An ash plume rises above the summit and pyroclastic flows (block-and-ash flows) descend the western flank of Merapi in 1961. During 1961, eruptions took place on 13 April, 7-8 May, and 27-28 November. Pyroclastic flows during the 8 May eruption destroyed 10 villages and killed 6 people.

Photo by I. Suryo, 1961 (published in Kusumadinata 1979, Data Dasar Gunungapi Indonesia).

This image is made available under the Creative Commons BY-NC 4.0 license terms.

Keywords: ash plume | pyroclastic density current (PDC) | block-and-ash flow | dome collapse | lava dome | eruption

Merapi