6.9 quake rattles Mexican state, San Diego

SAN DIEGO - A 6.9-magnitude earthquake struck off Baja California in Mexico on Monday, the U.S. Geological Survey said.

The quake was 49 miles from Santa Isabel on the Baja California peninsula and 9.3 miles deep, the USGS said.

City Hall in San Diego, just north of the Mexico border, was evacuated soon after the rattling started, KNSD-TV reported.

There were no immediate reports of damage or injuries.

Four quakes in the Gulf of California area, all measuring more than 5.0, were reported by the U.S. Geological Survey on its Web site Monday.