Sumbing Volcano (Central-Java) – Indonesia Read about Sumbing volcano at: The Smithsonian’s Global Volcanism Program Sumbing volcano seen from the South. Sumbing`s summit. Sumbing is the volcano in front. Photo taken from the base of Merapi. Sumbing and Sindoro Volcano (May 2012) during sunrise. Sumbing and Sindoro Volcano (May 2012) Sumbing and Sindoro Volcano (May 2012)