Report on Dukono (Indonesia) — October 1995

Bulletin of the Global Volcanism Network, vol. 20, no. 10 (October 1995)
Managing Editor: Richard Wunderman.

Dukono (Indonesia) Pilot report of plume on 25 September

Please cite this report as:

Global Volcanism Program, 1995. Report on Dukono (Indonesia). In: Wunderman, R (ed.), Bulletin of the Global Volcanism Network, 20:10. Smithsonian Institution. http://dx.doi.org/10.5479/si.GVP.BGVN199510-268010.

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Dukono

Indonesia

1.693°N, 127.894°E; summit elev. 1229 m

All times are local (unless otherwise noted)


A pilot report from a Qantas flight on the morning of 25 September described a plume to 6 km altitude that was drifting ESE. Visible satellite imagery failed to detect volcanic ash, but weather clouds in the SE sector were identified with infrared imagery.

Geologic Background. Reports from this remote volcano in northernmost Halmahera are rare, but Dukono has been one of Indonesia's most active volcanoes. More-or-less continuous explosive eruptions, sometimes accompanied by lava flows, occurred from 1933 until at least the mid-1990s, when routine observations were curtailed. During a major eruption in 1550, a lava flow filled in the strait between Halmahera and the north-flank cone of Gunung Mamuya. This complex volcano presents a broad, low profile with multiple summit peaks and overlapping craters. Malupang Wariang, 1 km SW of the summit crater complex, contains a 700 x 570 m crater that has also been active during historical time.

Information Contacts: BOM Darwin, Australia.