Geology of the Pacific Ocean Geology of the Pacific Ocean The Pacific Ocean evolved in the Mesozoic from the Panthalassic Ocean, which had formed when Rodinia rifted apart around 750 Ma. The first ocean floor which is part of the current Pacific Plate began 160 Ma to the west of the central Pacific and subsequently developed into the largest oceanic plate on Earth. The tectonic plates continue to move today. The slowest spreading ridge is the Gakkel Ridge on the Arctic Ocean floor, which spreads at less than , while the fastest, the East Pacific Rise near Easter Island, has a spreading rate of over
Friends of the Earth (US) grocery store chains such as Safeway, Kroger and Whole Foods Market to pledge to not sell AquAdvantage genetically engineered salmon, should it receive Food and Drug Administration (FDA) approval. In 2012 the Emission Control Area, which restricts airborne emissions from ships in certain sea areas, went into effect in North America after Friends of the Earth U.S. advocated for it for many years. Friends of the Earth also successfully advocated for a ban on the dumping of sewage and other wastewater from cruise ships and large ocean-going vessels in the five west coast National Marine Sanctuaries. Friends of the Earth