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The ''Jakob Maersk'' was an oil tanker registered in Denmark that struck a sand bank on January 29, 1975 while entering the port of Leixões, Portugal, causing a major oil spill.〔Duerden, F.C. (1976). ''Spill in Portugal: A Report of the Jakob Maersk Incident''. Environmental Emergency Branch. Environmental Protection Service. pp. 1-2, pp. 6-8, pp. 31-32. Environment Canada〕 Built in 1966, the tanker was owned by Maerskline Navigation Company, a subsidiary of A.P. Moller, and contracted by Shell Oil Company consisting of a crew of seventeen at the time of the accident. Seven of those seventeen crew members died during the explosion.〔 ''Jakob Maersk'' was carrying 88,000 tons of crude oil from Kharg Island in Iran while entering the Port of Leixões in the Northern part of Portugal to discharge the oil to the Sacor Refinery. Receiving aid from tug boats, the ship grounded on a sand bank, causing a huge explosion and subsequent fire that burned for days.〔 The explosion broke the ship apart, spilling crude oil into the water. ==Oil spill== At about 12:25 P.M. on January 29, 1975, the ship was entering the Port of Leixões in Portugal, while entering the Danish tanker hit sandbar and cause the ship to spill massive amounts of oil into the ocean followed by a few explosions inside the engine room. The cause of this infamous disaster was because of human error. 7 of those 17 crew members died in that explosion, the majority of deaths were engineers.〔 During the time of explosions, the ship began to sink causing survivors to jump into the water, the tugboat Monte de Luz assisted by rescuing survivors that were nearby.〔Canelas, L. D., Calejo Monteiro, J. D. (1977). (Studies of an Oil Spillage Due to the Jakob Maersk Accident ). Industry-tac.org. Retrieved April 22, 2013〕 The ''Jakob Maersk'' oil spill was the second largest spill at the time which occurred in the second largest city in Portugal. Out of the 40,000 to 50,000 tons of oil that were spilled consumed either by the fire or the ocean, 20,000 to 25,000 tons of that oil drifted into the sea and about 15,000 tons came to shore due to the wind direction during the first few days.〔 The explosion caused thick black smoke to rise. The ship burned for 58 continuous hours. There were reports of locals being affected by the fire that was caused but it did not escalate into serious effects or injuries.〔 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「Jakob Maersk oil spill」の詳細全文を読む スポンサード リンク
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