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Below is a summary of eruption dates and Volcanic Explosivity Indices (VEI).

The following references are the sources used for data regarding this volcano. References are linked directly to our volcano data file. Discussion of another volcano or eruption (sometimes far from the one that is the subject of the manuscript) may produce a citation that is not at all apparent from the title. Additional discussion of data sources can be found under Volcano Data Criteria.

Cooke R J S, Johnson R W, 1978. Volcanoes and volcanology in Papua New Guinea. {Geol Surv Papua New Guinea Rpt}, 78/2: 1-46

Fisher N H, 1957. Melanesia. {Catalog of Active Volcanoes of the World and Solfatara Fields}, Rome: IAVCEI, 5: 1-105

Lowder G G, Carmichael I S E, 1970. The volcanoes and caldera of Talasea, New Britain: geology and petrology. {Geol Soc Amer Bull}, 81: 17-38

Bola volcano (also known as Wangore) is a symmetrical stratovolcano, located immediately SW of Dakataua caldera, that forms the 1155-m high point of the Willaumez Peninsula. The forested andesitic cone has a well-preserved, 400-m-wide crater with a 100-m-high eastern wall and a low western rim. Three large explosion craters occupy the NE flank of Bola. The most recent lava flow issued from the summit crater and flowed to the west. This viscous flow is at least 50 m thick, leaving an irregularity in the profile of the volcano. The pristine summit crater and weak fumarolic activity suggested to Lowder and Carmichael (1970) that the most recent eruption may have been only a few hundred years ago.