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VIRAL VIDEO : Unusual Electric Blue Flame Eruption from Indonesian Volcano Amazes Viewers
A video of a volcano in Indonesia spewing electric-blue flames has become a viral sensation. The unusual blue glow, captured by photographer Olivier Grunewald at the Kawah Ijen volcano, is caused by the combustion of sulphuric gases. The video, initially recorded a few years ago, has resurfaced on social media and is drawing attention once again. It was featured in a documentary released by Mr. Grunewald in collaboration with Geneva's Society for Volcanology.