@CNN: Blue flames glow following the eruption of the Kilauea volcano in Hawaii. Methane gas is produced when lava burns vegetation, which when ignited produces a blue flame https://t.co/0B9RIEjPHX https://t.co/wZUQcJEC7p

@CNN: Blue flames glow following the eruption of the Kilauea volcano in Hawaii. Methane gas is produced when lava burns vegetation, which when ignited produces a blue flame https://t.co/0B9RIEjPHX https://t.co/wZUQcJEC7p