Deluge from sub-glacial lake's burst

Scientists have seen evidence for a colossal flood under Antarctica that drained six billion tonnes of water, quite possibly straight to the ocean. The cause is thought to be a deeply buried lake that suddenly over-topped. via Pocket http://www.bbc.co.uk/news/science-environment-23144184#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa