A patient is evacuated from a hospital during a powerful earthquake in Mexico City on February 16, 2018. Mexico's National Seismological Service put the magnitude of the quake at 7.0, and seismic monitor network Sky Alert said the quake was felt across the states of Guerrero, Oaxaca and Puebla. Pic/AFP

A powerful earthquake shook southern Mexico on Saturday as people fled out of buildings in capital Mexico City when the ground was shaking. According to the US Geological Survey, the earthquake was measured 7.5 on the Richter scale 4 km south of Pinotepa de Don Luis with the epicenter at a depth of 10 km, Xinhua reported.