A highway fracture caused by the Ridgecrest quake and aftershock in early July. (Photo: Nick Sklias, via Shutterstock)
The epicenter of the quakes was the Naval Weapons Air Station at China Lake, which does research into military weapons in the Mojave Desert. Because of the secret nature of its work, the state Seismic Safety Commission has been unable to go in and check out what is happening, said the commission’s chairman Mike Gardner.
Richard M. Allen, director of the Berkeley Seismological Laboratory, points out the American Canyon Quake. (AP Photo/Alex Menendez)
California is known as much for earthquakes as it is Hollywood or surfers, but relatively few homeowners have bothered to buy earthquake insurance. A little better than one in every 10 residential properties is covered throughout California. In Napa, where Sunday’s 6.0 magnitude quake caused an estimated $1 billion in damage, the coverage level is even lower than that – perhaps 5 percent, according to the California Earthquake Authority