Sinabung volcano (Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 15 May-21 May 2019 (New Activity / Unrest)

PVMBG reported that white plumes rose as high as 700 m above Sinabung's crater rim during 13-21 May. On 20 May the Alert Level was lowered to 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. PVMBG noted that the seismic activity surrounding the recent ash emissions during 7 and 11-12 May were not indicative of renewed activity.

Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)
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From: Global Volcanism Program, 2019. Report on Sinabung. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 15 May-21 May 2019. Smithsonian Institution and US Geological Survey.