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Manam volcano (Papua New Guinea) - Smithsonian / USGS Weekly Volcanic Activity Report for 29 July-4 August 2020 (New Activity / Unrest)

Wed, 29 Jul 2020, 06:00
06:00 AM | BY: VN
RVO reported that seismicity at Manam began increasing on 16 July and fluctuated between low and moderate levels through the 29th. A slow steady increase of RSAM values was recorded on 30 July, and RVO stated that an observer had reported that incandescent material had been ejected from the summit. The Darwin VAAC noted that a sustained and intense thermal anomaly was visible in satellite images that same day.
During 31 July-1 August ash plumes drifted NW at an altitude of 4.3 (14,000 ft) a.s.l. and a lava flow at the summit was visible.

Sources: Rabaul Volcano Observatory (RVO), Darwin Volcanic Ash Advisory Centre (VAAC)
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From: Global Volcanism Program, 2020. Report on Manam. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 29 July-4 August 2020. Smithsonian Institution and US Geological Survey.

Previous news

Thu, 26 Mar 2020, 07:34

Manam volcano (Papua New Guinea): recorded eruption, first since Nov 2019

Incandescence associated with an ash plume from Manam volcano (image: Sentinel 2)
On 20 March Volcanic Ash Advisory Center (VAAC) Darwin recorded an explosion at the volcano that generated an ash plume, which reached approx. 10,000 ft (3,000 m) altitude and drifted E. ... Read all
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Manam volcano
stratovolcano 1807 m / 5,928 ft
Papua New Guinea, -4.08°S / 145.04°E
Current status: restless (2 out of 5) Manam volcano eruptions:
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
Typical eruption style
explosive
Satellite image of Manam volcano (c) Google
Satellite image of Manam volcano (c) Google
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