A strong 7.4-magnitude earthquake hit southern Mexico on Tuesday, damaging some 800 homes near the epicenter and swaying tall buildings and spreading fear and panic hundreds of miles away in the capital of Mexico City.One of the strongest to shake Mexico since the deadly 1985 temblor that killed thousands in Mexico City, Tuesday's earthquake hit hardest in border area of southern Oaxaca and Guerrero states. In Guerrero, officials confirmed that some 800 homes had been damaged, with another 60 having collapsed. Hours after the shaking at noon local time (18:02 GMT), there were still no reports of death or serious injury, even after a less powerful, magnitude-5.1 aftershock was felt in the capital and several other aftershocks near the epicenter in a mountainous rural region. "It was very strong, very substantial," said Campos Benitez, hospital director in Ometepec, about 15 miles (25 kilometers) from the epicenter. Guerrero Gov. Angel Aguirre, who is from Ometepec, w...