5.1 earthquake rattles San Francisco Bay area

An earthquake with a preliminary magnitude of 5.1 rattled the San Francisco Bay Area Tuesday.

There were no immediate reports of damage or injuries. The U.S. Geological Survey said the 11:42 a.m. quake struck 12 miles east of San Jose at a depth of about 4 miles.

The area is about 40 miles southeast of downtown San Francisco. A 3.1 aftershock followed about 5 minutes later, according to the U.S. Geological Survey.