There are some rumblings around Iceland at the moment as volcanologists fear a large-scale eruption in the south-west of the island nation ... The town of Grindavik has been evacuated after a series of earthquakes over the past couple of weeks raised fears that a river of magma underneath the Reykjanes Peninsula could be getting ready to blow. Benjamin Hennig is a geographer and an associate professor of geography at the University of Iceland.