The aftermath of the quake was seen in the form of rubble and a huge rescue operation is underway in Chiapas, Tabasco and Oaxaca, the states that had been affected the worst by the natural disaster.
The powerful quake set off a tsunami warning for at least eight countries - and at least six people have been confirmed dead in the most powerful quake to strike the country for 100 years.
On Friday off the coast of Mexico were recorded earthquakes of a magnitude of 8.4.
Mexican President Enrique Peña Nieto, has declared three days of national mourning after the strongest quake measuring 8.2 on the Richter scale struck off the country in a century that left at least 61 people dead.
Mysterious green and blue flashes were seen by witnesses in Mexico City after it was rocked by a magnitude 8.2 natural disaster. He said 45 deaths had been reported in Oaxaca, 12 in Chiapas and four in Tabasco.
People in distant Mexico City, the capital, ran out into the streets after the tremor. The quake damaged 1,700 homes, 700 schools and 18 other public buildings in Chiapas, according to preliminary estimates.
The worst-hit city is Juchitan, in the southern state of Oaxaca, where at least 36 bodies were pulled from ruins, and a large number of buildings collapsed, including the city's town hall.
The US Tsunami Warning System also issued a tsunami warning for Guatemala, Honduras, El Salvador and Costa Rica.
At least 32 people were killed after a massive 8.1 magnitude natural disaster, one of the biggest recorded in Mexico, struck off the country's southern coast late on Thursday, causing cracks in buildings and triggering a small tsunami, authorities said.
Pope Francis, addressing an open air Mass on a visit to Colombia, said he was praying "for those who have lost their lives and their families".
Videos on social media showed significant tremors in various parts of the country, as well as major damage to buildings and infrastructure.