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Report on Batu Tara (Indonesia) — 9 July-15 July 2008


Batu Tara

Smithsonian / US Geological Survey Weekly Volcanic Activity Report,
9 July-15 July 2008
Managing Editor: Sally Kuhn Sennert

Please cite this report as:

Global Volcanism Program, 2008. Report on Batu Tara (Indonesia). In: Sennert, S K (ed.), Weekly Volcanic Activity Report, 9 July-15 July 2008. Smithsonian Institution and US Geological Survey.

Weekly Report (9 July-15 July 2008)

Batu Tara

Indonesia

7.791°S, 123.585°E; summit elev. 633 m

All times are local (unless otherwise noted)


Intermittent ash plumes from Batu Tara continued to be reported by the Darwin Volcanic Ash Advisory Centre (VAAC) during 9-14 July 2008 based on satellite imagery. On 9 July the plume rose to 1.8 km (6,000 ft) altitude a.s.l. and drifted as far as 65 km WNW. A similar plume was seen during 14-15 July.

Geological Summary. The small isolated island of Batu Tara in the Flores Sea about 50 km N of Lembata (fomerly Lomblen) Island contains a scarp on the eastern side similar to the Sciara del Fuoco of Italy's Stromboli volcano. Vegetation covers the flanks to within 50 m of the summit. Batu Tara lies north of the main volcanic arc and is noted for its potassic leucite-bearing basanitic and tephritic rocks. The first historical eruption, during 1847-52, produced explosions and a lava flow.

Source: Darwin Volcanic Ash Advisory Centre (VAAC)