MEXICO CITY, MEXICO - MAY 08: An earthquake of 6.6 strength on the Richter scale lasting some 50 seconds was recorded in Mexico on May 8, 2014 at 12:00 p.m. CDT, the second large quake in some 20 days. The epicenter of the earthquake was 28 kilometers southwest of the town of Tecpan in the state of Guerrero at a depth of 17 kilometers, according to the National Seismological Service. (Photo by Manuel Velasquez/Anadolu Agency/Getty Images)