Global Volcanism Program | Image GVP-01277
Steam rises from a lava flow descending the north flank in 1976, viewed from Ulu village. A period of almost continuous eruptive activity that began in January 1972 ended in April 1976. Intermittent explosive eruptions were accompanied by lava dome growth and lava flows and lahars.
Photo by J. Matahelumual, 1976 (Volcanological Survey of Indonesia).