Story highlights
NEW: Mexico City's mayor reports some blackouts, no major damage
The depth of the quake was some 40 miles, the U.S. Geological Survey says
There were no immediate reports of injuries
A strong 6.5-magnitude earthquake hit southern Mexico on Saturday night, killing two people and startling residents as far away as Mexico City, state media reported.
The quake, which hit at 7:47 p.m. local time, had an estimated depth of 40 miles, the USGS said. The agency earlier said it was 6.7 magnitude.
There were no immediate reports of major damage in the capital, but several areas were without power, Mexico City Mayor Marcelo Ebrard wrote on his Twitter page.
No injuries were reported in the quake, located in Guerrero state.
Some startled residents in Mexico City ran out of their houses and into the streets. Loud sirens sounded after the quake, which had an estimated depth of 40 miles, the USGS said.
CNN’s Jose Armigo contributed to this report.