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Helatoba-Tarutung volcano

fumarolic field 1100 m
Sumatra, Indonesia, 2.04°N / 98.93°E
Current status: (probably) extinct (0 out of 5)
Typical eruption style: Fumaroles
Helatoba-Tarutung volcano eruptions: not known
Helatoba-Tarutung, located in northern Sumatra south of Lake Toba, is a group of sulfurous hot springs along a 40-km-long, NNW-SSE-trending stretch of the Renun-Toru fault zone.

Background:

Adjacent volcanics are of Pleistocene age (Aspden et al. 1982, Aldiss et al. 1983), but Helatoba-Tarutung was included in the Catalog of Active Volcanoes of the World (Neumann van Padang 1951) based on its geothermal activity.