When the USGS released new seismic maps for the South Bay, reporters at the Mercury News discovered that their building at I-880 and Brokaw Road is in the most dangerous zone for liquefaction (when the ground loses cohesion and acts like liquid) during a 7.8 earthquake. Here’s the story. Last October, Publisher Mac Tully said the paper was looking to move its news and advertising offices to a smaller location. When asked by one of his reporters about the new USGS maps, he said, “We’ll need to do some research to better understand the implications for our facility.”