Sinabung sends hot clouds down its slopes

Fiery peak: Mount Sinabung ejecting hot ash and clouds during an eruption in Karo, North Sumatra. The volcano is among more than 120 that are active in Indonesia, which is prone to seismic upheaval due to its location on the Pacific ‘Ring of Fire’. — AP

A RUMBLING volcano unleashed an avalanche of scorching clouds down its slopes.

Authorities are closely monitoring Mount Sinabung on Sumatra, one of Indonesia’s main islands, after sensors picked up increasing activity in past weeks.