Kawah Ijen: The blue fire volcano - What kind of fire burns blue in the dark? How can a lake be more acidic than battery acid? Deep inside Indonesia’s Kawah Ijen volcano, nature creates a spectacle few have ever witnessed. According to Geology.com, the glowing blue flames and acidic waters are real — and far more dangerous than they seem. But what lies beneath the surface of this volcanic giant? | The Brain Maze

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

The most worthwhile expense at Mount ljen volcano in Indonesia. The price of the Ijen Crater trolley service is approximately USD 90 to go up and down the mountain. #ijen #ijencrater #mountijen #hiking #mountain | Agus S Maruf