Arjuno and Welirang form a twin volcano near East Java's capital Surabaya. Welirang is famous for its sulphur deposits on one of its summit craters that are being quarried still using Medieval methods. [more]
Baluran is the easternmost volcano in Java and occupied the NE tip of the island. Gunung Baluran is a small andestic volcano with a broad U-shaped crater breached to the NE.
Baluran is located in the Baluran National Park which covers 25,000 hectares and is famous for its a... [more]
Mt. Bromo volcano in East Java is the active cone inside the giant Tengger caldera, one of Indonesia's most scenic locations destination in East Java, famous for its magnificient sunrise views and the panorama over the caldera with Semeru volcano in the background. [more]
Ijen volcano in East Java contains the world's largest acidic volcanic crater lake, called Kawah Ijen, famous for its turquoise color. The active crater measuring 950x600 m is known for its rich sulphur deposits which are being quarried.
The acid Kawah Ijen crater lake of Ijen volcano
The volcano is one of several active... [more]
Iyang-Argapura twin volcano is a massive complex in East Java, Indonesia, 25 km NW of the university town of Jember. It dominates the landscape between Raung and Lamongan volcanoes.
It is still considered active, although no eruptions seem to have occurred within the past ... [more]
Kawi-Butak is a broad volcanic massif with 2 vents (Kawi and Butak) immediately east of Kelut volcano and south of Arjuno-Welirang volcano and located 15 km west of the gegional capital Malang. No historical eruptions are known from Kawi and Butak, but it is considered still poss... [more]
Kelud volcano (also spelled Kelut) is one of East Java's most active volcanoes. The volcano has a spectacular large crater that contains a lake, which was a popular weekend destination but also the origin of devastating mud flows (lahars). In Oct-Nov 2007, a new lava dome grew wi... [more]
The new lava dome growing inside the lake of Kelut's crater in Nov 2007
Lamongan is a small stratovolcano in East Java located between the larger Tengger and Iyang-Argapura volcanoes. It is surrounded by numerous craters and cinder cones, forming a volcanic zone stretching 25 km E-W and 16 km N-S., and covering an area of 260 km2.
The volcano h... [more]
Lurus volcano is a small volcano on the north coast of East Java, north of the larger Iyang-Argapura massif. It is not well studied, but could potentially still be active, and pose a threat to nearby industrial areas. [more]
The informally called Malang Plain "volcano" is a group of nine ash cones, maars, and lava domes of Holocene age on the Malang Plain, SE and NE of the city of Malang. Some of these vents may in fact be flank vents of the neighboring huge Tengger volcano, although this is far from... [more]
Gunung Penanggungan is a small dormant stratovolcano dominating the view from the North coast in the Surabaya area. It is immediately to the north of the higher and more active Arjuno-Welirang twin volcano.
Penanggungan is one of Java's most revered mountains: Ancient Javan... [more]
Raung in Eastern Java in the Ijen Plateau is one of Java's most active volcanoes, with frequent explosive eruptions every few years. Raung is a massive stratovolcano constructed SW of the rim of the Ijen caldera. Its 3332-m-high, unvegetated summit of Gunung Raung is truncated by... [more]
View of the immense, 2 km wide summit crater, a small caldera surrounded by steep walls 4-500 m deep.
Semeru, the highest volcano on Java, and one of its most active, lies at the southern end of a volcanic massif extending north to the Tengger caldera. Semeru, a favourite mountain trekking destination, has been in almost continuous eruption since 1967. It is known for its regular... [more]
Night time mild eruptions from Semeru