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http://strangesounds.org/2018/10/are-we-going-to-be-swallowed-by-huge-sinkholes-huge-methane-craters-fissuring-the-barents-sea-formed-like-the-recent-exploding-methane-craters-in-siberia.html
Are we going to be swallowed by enormous sinkholes? Huge methane craters fissuring the Barents Sea formed like the recent exploding methane craters in Siberia