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Tangkuban Parahu volcano (Western Java, Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 24 July-30 July 2019 (New Activity / Unrest)

Ср, 24 июл 2019, 06:00
PVMBG reported that a phreatic eruption at Tangkubanparahu's Ratu Crater began at 1548 on 26 July and was recorded in seismic data for about five minutes and 30 seconds. Dense blackish-gray, sediment-laden plumes rose around 200 m above the lake surface, and a lighter-colored component containing fine ash rose 600 m and spread NE and S. Tephra fell in a concentrated area within 500 m of the vent, creating deposits 5-7 cm thick.
Visitors to the Kawasan Wisata Gunung Tangkuban Parahu tourist area that borders a section of the E and SE crater rim immediately evacuated. BNPB reported that the local government closed the tourist area noting that ash fell within a 1-2 km radius, in Jayagiri Village, Lembang District, and areas of the West Bandung Regency. Activity decreased after the eruption; tremor amplitude decreased during 27-28 July, and diffuse white plumes rose from the vent.

PVMBG noted that during the previous month white plumes of variable density rose as high as 150 m above the crater floor. Small local inflation was recorded, and deformation data continued to indicate instability at least through 27 July. Hydrogen sulfide and sulfur dioxide concentrations began to increase on 10 July and then significantly declined at 1200 on 13 July.
Measurements on 21 July indicated that gas emissions continued to fluctuate but decreased overall. The Alert Level remained at 1 (on a scale of 1-4).

Sources: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM), Badan Nacional Penanggulangan Bencana (BNPB)
From: Global Volcanism Program, 2019. Report on Tangkuban Parahu. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 24 July-30 July 2019. Smithsonian Institution and US Geological Survey.

Предыдущие новости

Mon, 12 Jan 2015, 09:37

Tangkubanparahu volcano (West Java, Indonesia) activity update

Вулкан был сделан на более высокий уровень оповещений (2 в масштабе 1-4) на 31 декабря, как признаки вулканических беспорядки недавно растет (деформация, сейсмической активности). Read all
Wed, 31 Dec 2014, 06:00

Tangkuban Parahu volcano (Western Java, Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 31 December-6 January 2015 (New Activity / Unrest)

PVMBG reported that white plumes rose at most 50 m above Tangkubanparahu's Ratu Crater during October-December 2014. Deformation data showed changes and seismicity increased. On 31 December the Alert Level was raised to 2 (on a scale of 1-4). ... Read all
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Tangkubanparahu вулкан
Стратовулкан 2084 m (6,837 ft.)
Западная Ява (Индонезия), -6.77°S / 107.6°E
Текущее состояние: normal or dormant (1 из 5) Tangkubanparahu Вулкан-извержения:
1826, 1829, 1842, 1846, 1896, 1910, 1926, 1929, 1952, 1957, 1961, 1965, 1967, 1969, 1983, 1985(?), 2013 (21 Feb-6 Mar, 5 Oct), 2019
Типичный извержения стиль
Explosive. Frequent phreatic explosions during the past centuries.
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