Massive Lake Discovered Under Volcano in Bolivia

Prensa Latina reports;

Massive Lake Discovered Under Volcano in Bolivia

London,Nov 8 (Prensa Latina) Scientists from the University of Bristol have discovered a huge magmatic lake, 15 kilometres below a dormant volcano in Bolivia, South America.

The body of water, which is dissolved into partially molten rock at a temperature of almost 1,000 degrees Celsius, is the equivalent to what is found in some of the world’s giant freshwater lakes, such as Lake Superior.

The find has now led scientists to consider if similar bodies of water may be ‘hiding’ under other volcanoes and could help explain why and how volcanoes erupt.

Professor Jon Blundy, from the School of Earth Sciences, took part in an international multidisciplinary research project at Cerro Uturuncu volcano in the Bolivian Altiplano. [photo below was provided in the internet]

Uturunku

He said: ‘The Bolivian Altiplano has been the site of extensive volcanism over past 10 million years, although there are no currently active volcanoes there.

‘This anomaly has a volume of one-and-a-half million cubic kilometres or more and is characterised by reduced seismic wave speeds and increased electrical conductivity. This indicates the presence of molten rock.

‘The rock is not fully molten, but partially molten. Only about 10 to 20 percent of the rock is actually liquid; the rest is solid. The rock at these depths is at a temperature of about 970°C.’

The researchers hope that better understanding of how water can trigger volcanic eruptions can improve predictions of when it is going to erupt.

sgl/mgt/nvo

http://www.plenglish.com/index.php?o=rn&id=5533&SEO=massive-lake-discovered-under-volcano-in-bolivia

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