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

TUBA CITY, AZ — A minor earthquake shook parts of northern Arizona early Saturday morning, according to the U.S. Geological Survey. The quake struck just before 4:15 a.m., southeast of Tuba City.

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 ...

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 ...