The head of the Sinabung observation station, Armen Putra, said in an interview with Jakarta Post that volcanic activity remains high and that future eruptions are expected.
He said that the events of March 5 are the most important in 15 days.
Pyroclastic flows have expanded to 4.5 km south of the volcano.
A forested area along the river Borus Lau, in the village of Berastapu, was destroyed by a pyroclastic flow.
Three districts located on the west of the volcano, Tiganderket, Payung and Kutabuluh were covered with ashes.
A flight to Singapore was canceled at the international airport in Deli Serdang
2015.03.06 Sinabung after the big erupsion in Thursday March 5. taken from Sebintun corn field. - Sadrah ps
Observations show that a new dome quickly reforms, with some early rock falls and nighttime glow.
- Jakarta Post - Mt Sinabung eruptions trigger forest fire, disrupt flight
- Photos via Twitter et Facebook / Mabah Lëwa & Sadrah Peranginangin.