Mud Volcanoes near Qobustan, Azerbaijan (Photo: WNomad)
The mightly caldera of Tambora volcano - the site of the largest known historic volcanic explosion in the world: the volcano was decapitated during its violent explosion in (Photo: Tom Pfeiffer)
Mount Bromo, is an active volcano and part of the Tengger massif, in East Java, Indonesia. At 2,329 metres it is not the highest peak of the massif, but is the most well known. | Photo of the Day / VolcanoDiscovery - by Uwe Ehlers / geoart.eu: Bromo volcano eruption
The crater lake of Ijen (Photo: Ivana Dorn) The Ijen volcano complex is a group of composite volcanoes in the Banyuwangi Regency of East Java, Indonesia. It is inside a larger caldera Ijen, which is about 20 kilometres wide.