The underwater pipeline that leaked more than 550,000 litres of oil into the water off Southern California was split open and apparently dragged more than 30 metres along the ocean floor, possibly by a ship’s anchor, officials said Tuesday.
The segment of the pipe that was dragged was 1.2 kilometres long, and had a gash that was more than 30 centimetres wide, the U.S. Coast Guard said.
Preliminary reports suggested the failure may have been “caused by an anchor that hooked the pipeline, causing a partial tear,” federal transportation investigators said. But there was no confirmation Tuesday that an anchor caused the tear.
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