The U.S. Geological Survey set the intensity at 7.6 at a depth of 11 miles underground. Mexico's National Seismological Survey said the temblor had an epicenter southwest of Ometepec. The quake was located 120 miles east of Acapulco.
Mexico City Mayor Marcelo Ebrard's Twitter account said the water system and other "strategic services" were not experiencing problems.
A person at Acapulco City Hall told NBC News that they felt the quake but had no immediate reports of injuries or damages.