GEOGRAPHY The magnitude 6.0 earthquake that struck California’s Napa Valley north of San Francisco on Sunday morning—collapsing older buildings, sparking fires and causing scores of injuries—fell along a series of cracks in the Earth tied to the famed and feared San Andreas Fault. (National Geographic News) Take a look at this map to see the web of faults beneath the San Francisco Bay Area. (For … Continue reading Whose Fault Was It?