823K views · 1.5K reactions | The volcano with blue ‘lava’ and a lake of pure acid… With a lake of pure acid and strange blue flames that emanate from beneath the volcano, Kawah Ijen is surely one of the most dangerous places to work in the world. Yet people risk their lives to work at the crater…geologist Dr Glyn Williams-Jones and filmmaker Régis Etienne explain why. #Volcanic | BBC Earth | Facebook

The Phenomenon of Blue Lava Despite its name, blue lava isn't actually molten rock glowing blue. It's a breathtaking visual effect found at the Kawah Ijen volcano in Indonesia. This stunning blue color is caused by the combustion of high-pressure sulfuric gases. As these gases escape from volcanic vents and come into contact with oxygen-rich air, they ignite and burn with a vibrant, electric blue flame. This spectacular "blue fire" can be seen flowing down the volcano's slopes, creating the illu

16K views · 55 reactions | A video filmed by tourists in Indonesia shows blue lava spilling from volcano… | Brut | Facebook

308K views · 4.9K reactions | WOW Amazing Blue Lava | #Geology...

The only place on Earth where you can witness luminous blue fire inside a volcano is Kawah Ijen, located in Indonesia. The eerie blue glow is not lava—it’s caused by ignited sulfuric gases that emerge at extremely high temperatures and burn with an electric-blue flame when they contact oxygen. The phenomenon is visible only at night and has made Ijen one of the most unusual geological sites on the planet. Key Facts: • Only volcano with visible blue flames • Caused by burning sulfuric gases, not