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 Posted: Thu 19:03, 07 Nov 2013 Post subject: " Fischer said. |
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Earthquakes linked to release of greenhouse gas methane from seafloor
BREMEN, Germany, July 29 () -- European scientists say they have confirmed a link between earthquakes and underwater releases of methane gas that could increase global greenhouse gas levels.In the journal Nature Geoscience, the researchers report evidence in methane-rich mud and sand on the sea floor suggests a magnitude 8.1 earthquake in 1945 could have triggered the release of large amounts of methane -- a potent greenhouse gas -- from beneath the Arabian sea.The temblor probably fractured sediments that held stores of fragile gas hydrates,[url=http://www.moncleroutleto.co.uk]moncler outlet[/url], lead study author David Fischer, a geochemist at the University of Bremen in Germany, said.Such hydrates -- compounds that trap gas in icy lattices -- are common in many seismically active regions and earthquakes could be a significant natural trigger for their release,[url=http://www.pachasvip.com]abercrombie outlet[/url], the researchers said.Methane is still bubbling up from the Arabian seafloor today, they said."This is something to consider in the global greenhouse gas budget," Fischer said.
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