Global Volcanism Program | Image GVP-01256
During an eruption in 1966-67, a lava dome was emplaced at the summit of Soputan. A blocky lava flow, seen here steaming along the right-hand skyline from the NE-flank cone of Aeseput, descended its flanks. The eruption began with a vulcanian explosion on May 21, and lava outflow began June 12-15, resumed again in November, and continued until November of the following year. An explosive eruption accompanied by pyroclastic flows took place on September 25, 1966.
Photo by Ruska Hadian, 1973 (Volcanological Survey of Indonesia).