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Correspondence
Nature 445, 818 (22 February 2007) | doi:10.1038/445818a; Published online 21 February 2007
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Postdoctoral Position
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Research Scientist – Ecology of Phytoplankton and Primary Producers (Experimental Lakes Area)
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Concrete evidence that volcanoes can be stopped
John Carpenter1
- Annandale, Virginia 22003, USA
In your News story "Volcano gets choke chains to slow mud" (Nature 445, 470; 2007), you cite some physicists who had not heard of using concrete balls and linked chain to attempt to plug a mud geyser. The US Navy (in which I was then a commander), the Italian Navy and the US Marine Corps used exactly this approach successfully in Sicily, in April–May 1992, to slow and eventually redirect lava flow from Mount Etna that was threatening the small village of Zafferana.
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