Weird ‘methane seep’ found off San Diego coast
While mapping the seafloor off San Diego, researchers found something odd: a seafloor mound about the height of a two-story building and the size of a city block.
MIT: Methane gas likely spewing into the oceans through vents in sea floor
Could speed up global warming more efficiently than carbon dioxide
sent in from Dublinsmick
And be sure to read the comments there. Mentioned is super-sized Aussie shark related to methane seep.