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Report on Dukono (Indonesia) — 10 April-16 April 2019


Dukono

Smithsonian Institution / US Geological Survey
Weekly Volcanic Activity Report, 10 April-16 April 2019
Managing Editor: Sally Sennert.

Please cite this report as:

Global Volcanism Program, 2019. Report on Dukono (Indonesia) (Sennert, S, ed.). Weekly Volcanic Activity Report, 10 April-16 April 2019. Smithsonian Institution and US Geological Survey.

Weekly Report (10 April-16 April 2019)

Dukono

Indonesia

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

All times are local (unless otherwise noted)


Based on satellite and wind model data, the Darwin VAAC reported that during 10-12 and 15-16 April ash plumes from Dukono rose as high as 2.4 km (8,000 ft) a.s.l. and drifted in multiple directions. The Alert Level remained at 2 (on a scale of 1-4), and visitors were warned to remain outside of the 2-km exclusion zone.

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)