Based on satellite and wind model data, the Darwin VAAC reported that on 9 January ash plumes from Dukono rose to 1.8 km (6,000 ft) a.s.l.
and drifted NW.
On 13 January ash plumes rose to 2.1 km (7,000 ft) a.s.l.
and drifted E.
The Alert Level remained at 2 (on a scale of 1-4), and the public was warned to remain outside of the 2-km exclusion zone.
Sources: Darwin Volcanic Ash Advisory Centre (VAAC),Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)