PVMBG reported that at 1628 on 9 June an eruption at Sinabung produced a dense black-gray ash plume that rose around 7 km above the summit, drifted W and SW, and generated pyroclastic flows that traveled 3.5 km SE and 3 km S.
Roaring was heard at the Sinabung observation post.
Continuous emissions were visible rising 500 m above the summit for a period on 10 June.
The Alert Level remained at 3 (on a scale of 1-4), with a general exclusion zone of 3 km and extensions to 5 km on the SE sector and 4 km in the NE sector.
Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)