Volcanic gas emissions from a sulfur-encrusted fumarole at Kawah Mas ("Golden Crater") at Papandayan. The crater contains a large number of high-temperature fumaroles with temperatures of several hundred degrees Celsius.

Photo by Lee Siebert, 1995 (Smithsonian Institution).

This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.

Keywords: geothermal | gas | degassing | sulfur | mineral deposit

Papandayan