Seismic activity has returned to a California city after weeks of unusual calm, rattling nerves in a region already on edge from months of earthquake swarms. The US Geological Survey (USGS) reported ...
A rapid-fire barrage of 16 earthquakes slammed Southern California in less than 24 hours, reigniting terrifying fears that the “Big One” is getting ready to tear the region apart. A 4.9 magnitude ...