File: krakatau_g4755.jpg | Hits
More on VolcanoDiscovery:
Etna's steam rings
: A collection of fantastic vortex rings ("smoke rings") we observed recently on Etna.
Blue flames of burning sulfur
: Ijen volcano in East Java has one of the most impressive sulfur deposits on earth. They are so hot that the sulfur often ignites - a mysterious display at night caught on camera.
Do you know which is the biggest volcano in the world?