Bagana Volcano and Balbi Volcano, Bougainville Island

Last Updated: 24 August 2000

Bagana (6.1S, 155.1E) is a lava cone with 24 known eruptions since 1842. It is the most active volcano on Bougainville Island which is located in the Southwest Pacific. Activity usually includes growth of lava domes, nuees ardentes and blocky lava flows. The most recent eruption was from 1972 to 1993. Mount Balbi (5.8S,155.0E) (in background of photo) is a Holocenestratovolcano that has not erupted in historic time. Slide courtesy of the U.S. Geological Survey.

Sources of Information:

Simkin, T., and Siebert, L., 1994, Volcanoes of the World: Geoscience Press, Tucson, AZ, 349 p.

McClelland, L., Simkin, T., Summers, M., Nielsen, E., and Stein, T.C., 1989, Global Volcanism 1975-1985, Prentice Hall, Englewood Cliffs, New Jersey, 655 p.

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