PHOTOS: Mount Sinabung volcano erupts again

A church is seen in the middle of a corn field covered with volcanic ash as Mount Sinabung spews volcanic materials as seen from Sibintun village in Karo, North Sumatra, Indonesia, on Jan. 6, 2014. More then 20,000 people have been displaced since the volcano began its most recent activity in September, officials said. EPA/MAFA YULI RAMADHANI ( INDONESIA SINABUNG VOLCANO )

Mount Sinabung spews hot lava as seen from Jeraya, North Sumatra, Indonesia. The 2,600-meter (8,530-foot) volcano has sporadically erupted since September. Authorities extended a danger zone around a rumbling volcano in western Indonesia on Sunday after it spewed blistering gas farther than expected, sending panicked residents streaming down the sides of the mountain. (AP Photo/Binsar Bakkara) ( Indonesia Volcano Erupts )

Mount Sinabung releases pyroclastic flows during an eruption as seen from Perteguhan, North Sumatra, Indonesia, Monday, Jan. 6, 2014. The 2,600-meter (8,530-foot) volcano has sporadically erupted since September. Authorities extended a danger zone around a rumbling volcano in western Indonesia on Sunday after it spewed blistering gas farther than expected, sending panicked residents streaming down the sides of the mountain. (AP Photo/Binsar Bakkara) ( Indonesia Volcano Erupts )

Villagers watch as Mount Sinabung releases pyroclastic flow in Sibintun, North Sumatra, Indonesia, Monday, Jan. 6, 2014. The volcano unleashed more clouds of searing gas avalanching down the mountain with a thunderous roar, forcing tens of thousands of people packed emergency shelters. (AP Photo/Binsar Bakkara) ( Indonesia Volcano Erupts )

An Indonesian man watches Mount Sinabung spewing volcanic smoke in Perteguhan, North Sumatra, Indonesia, Monday, Jan. 6, 2014. The 2,600-meter (8,530-foot) volcano has sporadically erupted since September. Authorities extended a danger zone around a rumbling volcano in western Indonesia on Sunday after it spewed blistering gas farther than expected, sending panicked residents streaming down the sides of the mountain. (AP Photo/Binsar Bakkara) ( Indonesia Volcano Erupts )

Villagers start their morning routine as Mount Sinabung releases volcanic materials into the air in Perteguhan, North Sumatra, Indonesia, Monday, Jan. 6, 2014. The 2,600-meter (8,530-foot) volcano has sporadically erupted since September. Authorities extended a danger zone around a rumbling volcano in western Indonesia on Sunday after it spewed blistering gas farther than expected, sending panicked residents streaming down the sides of the mountain. (AP Photo/Binsar Bakkara) ( Indonesia Volcano Erupts )

Vilagers ride on a truck on a road that has been covered with volcanic ash from the eruptions of Mount Sinabung in Sibintun, North Sumatra, Indonesia, Monday, Jan. 6, 2014. The volcano unleashed more clouds of searing gas avalanching down the mountain with a thunderous roar, forcing tens of thousands of people packed emergency shelters. (AP Photo/Binsar Bakkara) ( Indonesia Volcano Erupts )

Mount Sinabung releases pyroclastic flows during an eruption as seen from Perteguhan, North Sumatra, Indonesia, Monday, Jan. 6, 2014. The 2,600-meter (8,530-foot) volcano has sporadically erupted since September. Authorities extended a danger zone around a rumbling volcano in western Indonesia on Sunday after it spewed blistering gas farther than expected, sending panicked residents streaming down the sides of the mountain. (AP Photo/Binsar Bakkara) ( Indonesia Volcano Erupts )