11 September, 2017
Officials raised the death toll from Thursday night's quake as more bodies were found in the southern states of Oaxaca and Chiapas.
In neighboring Tabasco state, two children were killed, the governor said.
The day after an 8.2 magnitude quake hit Mexico's Pacific coast policemen stand next to collapsed buildings in Juchitan de Zaragoza, state of Oaxaca September 9, 2017.
The powerful natural disaster was felt as far away as the capital, Mexico City, sending residents out in the streets for fear of aftershocks.
Hundreds of buildings collapsed or were damaged, power was cut at least briefly to more than 1.8 million people and authorities closed schools on Friday in at least 11 states to check them for safety.
Nieto made the declaration after visiting the town of Juchitán, where the quake hit hardest.
Oaxaca state Gov. Alejandro Murat told local news media Friday that at least 23 people in his state died after the magnitude 8.1 quake that hit just before midnight.
Gunman arrested at OH high school in U.S. , none hurt
An active shooter was reported at a high school in Columbus, Ohio as police warned people to stay out of the area early Friday. District spokesperson Scott Varner said the school was placed on lockdown as crews responded to the area.
Badgers in at No. 9 in Week 2 AP Poll
Virginia Tech, which moved up three spots to No. 18, toppled West Virginia on Sunday night. Washington was the biggest upward mover of the week, climbing from No. 24 to No. 20.
Trump Calls for Quick Deadline on Tax Reform, Offers No Specifics
TRT World's Tetiana Anderson has more on Trump's tax reforms . "And I don't want to be disappointed by Congress ". However, the tax push is coming at a time when Congress is confronted with a massive workload in September.
Mexico's seismology service estimated it at 8.2 magnitude while the US Geological Survey put it at 8.1 - the same as in 1985, the quake-prone country's most destructive ever.
Mexico has also had to contend with the approach of Hurricane Katia.
At least 90 people killed across the country as emergency workers still look for victims under the rubble.
Mexico sits atop five tectonic plates, whose movement makes it one of the most seismically active countries in the world.
The Pacific Tsunami Warning Center said there is a possibility of widespread and unsafe waves on the coasts of Mexico, Guatemala, El Salvador, Costa Rica, Nicaragua, Panama, Honduras and Ecuador.
The odd lights people saw and documented on social media are believed to be part of an unusual phenomenon, which is caused by the activation of electrical charges on certain types of rock during a quake.
Pena Nieto said authorities were working to re-establish supplies of water and food and provide medical attention to those who need it.