A scientist from the Volcanological Survey of Indonesia investigates rocks in the summit crater of Dempo volcano. The Kawah Merapi crater exposes bedded pyroclastic material that is overlain by a series of light-colored lava flows.

Photo by R. Whandyo, 1992 (Volcanological Survey of Indonesia).

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

Keywords: crater | stratigraphy

Dempo