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Wall of ash envelops Indonesia volcano

Sutanta Aditya / AFP - Getty Images

Ash spewing from Indonesia's Mount Sinabung formed a massive cloud around the mountain on Tuesday.

The volcano in the province of North Sumatra has been erupting sporadically for several months, damaging crops and triggering the evacuation of more than 19,000 villagers. 

An eruption in 2010 killed two people and caught scientists off guard because the volcano had been quiet for four centuries. 

-- The Associated Press contributed to this report

Jefri Tarigan / EPA

A man sips a drink in Suka Ndebi village as Mount Sinabung spews out volcanic material on Jan. 7.

YT Haryono / Reuters

A public bus travels between trees covered by ash from Mount Sinabung at Tiga Pancur village in Karo district on Jan. 6.

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