Global Volcanism Program | Image GVP-01272
The forested summit of Tongkoko volcano at the NE tip of Sulawesi is truncated by a large elongated, 1 x 2 km wide crater that contains a central cone. In 1801 a crater lake was observed. Eruptions have occurred at Tongkoko during historical time from both summit and flank craters.
Photo by A.R. Sumailani, 1973 (Volcanological Survey of Indonesia).
This image is made available under the Creative Commons BY-NC 4.0 license terms.