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But late Sunday, conditions began to worsen again in Buenos Aires and authorities decided to "limit air operations" at Jorge Newbery airport in the Argentine capital, a National Civilian Aviation Administration statement said. Several airports in the nearby southern Argentine region of Patagonia remained closed. Sunday's winds began blowing ashes in a northeasterly direction, toward the Patagonian cities of Villa La Angostura and San Martin de los Andes, vulcanologist Hugo Moreno said. Haroldo Lebed, executive secretary of Argentina's agricultural emergency and disaster agency, said that authorities are going to declare a national emergency to get financial aid to affected producers. Moreno said that scientists discovered during a flyover of the volcano Saturday that it was not spewing material through a 3-mile-long (5-kilometer-long) fissure, but through a crater measuring 980 feet to 1,300 feet (300 meters to 400 meters) in diameter. Chile has more than 3,000 volcanoes along its Andean spine, and 500 of these are considered geologically active. About 60 Of these have erupted in the past 450 years. The Cordon Caulle is located 620 miles (1,000 kilometers) south of the Chilean capital, Santiago.
[Associated
Press;
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