#tri-valley

#tri-valley

In what has become a common occurrence recently, the ground shook again in San Ramon on Tuesday, this time before sunrise. The magnitude 3.1 quake rattled the Tri-Valley at 5:53 a.m. and was centered about 3.1 miles southeast of San Ramon. There were no initial reports of damages or injuries. The quake came only eight days after three earthquakes shook the area in the course of about 100 minutes.