Pago Volcano, Papua New Guinea
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Pago Volcano, Papua New Guinea
Freshly emplaced, steaming lava flows trend SSE towards the summit of Pago volcano in this September 16, 2002 view.
Pago is a young post-caldera cone that was constructed within the 5.5 x 7.5 km Witori caldera, which formed about 3300 years ago.
Since its formation a few hundred years ago, Pago has grown to a height above that of the Witori caldera rim.
A series of ten dacitic lava flows from Pago, one of which underlies the area of scorched vegetation left of the 2002 lava flows, covers much of the caldera floor.
Pago is a young post-caldera cone that was constructed within the 5.5 x 7.5 km Witori caldera.
The Buru caldera cuts the SW flank of Witori volcano.
The gently sloping outer flanks of Witori volcano consist primarily of dacitic pyroclastic-flow and airfall deposits produced during a series of five major explosive eruptions from about 5600 to 1200 years ago, many of which may have been assocciated with caldera formation.
The post-caldera cone of Witori, Mount Pago, may have formed less than 350 years ago.
Pago has grown to a height above that of the Witori caldera rim. A series of ten dacitic lava flows from Pago covers much of the caldera floor.
The youngest of these was erupted during 2002-2003 from vents extending from the summit nearly to the NW caldera wall.
PHOTO SOURCE: Elliot Endo, 2002 (U. S. Geological Survey Volcanic Disaster Assistance Program), courtesy of the Global Volcanism Program, Smithsonian National Museum of Natural History, used with permission.
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