Gulf of Mexico 1979, the "Ixtoc I" oil platform in the Bay of Campeche suffered a blowout leading to a catastrophic explosion, which resulted in a massive oil spill that continued for nine months before the well was finally capped. This was ranked as the largest oil spill in the Gulf of Mexico until the "Deepwater Horizon" oil spill in 2010. On April 20, 2010, the "Deepwater Horizon" oil platform, located in the Mississippi Canyon about off the Louisiana coast, suffered a catastrophic explosion; it sank a day-and-a-half later. It was in the process of being sealed with cement for temporary abandonment, to
Gulf of Mexico Coast Guard Rear Adm. Sally Brice O'Hare stated that the U.S. government will be "employing booms, skimmers, chemical dispersants and controlled burns" to combat the oil spill. By May 1, 2010, the oil spill cleanup efforts were underway, but hampered by rough seas and the "tea like" consistency of the oil. Cleanup operations were resumed after conditions became favorable. On May 27, 2010, The USGS had revised the estimate of the leak from to 12,000– an increase from earlier estimates. On July 15, 2010, BP announced that the leak stopped for the first time in 88 days. In July 2015