Merapi volcano (Central Java, Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 2 December-8 December 2020 (New Activity / Unrest)
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.
Wed, 2 Dec 2020, 06:0006:00 AM | BY: VN
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)
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.
Thu, 26 Nov 2020, 10:13
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
Merapi volcano (Central Java, Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 25 November-1 December 2020 (New Activity / Unrest)
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