Tremors were felt in most of southwestern Arizona and reportedly ... because it is so close to all the fault lines in southern California. “Expect more earthquakes. It’s an active tectonic ...

From Napa to Santa Cruz, people felt the jolt of a 3.9 earthquake Monday. The epicenter was near Dublin on the Calaveras ...

New information about fault behavior has been ... we understand the potential for damaging earthquakes. The collaboration was led by researchers from Arizona State University (ASU) and UC ...