This little map generated by the U.S. Geological Survey shows the 3.8M earthquake that hit our area at 9:47 a.m. Monday, April 16. It was followed at 9:49 a.m. by a 3.9M quake just up the road at Alum Rock, CA. Double click on image to increase the size. Also see advice to families to prepare for earthquakes on this website (below) and a hot link to sign up for ReadyKern, to receive emergency notifications on your cell and home phones.