Chile Volcano

A cow is covered by ash from Chile's Puyehue Cordon Caulle volcano in Villa La Angostura in southern Argentina, Thursday June 16, 2011. Chile's Puyehue Cordon Caulle volcano started erupting on June 4 after remaining dormant for decades. (AP Photo/Federico Grosso)

A boat covered by volcanic ash sits docked on the bank of Nahuel Huapi Lake, also blanketed in volcanic ash, in Villa La Angostura in southern Argentina, Thursday June 16, 2011. Chile's Puyehue Cordon Caulle volcano started erupting on June 4 after remaining dormant for decades. (AP Photo/Federico Grosso)

Ashes and smoke billow through the clouds after the eruption of the Puyehue Cordon Caulle volcano in Chile, seen from the border cross with Argentina, Cardenal Samore, in southern Chile, Wednesday June 15, 2011. The volcano started erupting on June 4 after remaining dormant for decades. The ash spread across the Pacific, prompting authorities to suspend flights in Australia and New Zealand. (AP Photo/Alvaro Vidal)

Ashes and smoke billow through the clouds after the eruption of the Puyehue Cordon Caulle volcano in Chile, seen from the border cross with Argentina, Cardenal Samore, in southern Chile, Wednesday June 15, 2011. The volcano started erupting on June 4 after remaining dormant for decades. The ash spread across the Pacific, prompting authorities to suspend flights in Australia and New Zealand. (AP Photo/Alvaro Vidal)

Cars are parked in a street covered by volcanic ash from Chile's Puyehue Cordon Caulle volcano in Villa La Angostura, southern Argentinaid Tuesday, June 14, 2011. Scientists say the eruption at the Puyehue Cordon Caulle volcano has diminished, although they warn that ash likely will keep spewing out for at least several more days. (AP Photo/Federico Grosso)

Lightning strikes over the Puyehue Cordon Caulle volcano in Chile, seen from the international cross border way Cardenal Samore, in southern Chile, Sunday June 12, 2011. The volcano erupted June 4 after remaining dormant for decades. Chilean officials ordered most residents already evacuated from homes near the erupting volcano to stay in shelters and with family and friends Sunday due to the threat of deadly landslides. The ash spread across the Pacific, prompting authorities to suspend flights in Australia and New Zealand. (AP Photo/Alvaro Vidal)

New Zealand's Mount Taranaki has a warm glow lighting the snow peak as an ash cloud from a Chilean volcano drifts across the Pacific, Sunday, June 12, 2011. Most airlines grounded more flights to and from southern Australia and New Zealand on Monday morning after an ash cloud from the Cordon Caulle volcano in southern Chile expanded overnight. (AP Photo/David Frampton)

This natural color satellite image provided by NASA was acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard the Terra satellite on Saturday June 11, 2011 of the Puyehue Cordon Caulle eruption in Chile. In the image, the ash plume from the volcano is visible center. Some airline flights to and from New Zealand were canceled Sunday as the ash cloud from the erupting volcano in southern Chile spread. (AP Photo/NASA)

A tourist watches volcanic ash float on Nahuel Huapi lake as ash from Chile's Puyehue Cordon Caulle volcano began falling again over San Carlos de Bariloche in southern Argentina, Saturday June 11, 2011. Scientists say the eruption at Chile's Puyehue Cordon Caulle volcano has diminished, although they warn that ash likely will keep spewing out for at least several more days. (AP Photo/Photo Patagonia)

A cloud of volcanic ashes and smoke from the Puyehue Cordon Caulle volcano is 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)

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)

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)

A plane dusted in volcanic ash sits grounded at the San Carlos de Bariloche airport, southern Argentina, Tuesday June 7, 2011. The wind carried volcanic ash across the Andes to Argentina resulting in the closing of six airports, and the cancellation of flights in the capital city. The Puyehue volcano, dormant for decades, erupted in south central Chile on Saturday. (AP Photo/Alfredo Leiva)

Lightning strikes over the Puyehue volcano, over 500 miles south of Santiago, Chile, Monday June 6, 2011. Authorities have evacuated about 3,500 people in the nearby area. The volcano was calm on Monday, two days 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. (AP Photo/Francisco Negroni, AgenciaUno) CHILE OUT, NO PUBLICAR EN CHILE, NO SALES

Residents of Rininahue look at a plume of smoke and ash merging from the Puyehue Cordon Caulle volcano in Rininahue near Lago Ranco, over 500 miles south of Santiago, Chile, Monday June 6, 2011. Authorities have evacuated about 3,500 people in the nearby area. The volcano was calm on Monday, two days 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. (AP Photo/Carlos Succo)q