At least 77 people were killed and hundreds were injured Saturday after a 7.8 magnitude earthquake jolted the Ecuadorian coast, officials said. The deadly quake was the third in a string of tremors that have rattled along the volatile ‘ring of fire’ that encircles the Pacific Ocean — leaving behind a trail of destruction.The quake struck around 7 p.m., buckling buildings and drumming homes as far as 250 miles away in the capital of Quito.In Guayaquil, the country’s most populous city, an overpass collapsed on top of a car, killing one person.(Nydailynews.com)…[+]