During the 2010 Eyjafjallajökull eruptions, more than 100,000 flights were cancelled, stranding five million travellers across the world.
The Cape Verde islands are thought to have formed over a volcanic “hot spot”, producing a series of volcanoes isolated from a plate boundary.
Mount Etna is the largest active volcano in Europe, covering 1,190 square kilometres.
The eruption of the Lake Toba super-volcano 70,000 years ago killed off the majority of early humanoid life on Earth at the time.
The Mount St. Helens eruption in 1980 was the deadliest and most economically destructive volcanic event in the history of the USA.
The tallest volcano in the Tibesti Mountain Range is Emi Koussi, at 3,451 metres.