inquiries I made, however, I apprehend that it is a kind of solfatara.
Above him muttered Vesuvius; beneath his feet shook the solfatara.
A walk up a boulder-strewn slope reaches the old crater, or solfatara, almost surrounded by steep walls of rock.
The demi-god Faunus, who had an oracle at the solfatara, had also an oracle on this hill.
The solfatara of Danan is situated exactly south of that below, at the end of the ravine of the Kasiboi.
In the twelfth century the solfatara broke forth into eruption for the last time.
The vast works for the refining of sulphur in the volcanic district of solfatara were erected under his direction.
Beneath this spot the heart of the solfatara was expected to lie, and Jason and Sunlocks were commanded to open it.
It is composed of andesitic lavas of the augite type, is pierced by many fumaroles, and has a crater in the solfatara stage.
In the immediate neighbourhood of Pozzuoli is solfatara, where sulphur is found.