El azufre en combustión desprende espectaculares llamas azules en el volcán Kawah Ijen, en la isla indonesia de Java, que solo son visibles de noche. | Revista National Geographic en español

The Blue Flames Aren’t Lava—They’re Burning Sulfur At Kawah Ijen in Indonesia, rivers of glowing electric blue light flow down the volcano at night. Despite appearances, this isn’t molten rock—it’s liquid sulfur burning at about 1,110°F (600°C) as it ignites on contact with air. The rare phenomenon occurs where sulfur-rich gases escape and condense into liquid before igniting. Important Details: • Known as “blue lava” phenomenon • Actually burning liquid sulfur • Temperature around 1,110°F • Vis

Ijen Volcanic Blue Fire So lucky to see the baby blue fire 😍 One of only two places in the world to see blue fire. One in Iceland, one right beneath my feet, Ijen Volcano - Indonesia. 📹 : bai qie niangao #fblifestyle | Agus S Maruf