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Ulawun is a basaltic and andesitic stratovolcano situated on the island of New Britainmarker, Papua New Guineamarker, about 130 km southwest of Rabaulmarker. It is the highest mountain in the Bismarck Archipelagomarker at , 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 1700s.

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


  • 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

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