Steam issues from the sulfur-encrusted Wurlali fumarole field, which is a source of sulfur extraction. Fumarolic areas at Wurlali occur in the summit crater and on the SE flank.

Photo by K. Sumaryano, 1994 (Volcanological Survey of Indonesia).

This image is made available under the Creative Commons BY-NC 4.0 license terms.

Wurlali