@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/eJ63IrTX4r https://t.co/DLj51A9Qof

@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/eJ63IrTX4r https://t.co/DLj51A9Qof