Mount Wurlali (also known as Mount Damar) is an

andesitic Andesite () is a volcanic rock of intermediate composition. In a general sense, it is the intermediate type between silica-poor basalt and silica-rich rhyolite. It is fine-grained (aphanitic) to porphyritic in texture, and is composed predomina ...

stratovolcano A stratovolcano, also known as a composite volcano, is a typically conical volcano built up by many alternating layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with ...

Damar Island Damer, or Damar, (), also called Kenli Island, is a small volcano, volcanic island in the Barat Daya Islands group in Indonesia's Maluku (Indonesian province), Maluku province, on the southern side of the Banda Sea. It is flanked by four smaller ...

in the

Banda Arc The Banda Arc (main arc, Inner, and Outer) is a dual chain of islands in eastern Indonesia that is around 2,300 km long. It is the result of the collision of a continent and an intra-oceanic island arc. The presently active volcanic arc is ...

system.

Fumarolic A fumarole (or fumerole) is a vent in the surface of the Earth or another rocky planet from which hot volcanic gases and vapors are emitted, without any accompanying liquids or solids. Fumaroles are characteristic of the late stages of volcani ...

activities with

sulfur Sulfur ( American spelling and the preferred IUPAC name) or sulphur ( Commonwealth spelling) is a chemical element; it has symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms ...

deposits are found at the

twin summit Twins are two offspring produced by the same pregnancy.MedicineNet > Definition of Twin Last Editorial Review: 19 June 2000 Twins can be either ''monozygotic'' ('identical'), meaning that they develop from one zygote, which splits and forms two e ...

crater A crater is a landform consisting of a hole or depression (geology), depression on a planetary surface, usually caused either by an object hitting the surface, or by geological activity on the planet. A crater has classically been described ...

s and on the southeast flanks. Wurlali is the most active volcano of the Banda Arc in historical times. It lies at the northern end of a five-kilometer-wide caldera. The southwest flank of the crater contains sulfur deposits. The last eruption took place in 1892. In 1993 there was an earthquake,

landslides Landslides, also known as landslips, rockslips or rockslides, are several forms of mass wasting that may include a wide range of ground movements, such as rockfalls, mudflows, shallow or deep-seated slope failures and debris flows. Landslide ...

, and smoke. Four-thousand people were evacuated. On January 23, 2003, there was an earthquake with a magnitude of 6.1. Close to the beach, south-west of the volcano, hot springs emerged.

References

Volcanoes of the Lesser Sunda Islands Stratovolcanoes of Indonesia Active volcanoes of Indonesia Holocene stratovolcanoes {{Maluku-geo-stub

See also

References