Ibu, Halmahera, Indonesia

Location: 1.5N, 127.6E
Elevation: 1,325 m

CURRENT ACTIVITY

The nested sumit craters of Mt. Ibu. A brand new lava dome can be seen within the central crater, emitting a plume of volcanic gases. This eruption began in late 1998 with a series of mild explosions and lava consuming the vegetation within the crater. Note the recent death of the vegetation surrounding the crater. May 2000 - Photograph copyrighted and provided by Dan Olberg, Senior Geologist, PT Nusa Halmahera Minerals.


A closer look at the lava dome within the Mt. Ibu crater. May 2000 - Photograph by Bruce Gemmell, PT Nusa Halmahera Minerals. Ibu is a stratovolcano with a single historic eruption in 1911. The eruption was explosive (VEI=2) and lasted only three days.


Sources of Information:

Carlile, J.C., Davey, G.R., Kadir, I., Langmead, R.P., and Rafferty, W.J., 1998, Discovery and exploration of the Gosowong epithermal gold deposit, Halmahera, Indonesia: Journal of Geochemical Exploration, v. 60, p. 207-227.

Kusumadinata, K., 1977, Data on the Dukono volcano; Berita Direktorat Geologi, v. 9, no. 16, p. 183.

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

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



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