A powerful earthquake struck north-central Venezuela this afternoon, collapsing buildings in the capital, Caracas, knocking out power in parts of the city and prompting tsunami advisories across the Caribbean. The U.S. Geological Survey reported that the magnitude 7.5 mainshock was preceded by about 39 seconds by a magnitude 7.2 foreshock — a closely spaced pair […] The post Powerful Earthquake Topples Buildings in Venezuela appeared first on The Tico Times | Costa Rica News | Travel | Real Estate .