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Merapi volcano (Java, Indonesia): pyroclastic flow reported yesterday

Вт, 7 дек 2021, 14:16
14:16 PM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: MARTIN
Pyroclastic flow from Merapi volcano yesterday (image: BPPTKG/twitter)
Pyroclastic flow from Merapi volcano yesterday (image: BPPTKG/twitter)
A pyroclastic flow (hot avalanche of lava particles and ash) descended the southwestern flank of the volcano yesterday, reaching approx. 1800 m distance. It resulted from a partial collapse of the growing active lava dome at the southwestern rim of the volcano's summit crater.
Ash plumes were separated from the pyroclastic density current (so-called phoenix clouds).
The event was detected on a seismic signal with a maximum amplitude of 14 mm and a duration of 160 seconds.
The public is being warned to stay at least 3 km away from the summit.
Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi volcano activity update 7 December 2021

Предыдущие новости

Wed, 1 Dec 2021, 08:06

Merapi (Indonesia) - Report for 24 November-30 November 2021

BPPTKG reported no notable morphological changes to Merapi?s SW lava dome, located just below the SW rim, or the dome in the summit crater during 19-25 November. The estimated dome volumes remained stable at 1.61 million cubic meters for the SW dome and almost 2.93 million cubic meters for the summit dome. As many as 110 lava avalanches traveled a maximum of 2 km SW. ... Read all
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Merapi вулкан
Стратовулкан 2968 m / 9,737 ft
Central Java, Indonesia, -7.54°S / 110.44°E
Текущее состояние: извергающийся (4 из 5) Merapi Вулкан-извержения:
1548, 1554, 1560, 1584, 1586(?), 1587, 1658, 1663, 1672, 1678, 1745, 1752, 1755, 1768, 1791, 1797, 1807, 1810, 1812-22, 1822-23, 1828, 1832-36, 1837-38, 1840, 1846, 1848(?), 1849, 1854(?), 1861, 1862-64, 1865-71, 1872 (large vulcanian-subplinian eruption VEI:4) , 1872-73, 1878-79, 1883-84, 1885-87, 1888, 1889, 1891-92, 1893, 1894, 1897, 1902, 1902-04, 1905, 1906-07, 1908, 1909-13, 1915, 1918, 1920-21, 1922, 1923(?), 1924, 1930-31, 1932, 1933-35, 1939-40, 1942-45, 1948, 1953-58, 1961, 1967-1970, 1971(?), 1972-85, 1986-90, 1992-2002, April-July 2006, Oct 2010-2011 Feb, 2018 (May), late 2018 - ongoing
Типичный извержения стиль
Highly explosive. Large Plinian eruption every few 1000 of years (the last ones at about 1000 BP and 2000 BP), sometimes with associated flank collapse. Growth of lava domes, pyroclastic flows.

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