California is riddled with a number of fault lines that frequently cause earthquakes, including Arrowhead, Waterman Canyon, ...

A series of small earthquakes shook the San Francisco Bay Area on Thursday, according to the United States Geological Survey.

A map has shown an underwater fault line that could trigger a catastrophic earthquake that could cause a 100ft tsunami with ...

The governor must rein in the oil industry's reckless wastewater injections before tragedy strikes. The interactive map below shows where state oil officials issued permits from April 2015 to March ...