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Manam volcano (Papua New Guinea) - Smithsonian / USGS Weekly Volcanic Activity Report for 6 November-12 November 2019 (New Activity / Unrest)

Ср, 6 ноя 2019, 06:00
06:00 AM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
RVO reported that at 1330 on 2 November a single large explosion at Manam generated a dense dark ash plume that rose 1 km above the summit and drifted NW. A shock wave was felt at the Bogia Government station (about 40 km SE) about 1 minute later. RSAM values on 6 November fluctuated between 250 and 360 units but began to increase around 1430 and triggered alerts around 1445.
Values continued to increase and reached 400-500 units, heralding an eruption which began during 1600-1630. A gray ash plume rose 1 km and drifted NW. Incandescent material ejecting from the vent was visible at the start of the eruption and became more visible as the evening grew darker.
The eruption peaked in intensity around 1930, then declined and ceased during 2100-2200.

Source: Rabaul Volcano Observatory (RVO)
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From: Global Volcanism Program, 2019. Report on Manam. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 6 November-12 November 2019. Smithsonian Institution and US Geological Survey.

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Manam вулкан
ВУЛКАН 1807 m / 5,928 ft
Papua New Guinea, -4.08°S / 145.04°E
Текущее состояние: незначительные действия или извержения предупреждение (3 из 5) Manam Вулкан-извержения:
ongoing since Aug 2010 (31 July 2015: large vulcanian explosion), 2004 (24 Oct: subplinian eruption) - Dec 2009, Oct 2003 - March 2004, 2003 (May), 2002 (Oct -?), 2002 (Jan-Mar), 2001 (June), 2000 (June), 1974-1999, 1965-66, 1963-64, 1963, 1962, 1961, 1959-60, 1959, 1956-58, 1954, 1953, 1946-47, 1936-39, 1932-34, 1926-28, 1925, 1924?, 1923, 1922, 1920-21, 1919, 1917, 1909-14?, 1907?, 1904, 1904, 1901-02?, 1899, 1887-95, 1885, 1884?, 1887, 1830, 1700, 1643, 1616
Типичный извержения стиль
explosive
Satellite image of Manam volcano (c) Google
Satellite image of Manam volcano (c) Google
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