The quake was registered at 00:02 a.m. local time (06:02 GMT) some 209 kilometers (129 miles) to the south-west of the city of San Patricio at the depth of 10 kilometers.

No reports of damages or tsunami warnings have been released.

Mexico is part of the so-called Pacific Ring of Fire, the most seismically active region of the Earth, where almost 90 percent of the world's earthquakes and volcanic eruptions occur.