Etna (which I've been up) has an altitude which, like most volcanoes, is a variable feast. But it's been pretty active for the last couple of years. It's a huge volcano and, as a consequence, most of the villages around are a safe distance from all except the fiercest eruptions. But they can happen! The seafront in Catania, the biggest nearby city, reveals the remains of relatively recent historical lava flows, which looks like a threat!