Residents of earthquake zones partake in ShakeOut quake drill
Up and down the U.S. West Coast, the ShakeOut drill began at 10:19 a.m. PDT with a test alert from the region’s ShakeAlert earthquake warning system that popped onto cellphone screens.
San Andreas Fault United States University Of Southern California San Joaquin River Mark Benthien Us Geological
Source: staradvertiser.com