19K views · 1.1K reactions | Sometimes it’s good to have the blues  The electric-blue light from the Kawah Ijen volcano in Indonesia is visible only in the darkness. #ParadiseIslands | National Geographic TV | Facebook

The world’s only volcano that produces luminous blue fire is Kawah Ijen in Indonesia. The glowing flames are not lava—they’re caused by burning sulfuric gases igniting upon contact with oxygen at extremely high temperatures. The phenomenon is visible only at night. Important Details: • Only volcano with visible blue flames • Caused by ignited sulfur gases • Not molten lava • Visible only after dark • Result of extreme geothermal heat #EarthMysteries #VolcanoFacts #BlueFire #Geology #NaturalWonde

In Indonesia’s Kawah Ijen volcano, fire burns bright blue instead of red — a rare natural phenomenon created by ignited sulfuric gas. By night, it glows like liquid lightning. By day, it disappears into smoke. A place where beauty and danger share the same flame. Watch this 15-second cinematic wonder from Project Dangerous, where Earth reminds us that even fire can surprise us. 🌋 Follow for more cinematic natural phenomena, real-world mysteries, and dangerous wonders of our planet. #ProjectDang