Ijen crater tour from Bali 1 Day | From Seminyak | from Ubud The blue fire is ignited with sulphuric gas, which emerges from cracks at temperatures up to 600 degrees Celsius (1,112 degrees Fahrenheit). Those gases are directly originated from the magmatic chamber under the volcano. The flames can be up to 5 metres … Lanjutkan membaca Ijen crater tour from Bali 1 Day | From Seminyak |from Ubud