The geography of Indonesia is dominated by volcanoes that are formed due to subduction zones between the Eurasian plate and the Indo-Australian plate. Some of the volcanoes are notable for their eruptions, for instance, Krakatau for its global effects in 1883, Lake Toba for its supervolcanic eruption estimated to have occurred 74,000 Before Present which was responsible for six years of volcanic winter, and Mount Tambora for the most violent eruption in recorded history in 1815.
Talagabodas or Telagabodas is a stratovolcano in West Java. The volcano lies on the east of Garut city and it is built up of andesitic lavas and pyroclastics. Fumaroles, mud pots and hot springs are found around the crater lake. Changes of the lake color occurred in 1913 and 1921.