A magnitude 6.0 earthquake hit Mexico on Sunday, the U.S. Geological Survey (USGS) said, and tremors were felt in Mexico City.
There were no immediate reports of damage in the city, Mexico City mayor Miguel Angel Mancera said on Twitter, although there were some disruptions to the electricity supply. A Reuters witness said buildings shuddered in the city.
The quake was 20 miles (32 km) south of the central Mexican town of Santa Rosa Treinta, the USGS said.
Power outages hit the Mexican capital after the earthquake struck the centre of the country, and officials said there was no other damage reported.
Some restaurants and residential buildings in the capital were evacuated as a precautionary measure, they said.
Buildings shuddered in the city, a Reuters witness said.
The U.S. Geological Survey (USGS) downgraded its initial measurement of the quake to magnitude 5.8 from 6.0.