The volcano is still fully active: it currently issues one to five pyroclastic flows and tens / hundreds of dome avalanches (rock falls) per day. The pyroclastic flows are oriented in two directions (south and southeast). They travel from 2 to 3.5 km 3 to 4 minutes, or a speed of several tens of km / h; they grow vertically several hundred meters up to 1000 meters according to the Volcano Observatory.
The Alert Level remained at 4 (on a scale of 1-4), indicating that people within 7 km of the volcano on the SE sector, and within 6 km in the E sector, should evacuate or remain in alternative housing.
July 22, 2015 . Sinabung, Indonésie :
Photo : Sadrah Peranginangin