Seafloor data analysis reveals that a larger number of methane gas seeps exist off the U.S. West Coast than previously thought, which could have implications for climate change & ocean warming: https://oceanexplorer.noaa.gov/news/oer-updates/2021/mapping-seeps-west-coast.html . . Video: Methane bubbles emanating from beneath a solid methane hydrate ledge on the floor of Astoria Canyon, offshore Oregon at 850 meters (2,790 feet) water depth. Video courtesy of Nautilus Live; edited by Bob Embley.