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

Sa, 2. Apr 2022, 00:17
00:17 AM | VON: MARTIN
Partially covered phoenix clouds by from pyroclastic flow at Merapi volcano today (image: PVMBG)
Partially covered phoenix clouds by from pyroclastic flow at Merapi volcano today (image: PVMBG)
A pyroclastic flow (hot avalanche of lava particles and ash) descended the southwestern flank of the volcano at 15:00 local time today, reaching approx. 1500 m distance from the summit. 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 pyroclastic density currents (so-called phoenix clouds) that rose above the crater. The visibility of the event was very limited due to dense clouds.
Events were detected on a seismic signal with maximum amplitudes of 35 mm and a duration of 94 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 1 April 2022

Vorherige Nachrichten

Mi, 30. Mär 2022, 19:54

Merapi volcano (Central Java) - Smithsonian / USGS Weekly Volcanic Activity Report for 23 March-29 March 2022 (Continuing Activity)

BPPTKG reported no significant morphological changes at Merapi's summit lava dome during 18-24 March, but the height of the dome below the SW rim had increased by 4 m. Seismicity remained at high levels; the intensity of the signals had increased compared to the previous week. As many as 51 lava avalanches originating from the SW dome traveled a maximum of 2 km down the Bebeng drainage on the SW flank. ... Read all
Mi, 23. Mär 2022, 19:35

Merapi volcano (Central Java) - Smithsonian / USGS Weekly Volcanic Activity Report for 16 March-22 March 2022 (Continuing Activity)

BPPTKG reported no significant morphological changes at Merapi's summit lava dome during 11-17 March, but the height of the dome below the SW rim had decreased by 2 m. Seismicity remained at high levels; the intensity of the signals had increased compared to the previous week. As many as 119 lava avalanches originating from the SW dome traveled a maximum of 2 km down the Bebeng drainage on the SW flank. ... Read all
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Merapi Vulkan
Stratovolcano 2968 m / 9,737 ft
Central Java, Indonesia, -7.54°S / 110.44°E
Aktueller Status: Ausbruch (4 von 5) Ausbrüche des Merapi:
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
Typische Aktivität
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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