|
The VLCC ''Metula'' was a supertanker that was involved in an oil spill in Tierra del Fuego, Chile in 1974. The ship was a Very Large Crude Carrier (VLCC), with a length of 1,067 feet, draft of 62 feet and a deadweight ton capacity of 206,000. It was the first VLCC supertanker to be involved in a major oil spill. The ''Metula'' was sailing from Ras Tanura in Saudi Arabia with a load of over 196,000 tons of light Arabian crude oil destined for delivery to the Chilean National Oil Company (ENAP) at Quintero, Chile. On the evening of August 9, 1974, the tanker was passing through the First Narrows area, which is over three and half kilometers wide, of the Strait of Magellan, during severe tidal and current conditions. The ''Metula'' cut a corner too sharp, hitting a 40-foot shoal and grounding itself. The difficulty of navigating a ship of such size, with minimum navigation aids, contributed to the accident. On the second day after the grounding, the ''Metula'' swung to starboard, holing and flooding its engine room compartments. The U.S. Coast Guard, at the request of the Chilean government played a role in removing the cargo from the ship. The tanker released about 47,000 tonnes of Arabian light crude oil and between 3,000 and 4,000 tonnes of heavy fuel oil. The rough sea conditions resulted in the formation of a water-in-oil emulsion, which then landed on the shores of Tierra del Fuego. The ''Metula'' was refloated on September 25, 1974, and was towed to Isla Grande, near Rio de Janeiro, Brazil to be scrapped. No cleanup operation was executed due to the remoteness of the area; on many shorelines, the oil formed hard asphalt pavements. One marsh received thick deposits of mousse, which were still visible two decades after the disaster. By 1998, most of the oil deposits had broken up, though asphalt pavement remained in a relatively sheltered area, making it among the longest-term contamination recorded for an oil spill. ==Effects== Following the spill, there were significant negative impacts on the Chilean fishermen. The oil spill resulted in the heavy contamination of the waters of straits of Magellan- forcing Chilean Fishermen to other waters. The Straits were often turned to by the fishermen to hunt sea bass when they weren't hunting king crab. As a result of the spill, the fisheries were rendered unusable for an entire year for the Chilean fishermen. In addition, the overall quality of the fish remained poorer for a long time proceeding.〔O'TooleWashington Post Staff Writer, By Thomas. "Vast Damage In Oil Spill Off Chile Seen." The Washington Post (1974-Current File) 14 Feb. 1975: 2. ProQuest Historical Newspapers: The Washington Post (1877-1997). Web. 3 Apr. 2014. 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「VLCC Metula oil spill」の詳細全文を読む スポンサード リンク
|