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More on Puyehue-Cordón Caulle 11 June 2011

Posted by admin in activity reports, Chile, eruptions, Puyehue, volcano monitoring, volcano webcams.
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OVDAS webcam 2: Puyehue-Cordon Caulle, 11 June 2011, 19:21 GMT

Chile’s OVDAS (Observatorio Volcanológico de los Andes del Sur) currently has three webcams monitoring Puyehue-Cordón Caulle. It’s great to have the cameras, but there are some reliability problems with them: their images freeze from time to time, and one of them fell into a box earlier today. It’s back out again now and just provided the view above (camera number 2): the east-trending plume looks vigorous and moderately ash-laden.

Volcanologist Jorge Clavero of the Pontificia Universidad Católica de Chile, interviewed on Terra.cl, warns that ‘the major danger associated with this type of eruption is not lava, but all the ashes that are falling, floods, or the formation of pyroclastic flows with glowing clouds’. Clavero also dismisses any question of a link between this eruption and the earthquake of February 2010: ‘We are talking about an eruptive event that is beginning nearly 15 months after this earthquake, therefore, the relationship of cause and effect is very difficult to prove. I would say sincerely that there is not direct cause’. El Mercurio has also been talking with volcanologists, and muses on the catastrophic consequences of an eruption column collapse or a major flank failure at Cordón Caulle. Meanwhile, the BBC reports that airports are re-opening in Uruguay and Argentina and some flights are resuming after two days of ash disruption.

News
Experto alerta: flujo piroclástico “es mayor peligro que una lava” – Terra.cl, 11 June 2011
Sepa qué es lo peor que podría pasar si se agudiza la erupción volcánicaEl Mercurio, 11 June 2011
Chile ash: Argentine and Uruguayan airports opening again – BBC News, 11 June 2011

Information
Global Volcanism Program: Puyehue-Cordón Caulle volcanic complex – summary information for the PCCVC (1507-15=)

The Volcanism Blog