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The crater of Welirang volcano and a large bread-crust bomb from the 1952 eruption
The crater of Welirang volcano and a large bread-crust bomb from the 1952 eruption

Sulphur mining at Welirang volcano
Sulphur mining at Welirang volcano
 

Arjuno-Welirang volcano

Stratovolcano 3339 m (10,955 ft)
East Java, Indonesia, -7.73°S / 112.58°E
Current status: normal or dormant (1 out of 5) | Reports
Arjuno-Welirang volcano books
Typical eruption style: Moderately explosive. Construction of cinder cones and lava domes. Fumarolic activity at present.
Arjuno-Welirang volcano eruptions: 1950, 1952, 1991(?)No recent earthquakes
TimeMag. / DepthDistanceLocation
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.

Background:

The twin volcanoes of Arjuno and Welirang anchor the SE and NW ends, respectively, of a 6-km-long line of volcanic cones and craters. The Arjuno-Welirang complex overlies two older volcanoes, Gunung Ringgit to the east and Gunung Linting to the south. The summit areas of both Arjuno and Welirang volcanoes are unvegetated. Additional pyroclastic cones are located on the north flank of Gunung Welirang and along an E-W-trending line cutting across the southern side of Gunung Arjuno that extends to the lower SE flank. Fumarolic areas with sulfur deposition occur at several locations on Gunung Welirang.
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Source: GVP, Smithsonian Institution


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