Stricken Tanker Leaves Large Oil Slick in East China Sea

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Flames and smoke from the Iranian oil tanker Sanchi is seen in the East China Sea
Flames and smoke from the Iranian oil tanker Sanchi is seen in the East China Sea, on January 15, 2018 in this photo provided by Japan's 10th Regional Coast Guard. 10th Regional Coast Guard Headquarters/Handout via REUTERS
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By Yuka Obayashi and Josephine Mason
TOKYO/BEIJING (Reuters)

A stricken Iranian tanker that sank in the East China Sea on Sunday in the worst oil ship disaster in decades has produced a large oil slick, Chinese media and Japanese authorities said on Monday, as worries grew over damage to the marine ecosystem

The tanker Sanchi (IMO:9356608) had been adrift and ablaze after crashing into the freighter CF Crystal (IMO:9497050) on Jan. 6. Strong winds had pushed it away from the Chinese coast, where the incident happened, and into Japan’s exclusive economic zone (EEZ).

The Japan Coast Guard said oil had spread over an area 13 km (8.1 miles) long and 11 km (6.8 miles) wide, although it said the slick was shrinking as patrol boats battled to contain it.

 

 

The Coast Guard said the fire on the sea surface was put out at around 0200 GMT on Monday, although according to other authorities and Chinese state TV CCTV black smoke continued to billow from the site of the sinking for several more hours.

A clean-up effort has begun and rescue teams have called a halt to the large-scale search for survivors, reducing it to “normal” operations, CCTV said.

The Sanchi’s crew of 30 Iranians and two Bangladeshis are all believed to have perished in the incident, which marks the biggest tanker spill since 1991, when 260,000 tonnes of oil leaked off the Angolan coast.

 

 

The East China Sea is known for its rich, although already polluted, marine ecosystem that includes whales, porpoises and seabirds, said Rick Steiner, a U.S. marine scientist with experience of oil spills.

Greenpeace said in a statement the explosion and sinking had occurred in “an important (fish) spawning ground“.

“At this time of year the area is used as wintering ground by common edible species such as hairtail, yellow croaker, chub mackerel and blue crab. The area is also on the migratory pathway of many marine mammals, such as humpback whale, right whale and gray whale,” Greenpeace said.

 

HIGHLY FLAMMABLE OIL

The blazing vessel, which had been carrying 136,000 tonnes – almost one million barrels – of condensate, an ultra-light, highly flammable crude oil, sank on Sunday after several explosions weakened the hull.

 

 

The Shanghai Maritime Bureau, under China’s Ministry of Transport, said shortly before 0800 GMT on Monday there was no more heavy smoke at the scene.

Japanese authorities lost track of the tanker as of 0840 GMT on Sunday, a spokesman for Japan’s Coast Guard said. The ship’s last confirmed location was about 315 km (195 miles) west of Sokkozaki on the island of Amami Oshima, one of the northern islands in the Ryukyu island chain that includes Okinawa.

 

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