GlobalRumbings Blogger Note:
I've been to Bariloche. Hate to see this happen to it!
Santiago: A volcano dormant for decades erupted in south-central Chile on Saturday, belching an ash cloud more than 10 kilometres high that blew over the Andes and carpeted a popular ski resort in neighbouring Argentina.
Fanned by winds, ash darkened the sky in San Carlos de Bariloche, Argentina, a government official there said, adding the city's airport had been closed. The eruption in the Puyehue-Cordon Caulle volcanic chain, about 920 kilometres south of the capital, Santiago, in Patagonia also prompted Chilean authorities to shut a heavily travelled border crossing into Argentina.
Chile's government said it was evacuating 3,500 people from the surrounding area as a precaution. Officials said the volcano was spitting molten rock, but there was no visible lava flow.
It was not immediately clear which of the chain's four volcanoes had erupted because of ash cover and weather conditions. The chain last saw a major eruption in 1960. Local media said the smell of sulphur hung in the air and there was constant seismic activity.
"The Cordon Caulle [volcanic range] has entered an eruptive process, with an explosion resulting in a 10-kilometre-high gas column," Chilean state emergency office Onemi said.
It was the latest in a series of volcanic eruptions in Chile in recent years. Chile's Chaiten volcano erupted spectacularly in 2008 for the first time in thousands of years, spewing molten rock and a vast cloud of ash that reached the stratosphere.
The ash also swelled a nearby river and ravaged a nearby town of the same name. The ash cloud from Chaiten coated towns in Argentina and was visible from space. Chile's Llaima volcano, one of South America's most active, erupted in 2008 and 2009.
Poor visibility
In Bariloche, about 100 kilometres from the newly erupting volcanic chain and also coated in ash by Chaiten's eruption, authorities told residents to wear masks, stay inside and avoid driving because of poor visibility.
"We're in a state of alert here, we're not going outside," said Marcelo Ambrosi, a Bariloche resident.
"We saw everything was covered in white, and that it was not snow," he added. "It's a bit uncomfortable breathing-wise, like you're breathing in smoke."
Argentina sent troops to the area to give out water filters and help with transportation in the area.
Of Chile's chain of about 2,000 volcanoes, some 50 to 60 are on record as having erupted, and 500 are potentially active.
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