Volcano forces thousands to flee in Sumatra Pictures Volcano forces thousands to flee in Sumatra Mount Sinabung spews volcanic ash as seen from Tiga Pancur, North Sumatra, Indonesia, Nov. 5, 2013. The 8,530-foot-high volcano has been erupting since Sunday, unleashing volcanic ash high into the sky and forcing the evacuation of villagers living around its slope. Credit: Binsar Bakkara/AP