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Report on Dukono (Indonesia) — 12 March-18 March 2014


Dukono

Smithsonian Institution / US Geological Survey
Weekly Volcanic Activity Report, 12 March-18 March 2014
Managing Editor: Sally Sennert.

Please cite this report as:

Global Volcanism Program, 2014. Report on Dukono (Indonesia) (Sennert, S, ed.). Weekly Volcanic Activity Report, 12 March-18 March 2014. Smithsonian Institution and US Geological Survey.

Weekly Report (12 March-18 March 2014)

Dukono

Indonesia

1.6992°N, 127.8783°E; summit elev. 1273 m

All times are local (unless otherwise noted)


Based on analyses of satellite imagery and wind data, the Darwin VAAC reported that on 14 March an ash plume from Dukono rose to an altitude of 2.1 km (7,000 ft) a.s.l. and drifted 90-160 km NW. During 16-17 March ash plumes drifted 130-150 km SW at an altitude of 2.4 km (8,000 ft) a.s.l.

Geological Summary. 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, have occurred since 1933. During a major eruption in 1550 CE, a lava flow filled in the strait between Halmahera and the N-flank Gunung Mamuya cone. 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.

Source: Darwin Volcanic Ash Advisory Centre (VAAC)