A 4-magnitude earthquake struck near the San Francisco Bay area Sunday afternoon. The quake, centered around Concord, California, hit at 3:13 p.m. PDT, according to the U.S. Geological Survey (USGS). This was the strongest in a series of quakes Sunday. A 2.7-magnitude quake followed about a minute later. Earlier, at 3:01 p.m. PDT, a 2.5-magnitude earthquake hit. […]
