Sinabung (Indonesia) - Report for 28 April-4 May 2021

PVMBG reported that the eruption at Sinabung continued during 28 April-4 May.
Weather conditions sometimes prevented visual observations of the volcano, though white fumarolic plumes were visible almost daily rising as high as 500 m above the summit and drifted in multiple directions.
At 0728 on 28 April an ash plume rose 1 km and drifted SSW.
At 1810 an ash plume rose 1 km and drifted SSE and an incandescent avalanche descended 1.5 km down the SSE flank.
At 2346 an ash plume rose 1.5 km and drifted W and SW, and another incandescent rockfall traveled 1.5 km SSE.
Eruptive events produced ash plumes that rose 500-1,000 m above the summit during 30 April-1 May.
Avalanches of material traveled as far as 1.5 km E and 1 km SE during 1-3 May.
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 in the SE sector and 4 km in the NE sector.

Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)

Fonte/Source: Global Volcanism Program/Smithsonian Institution


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