Supervolcanoes 101

They are amongst the most destructive forces on the planet – and while evidence exists of colossal, climate-altering eruptions in ancient history exist, the closest we've come to a recent super volcano eruption was in 1815 in Indonesia, and became known as 'The Year Without a Summer.' 

Despite this, millions live within the sway of active supervolcanoes around the world today. Here's what we know about them.