SAN NICOLAS DE LOS RANCHOS, STATE OF MEXICO, Mexico (Reuters) – Mexican authorities warned of potential for major activity at the Popocatepetl volcano near Mexico City on Wednesday (April 6) after observing an increased level of explosive activity in recent months. In the last two weeks alone, the Popocatepetl volcano, located some 50 miles (80 km) to the southeast of the capital, has exploded on several occasions resulting in the expulsion of gases and smoking, […]