People who work in a seven-story office building gather behind a sign that reads in Spanish "Floor One" after evacuating their building along the El Paseo de la Reforma in Mexico City on Wednesday, Nov. 7, 2012, following a strong earthquake off the Pacific coast of Guatemala. (AP Photo/Eduardo Verdugo)

Photo by: Eduardo Verdugo

People who work in a seven-story office building gather behind a sign that reads in Spanish "Floor One" after evacuating their building along the El Paseo de la Reforma in Mexico City on Wednesday, Nov. 7, 2012, following a strong earthquake off the Pacific coast of Guatemala. (AP Photo/Eduardo Verdugo)