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Merapi volcano (Java, Indonesia): field report, growing lava dome triggers pyroclastic flows

Пт, 7 янв 2022, 22:17
22:17 PM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: MARTIN
Incandescent avalanches from the lava dome (image: Andi Volcanist/Volcano Discovery Indonesia)
Incandescent avalanches from the lava dome (image: Andi Volcanist/Volcano Discovery Indonesia)
Pyroclastic flow from the Merapi's lava dome (image: Andi Volcanist/Volcano Discovery Indonesia)
Pyroclastic flow from the Merapi's lava dome (image: Andi Volcanist/Volcano Discovery Indonesia)
Visual field observations during 30 Dec-5 Jan of our expedition leader and guide from VolcanoDiscovery Indonesia, Andi Volcanist, reported many pyroclastic density currents of which one large rockfall event occurred. Glowing lava blocks detached from the active lava dome and spread out over the southwestern slope reaching length of 2000 m.
The local observatory's seismic station detected seismic signals with a maximum amplitude of 25 mm and a duration of 223 seconds on 7 January.

Предыдущие новости

Wed, 5 Jan 2022, 15:41
BPPTKG reported no notable morphological changes to Merapi's summit lava dome, though the dome just below the SW rim had increased about 2 m in height during 31 December 2021 to 6 January 2022. The estimated dome volumes were over 1.67 million cubic meters for the SW dome and just over 3 million cubic meters for the summit dome. The intensity of the seismic signals remained at high levels. ... Read all
Wed, 29 Dec 2021, 16:26
BPPTKG reported no notable morphological changes to Merapi's summit lava dome, though the dome just below the SW rim had decreased about 3 m in height during 24-30 December. The estimated dome volumes were over 1.63 million cubic meters for the SW dome and just over 3 million cubic meters for the summit dome. The intensity of the seismic signals remained at high levels. ... Read all
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