( CNN ) -- A 6.0-magnitude earthquake shook southern Mexico early Saturday , the U.S. Geological Survey said . The quake comes two days after a 6.4-magnitude quake rattled the same region . The epicenter of Saturday 's quake was 294 kilometers ( 183 miles ) southwest of Mexico City .
Two days earlier , a 6.4-magnitude quake rattled the same region . The earthquake hit southern Mexico .