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Wednesday, Apr 10, 2013
More explosions have occurred. Ash emissions reached 7,000 ft (2.1 km) altitude, VAAC Darwin reported.
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Sunday, Apr 07, 2013
A stronger eruptive phase has been occurring since last night. Several ash plumes reaching 10,000 ft (3 km) altitude have been observed drifting 45 nautical miles to the WSW (VAAC Darwin).
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Bagana volcano eruptionslava cone (stratovolcano) 1750 m / 5,741 ft
Bougainville Island, Papua New Guinea, -6.14°S / 155.2°E Eruption list: 2012, 1972-2011, 1970-71, 1968, 1966-67, 1964-65, 1962-63, 1961, 1959(?)-60, 1953, 1952, 1948-51, 1945-47, 1943, 1939, 1938, 1937, 1909(?), 1908, 1899, 1897, 1894-95, 1883, 1865-83, 1842 2008-11 activityBagana continues to erupt small ash explosions from time to time, producing ash plumes that rise to 2.4-3 km altitude and are monitored by the Darwin VAAC.2008 earthquakeA magnitude 6.2 earthquake occurred 38 km SW of Bagana volcano on Tuesday 23 December 2008.2007-08 eruptionsLava flows, ash explosions and pyroclastic flows occurred at Bagana volcano between June 2007 and March 2008. [more] 2004 eruptionsIn April and May 2004, Bagana produced lava flows which traveled 3 km from the summit and came within 3 km of some villages.1962 eruptionBagana's activity increased in early 1962 and culminated in a major strombolian-type eruption on 15 February. Lava bursts followed at intervals of 5-10 minutes. Earthquakes and ash emissions continued until April.1950 eruptionThe first time pyroclastic flows were reported from remote Bagana volcano was in 1950, when the summit contained a lava dome, which generated pyroclastic flows by partial collapse. Violent explosions occurred between June and October 1950 and were accompanied by intense earthquakes and loud ash explosions generating ash plumes rising to up to 3-4 km altitude.1943 effusive eruptionA new lava flow appeared on the NNE flank of Bagana volcano in late March or early April 1943, as aerial photos taken between 18 February and 7 April showed.1937 eruptionThe sound of a loud explosion from Bagana was heard in Kieta village 50 km away in September 1937, when a new eruption began at Bagana. The The Sydney Morning Herald reported on 9 September:"A violent volcanic eruption began on Tuesday morning at Mt. Bagana, near Kieta, on the island of Bougainville, 250 miles south-east of Rabaul. Columns of smoke rose more than 15,000 feet. There is no danger to the township of Kieta but the area near the mountain is thickly populated by natives." 1875 eruptionDense steam and ash clouds were observed at Bagana volcano from the German ship SMS Gazelle on 25 August 1875. [more] |
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