Chile volcano erupts

Volcanic lightning is seen over the Puyehue volcano, over 500 miles south of Santiago, Chile, Sunday, June 5, 2011. Authorities have evacuated about 3,500 people in the nearby area.

A column of smoke and volcanic lightning are seen over the Puyehue volcano, over 500 miles south of Santiago, Chile, Sunday, June 5, 2011. Authorities have evacuated about 3,500 people in the nearby area. The volcano was calm on Sunday, one day after raining down ash and forcing thousands to flee, although the cloud of soot it had belched out still darkened skies as far away as Argentina.

Large Chile volcano erupts for 2nd day

Lightning strikes over the Puyehue volcano, over 500 miles south of Santiago, Chile, Monday, June 6, 2011.

A column of smoke and volcanic lightning are seen over the Puyehue volcano, over 500 miles south of Santiago, Chile, Sunday, June 5, 2011.

Chile volcano eruption — AP Photo/Roberto Candia

A person looks at volcanic ashes and smoke from the Puyehue-Cordon Caulle volcano as seen from Entrelagos, in southern Chile, Friday, June 10, 2011.

A car is completely covered in volcanic ash in San Carlos de Bariloche, southern Argentina, Sunday, June 5, 2011. The Puyehue volcano, dormant for decades, erupted in south-central Chile on Saturday. The wind carried ash across the Andes to Argentina, dusting this tourist town which had to close its airport.

A blanket of volcanic ash covers a neighborhood in San Carlos de Bariloche, southern Argentina, Sunday, June 5, 2011. The Puyehue volcano, dormant for decades, erupted in south-central Chile on Saturday. The wind carried ash across the Andes to Argentina, dusting this tourist town which had to close its airport.

Workers use bulldozers to remove volcanic ash that blew in from the erupting Puyehue volcano, into San Carlos de Bariloche, southern Argentina, Sunday, June 5, 2011. The volcano, dormant for decades, erupted in south-central Chile on Saturday. The wind carried ash across the Andes to Argentina, dusting this tourist town which had to close its airport.

A man removes volcanic ash from his roof using water from a garden hose in San Carlos de Bariloche, southern Argentina, Sunday, June 5, 2011. The Puyehue volcano, dormant for decades, erupted in south-central Chile on Saturday. The wind carried ash across the Andes to Argentina, dusting this tourist town which had to close its airport.

A column of smoke and ashes comes out from the Puyehue volcano, some 1,100 kilometers south of Santiago, Chile, Saturday, June 4, 2011. Authorities have evacuated about 600 people living nearby the volcano. There have been no reports of injuries.

A column of smoke and ashes spews out from the Puyehue volcano, some 1,100 kilometers south of Santiago, Chile, Saturday, June 4, 2011. There have been no reports of injuries.

Ashes from Chile's Puyehue volcano cover the sky in San Carlos de Bariloche, southern Argentina, Saturday, June 4, 2011. The volcano, dormant for decades, erupted in south-central Chile on Saturday, throwing ash into the sky as winds fanned it toward neighboring Argentina. Authorities put the area around the volcano on alert Saturday morning after a flurry of earthquakes.

People walk past cars covered with ashes from Chile's Puyehue volcano in San Carlos de Bariloche, southern Argentina, Saturday, June 4, 2011. The volcano, dormant for decades, erupted in south-central Chile on Saturday, throwing ash into the sky as winds fanned it toward neighboring Argentina. Authorities put the area around the volcano on alert Saturday morning after a flurry of earthquakes.

Cars covered with ashes from Chile's Puyehue volcano are seen in San Carlos de Bariloche, southern Argentina, Saturday, June 4, 2011. The volcano, dormant for decades, erupted in south-central Chile on Saturday, throwing ash into the sky as winds fanned it toward neighboring Argentina. Authorities put the area around the volcano on alert Saturday morning after a flurry of earthquakes.

Ashes coming from Chile's Puyehue volcano are removed from the windshield of a car by a woman in San Carlos de Bariloche, southern Argentina, Saturday, June 4, 2011. The volcano, dormant for decades, erupted in south-central Chile, throwing ash into the sky as winds fanned it toward neighboring Argentina. Authorities put the area around the volcano on alert Saturday morning after a flurry of earthquakes.

A vehicle rides on a street covered with ashes from Chile's Puyehue volcano in San Carlos de Bariloche, southern Argentina, Saturday, June 4, 2011. The volcano, dormant for decades, erupted in south-central Chile on Saturday, throwing ash into the sky as winds fanned it toward neighboring Argentina. Authorities put the area around the volcano on alert Saturday morning after a flurry of earthquakes.

A man watches the overflowed river Nilahue after the eruption of the Puyehue-Cordon Caulle volcano in Los Venados, Chile, Thursday, June 9, 2011.

A person looks at volcanic ashes and smoke from the Puyehue-Cordon Caulle volcano as seen from Entrelagos, in southern Chile, Friday, June 10, 2011. The volcano erupted Saturday after remaining dormant for decades, causing the evacuation of about 3,500 people in the nearby area and carrying ash across the Andes to Argentina. (AP Photo/Roberto Candia)