Global Volcanism Program | Image GVP-01273

The flat-topped Batu Angus lava dome formed on the east flank of Tongkoko volcano during an eruption in 1801. A lava flow traveled 2 km down the flank. The 1801 eruption also included formation of small cones at the bottom of the crater lake at the summit of the volcano. Photo by A.R. Sumailani, 1973 (Volcanological Survey of Indonesia).

The flat-topped Batu Angus lava dome formed on the east flank of Tongkoko volcano during an eruption in 1801. A lava flow traveled 2 km down the flank. The 1801 eruption also included formation of small cones at the bottom of the crater lake at the summit of the volcano.

Photo by A.R. Sumailani, 1973 (Volcanological Survey of Indonesia).

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Tangkoko-Duasudara