Pacific Ocean width at about 5°N latitude, where it stretches approximately from Indonesia to the coast of Colombia—halfway around the world, and more than five times the diameter of the Moon. The lowest known point on Earth—the Mariana Trench—lies below sea level. Its average depth is , putting the total water volume at roughly . Due to the effects of plate tectonics, the Pacific Ocean is currently shrinking by roughly per year on three sides, roughly averaging a year. By contrast, the Atlantic Ocean is increasing in size. Along the Pacific Ocean's irregular western margins lie many seas, the largest of which
Mid-Atlantic Regional Council on the Ocean (MARCO) for which we share responsibility remain healthy, resilient and productive for our children and theirs." Sarah Chasis, Senior Attorney and Director, Ocean Initiative, New York of the Natural Resources Defense Council noted in a blog posting that with the initiative "the Mid-Atlantic jumps to being a regional player on the ocean protection scene, on par with ecosystem-wide efforts by bodies like the West Coast Governors' Agreement." Mid-Atlantic Regional Council on the Ocean (MARCO) Mid-Atlantic Regional Council on the Ocean is a regional initiative by states in the Mid-Atlantic States region "to maintain and improve the health of our ocean and