(Bloomberg) — Buildings swayed in Mexico City and some neighborhoods lost power after a 7.5-magnitude earthquake struck about 265 kilometers (164 miles) southwest of the capital of Latin America's second-largest economy.

The tremor had a depth of 46 kilometers and was located 37 kilometers from the town of Tecpan de Galeana in Guerrero state, according to the U.S. Geological Survey.

The local government in Mexico City is monitoring the situation, while there haven't been reports of major damage, Mayor Miguel Mancera said on his official Twitter account. There were some reports of blackouts, Mexican newspaper El Universal said on its website. TV Azteca said that a wall had collapsed in a neighborhood on the south side of the city with no reports of injuries.

"We only have reports of some walls and ceiling fixtures falling," National Civil Protection Coordinator Luis Felipe Puente said in an interview broadcast by TV Azteca. Power should resume shortly for most of the affected neighborhood, he said.

Petroleos Mexicanos, Mexico's state-owned oil company, had no reports of damage, a press official, who asked not be be named according to internal policy, said in a phone interview.

Today is a national holiday in Mexico.

If the magnitude is confirmed, the earthquake could be the biggest since a 7.6 temblor struck off of Colima state in 2003 and caused 29 deaths, according to USGS data. In 1985, an 8.0- magnitude quake flattened hundreds of buildings in the capital, leaving more than 9,000 people dead.

 
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