Based on satellite and wind model data, and statements from ground-based observers, the Darwin VAAC reported that during 7-13 August ash plumes from Dukono rose to altitudes of 1.8-2.1 km (6,000-7,000 ft) a.s.l.
and drifted in multiple directions.
Ashfall was reported on 8 August at the Galela Airport, Maluku Utara, 17 km NW.
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)