Volcanoes have shaped the Europe we know today - they give us land and life itself, but they also have the power to destroy. In southern Italy and Iceland, volcanic time-bombs are primed? and ticking. Their inevitable - and unstoppable - eruptions will bring death, chaos and destruction. Most terrifying of all? A European "supervolcano"may be awakening? Threatening an explosion so large? It could wipe the Continent off the map.