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Chaitén magma’s surprising speed 8 October 2009

Posted by admin in Chaitén, Chile, current research, eruptions, geoscience, natural hazards.
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New research just published in Nature indicates that the magma feeding the eruption of Chaitén that began in May 2008 rose from the magma chamber to the surface much faster than anyone thought, and much faster than sticky, viscous rhyolite magma has any right to move. This makes the Chaitén eruption even more interesting than it was already, and suggests that rhyolitic volcanoes may spring nasty surprises on us in the future by building up to eruption very quickly.

Blognote: Dr Erik Klemetti has all you need to know about Chaitén’s racy rhyolite over at Eruptions, and offers the opportunity to put your questions to one of the authors of the Nature study, Dr Jonathan Castro.

For all our Chaitén coverage: Chaitén « The Volcanism Blog.

Information
Global Volcanism Program: Chaitén – summary information for Chaitén (1508-41)
SERNAGEOMIN – Servicio Nacional de Geología y Minería (Spanish)
Erupción del Volcán Chaitén – extensive coverage of the Chaitén eruption

The Volcanism Blog