Earthquakes

Five years ago, a magnitude 5.1 earthquake struck on the Puente Hills fault in La Habra and produced shaking felt across several Southern California counties. More than a hundred aftershocks followed during the next few days, including a magnitude 4.1 quake just a few miles away. The 2014 La Habra quake delivered a reminder to Southern Californians that even moderate earthquakes can cause damage—in this case, power outages, ruptured water mains, rock slides (including one that caused a car to overturn), broken glass and even damage that caused some homes to become uninhabitable—so it’s important to be prepared. “About three-quarters…