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Merapi volcano (Central Java, Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 2 December-8 December 2020 (New Activity / Unrest)

Wed, 2 Dec 2020, 06:00
06:00 AM | BY: VN
BPPTKG and PVMBG reported that during 27 November-8 December white emissions from Merapi rose as high as 600 m above the summit. Rock avalanches were heard, though not visually confirmed due to weather conditions. A comparison of photos taken on 26 and 29 November showed no morphology changes in the summit area.
Seismicity was higher than the previous week. Electronic Distance Measurement (EDM) data continued to measure a distance shortening between points in the NW at a rate of 11 cm per day. The Alert Level remained at 3 (on a scale of 1-4).

Sources: Balai Penyelidikan dan Pengembangan Teknologi Kebencanaan Geologi (BPPTKG), Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)
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From: Global Volcanism Program, 2020. Report on Merapi. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 2 December-8 December 2020. Smithsonian Institution and US Geological Survey.

Previous news

Thu, 26 Nov 2020, 10:13
The lava dome of Merapi volcano (image: @merapi_uncover/twitter)
PVMBG reported that the activity of the volcano continues at seismic elevated levels over the past month. The seismic instruments detected approx. 490 volcano-tectonic earthquakes. ... Read all
Wed, 25 Nov 2020, 06:00
BPPTKG reported that during 20-26 November white emissions from Merapi rose as high as 750 m above the summit. Avalanches of material traveled down the flanks, as far as 1 km in the Lamat drainage (W flank) at 0648 on 22 November. A comparison of photos taken on 19 and 26 November showed morphology changes in the summit area from a collapse of part of the 1954 dome. ... Read all
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