Ulawun

Ulawun
Ulawun issuing passive steaming
Elevation	2,334 m (7,657 ft)
Prominence	2,334 m (7,657 ft)
Listing	Ultra
Location
Ulawun West New Britain, Papua New Guinea
Coordinates	5°03′00″S 151°20′00″E / 5.05°S 151.3333333°E / -5.05; 151.3333333Coordinates: 5°03′00″S 151°20′00″E / 5.05°S 151.3333333°E / -5.05; 151.3333333
Geology
Type	Stratovolcano
Volcanic arc/belt	Bismarck volcanic arc
Last eruption	2011

A steam plume over the sea from the Ulawun is clearly visible on this satellite image.

Ulawun is a basaltic and andesitic stratovolcano situated on the island of New Britain, Papua New Guinea, about 130 km southwest of Rabaul. It is the highest mountain in the Bismarck Archipelago at 2,334 metres (7,657 ft), and one of the most active volcanoes in Papua New Guinea. The first recorded eruption of Ulawun was by William Dampier in 1700. Several thousand people live near the volcano; there have been 22 recorded eruptions since the 18th century.

Recent activity

The last few years have seen almost constant activity at Ulawun, with frequent small explosions.

Volcanoes in Papua New Guinea are some of the world's most prolific sources of sulphur dioxide. Recent studies have shown that Ulawun releases about 7 kg/s of SO₂, which is about 2% of the global total of SO₂ emissions into the atmosphere.

See also

• List of volcanoes in Papua New Guinea

References

• McGonigle A.J.S., Oppenheimer C., Tsanev V.I. et al. (2004), Sulphur dioxide fluxes from Papua New Guinea's volcanoes, Geophysical Research Letters, v. 31, issue 8

External links

• Information from the Papua New Guinea Geological Survey
• "Ulawun". Global Volcanism Program, Smithsonian Institution. http://www.volcano.si.edu/world/volcano.cfm?vnum=0502-12=. Retrieved 2010-03-15.