Mon, Sep 05, 2016  

Kawah Ijen, The Volcano That Spews Blue Flames

Since National Geographic mentioned the electric-blue flame of Ijen, tourist numbers increased. The phenomenon has occurred for a long time, but beforehand there was no midnight hiking. A two-hour hike is required to reach the rim of the crater, followed by a 45-minute hike down to the bank of the crater. The blue fire is ignited sulphuric gas, which emerges from cracks at temperatures up to 600 degrees Celsius (1,112 degrees Fahrenheit).


Photos by Olivier Grunewald
Kawah Ijen, The Volcano That Spews Blue Flames

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