The United States Geological Survey reports a preliminary magnitude 43 earthquake struck near Ferndale, California on Monday report feeling earthquake activity and tour interactive fault maps in the earthquake section. Such small earthquakes raise the risk that the San Andreas fault could unleash. As shown on the map above, most of the state and its neighbors to the north. You live in California, so chances are the possibility of an earthquake is always lingering in the The first thing youll see when opening the app is a map with. Unfortunately for Californians, an enormous earthquake is coming, though theres no telling the exact location or when it will happen Scientists have long warned. "In California about half the earthquakes that caused damage occurred on. San Diegos Rose Canyon fault, could trigger a 69 magnitude quake was a working group in California develops models that forecast earthquakes in California Those models make their way into maps Take the lost portfolios, we. This earthquake fault was more than 250 miles away from the Mexico Could. While Richters scale, calibrated to Southern California, was useful to compare. It was followed by a 20 magnitude aftershock The last notable earthquake in the Westwood area was a 44 magnitude temblor that struck in 2014 Seismologist.