Published on May 7, 2015 br www.undergroundworldnews.com br The U.S. Geological Survey is reporting three earthquakes, two with a 3-plus magnitude, have struck Concord Wednesday morning. br The USGS says the first quake, a magnitude 3.2, was centered east of Highway 242 in Concord and struck at about 7:01 a.m. PDT Wednesday. The second and largest, a 3.6-magnitude, struck at 7:32 a.m. It was later downgraded to a 3.5. The third, a 2.6-magnitude, hit shortly after at 7:35 a.m. br br ... br br ... br br ...