A thick smoke spews from the summit of Mount Sinabung as it erupts early on August 31, 2010 seen from Tanah Karo in North Sumatra. Airlines were warned to avoid remote Mount Sinabung in northern Sumatra as the volcano spewed a vast cloud of smoke and ash high into the air for a second day after springing to life for the first time in four centuries on August 29.
Thick smoke spews from the summit of Mount Sinabung as it erupts early on August 31, 2010 seen from Tanah Karo in North Sumatra. Airlines were warned to avoid remote Mount Sinabung in northern Sumatra as the volcano spewed a vast cloud of smoke and ash high into the air for a second day after springing to life for the first time in four centuries on August 29.