Stunning Electric-Blue Flames Erupt From Volcanoes

Burning sulfur forms lava-like rivers of light at Indonesia's Kawah Ijen volcano and other craters.
Indonesia's Kawah Ijen and other craters emit rivers of light from burning sulfur.

The Magic of Mount Ijen: An Adventure to a Blue Flame Volcanic

38 - Sub Specie Aeternitatis (Ijen Plateau, East Java, Indonesia) —

Stunning Electric-Blue Flames Erupt From Volcanoes

Kawah Ijen Volcano: Blue Fire and Sunrise Hike - Erika's Travels

Ijen - Wikipedia

Project UAT — asylum-art: Stunning Electric-Blue Flames Erupt

Stunning electric-blue light erupt from volcanoes - kobi lighting

Sulphur, the Earth's Coolant – Asian Geographic Magazines

Dandy Digs Unofficial

WATCH: Stunning electric-blue Lava erupts from volcano at night in