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Plume from Bagana
This page contains archived content and is no longer being updated. At the time of publication, it represented the best available science. However, more recent observations and studies may have rendered some content obsolete.
The same day that Rabaul Volcano released a plume, Bagana Volcano, roughly 400 kilometers (250 miles) to the southeast, on the island of Bougainville, also sent a plume of ash and/or steam toward the northeast. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite took this picture on August 9, 2009. The volcanic plume is faint in this true-color image, and the volcano’s summit is obscured by clouds, but the plume clearly blows away from Bougainville and over the Pacific Ocean.
Bagana is a lava cone that reaches an altitude of 1,750 meters (5,741 feet) above sea level. Volcanic activity at Banaga is frequent but non-explosive, usually producing lava that fills a lake at the volcano’s summit. Hardened lava flows also appear on the volcano’s flanks.