Photo taken on Sept. 19, 2017 shows debris of a house damaged in an earthquake in Mexico City, capital of Mexico. At least 47 people were killed in a powerful 7.1-magnitude earthquake that hit central Mexico on Tuesday. (Xinhua/Nikteha Cabrera)
A man carrying tools runs to debris after an earthquake in Mexico City, capital of Mexico, on Sept. 19, 2017. At least 47 people were killed in a powerful 7.1-magnitude earthquake that hit central Mexico on Tuesday. (Xinhua/Str)
People help a woman after an earthquake in Mexico City, capital of Mexico, on Sept. 19, 2017. At least 47 people were killed in a powerful 7.1-magnitude earthquake that hit central Mexico on Tuesday. (Xinhua/Str)
People gather in front of a collapsed building after an earthquake in Mexico City, capital of Mexico, on Sept. 19, 2017. At least 47 people were killed in a powerful 7.1-magnitude earthquake that hit central Mexico on Tuesday. (Xinhua/Fernando Ramirez)
People inspect a collapsed building after an earthquake in Mexico City, capital of Mexico, on Sept. 19, 2017. At least 47 people were killed in a powerful 7.1-magnitude earthquake that hit central Mexico on Tuesday. (Xinhua/Fernando Ramirez)
People help an injured man after an earthquake in Mexico City, capital of Mexico, on Sept. 19, 2017. At least 47 people were killed in a powerful 7.1-magnitude earthquake that hit central Mexico on Tuesday. (Xinhua/Str)
Photo taken on Sept. 19, 2017 shows a vehicle crushed by debris from a collapsed building after an earthquake in Mexico City, capital of Mexico. At least 47 people were killed in a powerful 7.1-magnitude earthquake that hit central Mexico on Tuesday.(Xinhua/Fernando Ramirez)
People stand near a collapsed structure after an earthquake in Cuernavaca city, Morelos state, Mexico, on Sept. 19, 2017. At least 47 people were killed in a powerful 7.1-magnitude earthquake that hit central Mexico on Tuesday. (Xinhua/Margarito Perez)
People carry an injured person after an earthquake in Cuernavaca city, Morelos state, Mexico, on Sept. 19, 2017. At least 47 people were killed in a powerful 7.1-magnitude earthquake that hit central Mexico on Tuesday. (Xinhua/Margarito Perez)
A man walks over the debris of a collapsed structure after an earthquake in Cuernavaca city, Morelos state, Mexico, on Sept. 19, 2017. At least 47 people were killed in a powerful 7.1-magnitude earthquake that hit central Mexico on Tuesday. (Xinhua/Margarito Perez)
People carry an injured person after an earthquake in Cuernavaca city, Morelos state, Mexico, on Sept. 19, 2017. At least 47 people were killed in a powerful 7.1-magnitude earthquake that hit central Mexico on Tuesday. (Xinhua/Margarito Perez)
A woman receives medical treatment after an earthquake in Mexico City, capital of Mexico, on Sept. 19, 2017. A 7.1-magnitude earthquake hit the central state of Morelos in Mexico on Tuesday, according to the National Seismological Service (SSN). (Xinhua/Francisco Canedo)
Elements of the Mexican Army arrive at a building collapsed after an earthquake in Mexico City, capital of Mexico, on Sept. 19, 2017. At least 47 people were killed in a powerful 7.1-magnitude earthquake that hit central Mexico on Tuesday. (Xinhua/Str)
A man assists an injured woman after an earthquake in Mexico City, capital of Mexico, on Sept. 19, 2017. At least 47 people were killed in a powerful 7.1-magnitude earthquake that hit central Mexico on Tuesday. (Xinhua/Str)
A man inspects a collapsed building after an earthquake in Mexico City, capital of Mexico, on Sept. 19, 2017. At least 47 people were killed in a powerful 7.1-magnitude earthquake that hit central Mexico on Tuesday. (Xinhua/Fernando Ramirez)
Policemen cordon off the area of a collapsed building after an earthquake in Mexico City, capital of Mexico, on Sept. 19, 2017. At least 47 people were killed in a powerful 7.1-magnitude earthquake that hit central Mexico on Tuesday. (Xinhua/Str)