MEXICO CITY — A 6.7-magnitude earthquake struck in Mexico's western Guerrero state Saturday night, shaking buildings and causing panic in the nation's capital and the Pacific resort of Acapulco. There were no reports of deaths or serious damage.
The U.S. Geological Service initially estimated the quake at magnitude at 6.8, but downgraded it to 6.7. A quake of that magnitude is capable of causing severe damage.
The USGS said the quake occurred 40.3 miles (64.9 kilometers) deep and was centered about 26 miles (42 kilometers) southwest of Iguala in Guerrero. That is 103 miles (166 kilometers) south-southwest of Mexico City.
A Twitter message from President Felipe Calderon said one person had been reported injured by a collapsed ceiling in the Guerrero town of Tuxpan, which is near Iguala. It said there were no other reports of casualties in the quake area.
High-rises swayed in the center of Mexico City for more than a minute, and shoppers were temporarily herded out of some shopping centers until the danger passed.
Mexico City's mayor, Marcelo Ebrard, reported by Twitter that no major damage had been reported. He said power failed in some parts of the city.
People in one part of Mexico City's upscale Condesa neighborhood ran out of their houses and gathered in the streets, hugging each other while some shook and began to cry.
On one street, a group of women joined hands in a circle, closed their eyes and began to pray.
"Please God, help us and let everything be OK," said one. "It's OK. It's OK. Everything is OK."
In Acapulco, hundreds of anxious tourists congregated in the streets after fleeing rocking buildings. City officials said no structural damage was reported. The Pacific resort was about 87 miles (140 kilometers) from the quake's epicenter.(AP)