Mexico City ? A moderate earthquake rocked Mexico City on Friday, causing skyscrapers to sway and frightening residents, but emergency officials said no major damage or injuries were reported.

The U.S. Geological Survey estimated the earthquake had a preliminary magnitude of 5.9 and struck in Michoacan, 125 miles southwest of the capital. It was centered four miles northwest of the town of Huetamo and 59 miles below ground. A 5.2-magnitude aftershock hit about eight minutes later.

Electricity and telephone service did not appear to be interrupted.