Sinabung releasing pyroclastic flows into the air coming out of the crater following the latest eruption after following the increase in the alert level to the highest level of the volcano, in the village of Sukanalu, in Karo, North Sumatra, Indonesia, June 13, 2015. Indonesian Volcanology, Surono asked more than 2,700 villagers to keep away from the danger zone within a radius of 7 kilometers principal (4 miles) south and southeast of the crater of the volcano after Indonesia threatens to increase in Sumatra, Indonesia on 4 June following a sharp rise in volcanic activity. This volcano, just 35 kilometers from the volcano Toba, is one of 130 active volcanoes in Indonesia. According to scientists, the eruption of a super volcano Toba 70,000 years ago almost put a man on the brink of extinction. (Photo by Ivan Damanik/NurPhoto) (Photo by NurPhoto/NurPhoto via Getty Images)
