congenitaldisease: This volcano in Indonesia produces blue lava. This is caused by the combustion of sulphuric gasses at very high temperatures. 

congenitaldisease: This volcano in Indonesia produces blue lava. This is caused by the combustion of sulphuric gasses at very high temperatures. 

tags: PNW,

from: https://xxvii-mcmxciv.tumblr.com/post/138740862757