Science, Maths & Technology
Why do volcanoes erupt?
...Public domain]] Rocks on Vulcano, a volcanic island in the Med [Image:LucaLuca in Public domain] Other styles of explosive eruption are determined by the relationship between volatiles and magma. Sometimes a volcanic conduit is choked by debris from earlier eruptions, and this is cleared out by explosive release of gas from an underlying magma chamber. Little or no fresh...