A powerful earthquake struck near the Pacific resort city of Acapulco on Tuesday night, causing buildings to rock and sway in Mexico City nearly 200 miles away.

       The U.S. Geological Survey said the quake had a preliminary magnitude of 7.0 and was centered about 5 miles east-southeast of Pueblo Madero in Guerrero state, about 30 miles inland from Acapulco.

       The mayor of Acapulco, Adela Román, said in a statement to the television news outlet Milenio that “there is no really serious situation” so far and no reports of casualties.

       “There are nervous breakdowns; people are worried because there have been aftershocks,” she said, adding that there are “many gas leaks in many places” as well as some landslides and fallen walls.

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       In Mexico City, the ground shook for nearly a minute in some parts of the capital, but the shaking was less evident in other parts. Some people evacuated their buildings briefly, but most quickly went back inside on a rainy night.

       There were no early reports on damage in the city, though Mayor Claudia Sheinbaum told the Canal 40 television station that electricity was knocked out in some neighborhoods.

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