Ollague Volcano | John Seach

john

(Oyahué)
Bolivia/ Chile

21.30 S, 68.18 W
summit elevation 5868 m
stratovolcano

Ollague Volcano is located in northern Chile, on the border with Bolivia. Sulphur mines used to operate on upper western and southern flanks and were serviced by a road which reached 5500 m elevation. 

Fumarolic activity is currently present at the volcano.

Further reading
Tibaldi, Alessandro, et al. "Extensional tectonics and volcano lateral collapses: insights from Ollagüe volcano (Chile-Bolivia) and analogue modelling." Terra Nova 18.4 (2006): 282-289.

Feeley, T.C., Davidson, J.P. and Armendia, A., 1993. The volcanic and magmatic evolution of Volcán Ollagüe, a high-K, late Quaternary stratovolcano in the Andean Central Volcanic Zone. Journal of Volcanology and Geothermal Research, 54(3-4), pp.221-245.

Ollague Volcano Eruptions

Possible eruption of Ollague Volcano in 1903