An oil tanker that ran aground in a remote southern Chilean fjord in late May spilled 92,600 gallons (350,528 liters) of crude, leaving an oil slick 70 miles (112 km) long and damaging wildlife and a salmon farm, the Chilean Navy said on Wednesday. Maritime authorities initially dismissed the incident, which occurred on May 25, saying the leak had been negligible and had caused no damage to the environment. But the Navy on Wednesday admitted the spill was worse than first announced. "There is a slick measuring 70 miles," Commander Bernard Johnson, a spokesman for the naval district in the southern area of Chiloe, said. The Panamanian-registered vessel Jose Fuchs…