Volume and extent of the Deepwater Horizon oil spill Volume and extent of the Deepwater Horizon oil spill The "Deepwater Horizon" oil spill was discovered on the afternoon of 22 April 2010 when a large oil slick began to spread at the former rig site. According to the Flow Rate Technical Group, the leak amounted to about of oil, exceeding the 1989 "Exxon Valdez" oil spill as the largest ever to originate in U.S.-controlled waters and the 1979 Ixtoc I oil spill as the largest spill in the Gulf of Mexico. BP has challenged this calculation saying that it is overestimated as it includes over of oil which was
Guimaras oil spill Guimaras oil spill The Guimaras oil spill occurred in the Panay Gulf on August 11, 2006 when the oil tanker M/T "Solar 1" sank off the coast of Guimaras and Negros islands in the Philippines, causing what is considered as the worst oil spill in the country. The oil tanker M/T "Solar 1", carrying more than two million liters of bunker fuel, sank during a violent storm approximately off the southern coast of Guimaras at around midnight on August 11, 2006, causing some of oil to pour into the gulf, that traveled up through the Guimaras Strait and Iloilo Strait.