In Etna’s evolutionary history, the Elliptical was its first great [approfondimenti id="32547" testo_link="stratovolcano"], which definitively marked the shift from eruptive activity fundamentally on fractures and faults, to activity in a central conduit, where most of its eruptions occur. Its ini...

In the upper northern flank of Etna, at 2900 metres above sea level, is the Valle del Leone. It is a depression, running east to west, that overlooks the larger Valle del Bove, where you get one of the best views of the volcano. In fact, it is the best place to observe the northern border of the Va...