Sister -ist site, SFist, is reporting a 5.6 magnitude earthquake in the Bay Area, south of San Francisco. The USGS says...A moderate earthquake occurred at 8:04:54 PM (PDT) on Tuesday, October 30, 2007. The magnitude 5.6 event occurred 8 km (5 miles) NNE of Alum Rock, CA. The hypocentral depth is 9 km ( 6 miles). To us, that's a pretty decent earthquake. And at 5.5 or greater (here's the teaching us part), this is......