More than 50 new surface earthquake faults have been discovered in California over the last two decades, according to a new state map that officials hope will help guide future development ...

Impact: The 1933 earthquake was Southern California’s deadliest in the modern record, leaving nearly 120 dead and causing $40 ...

SAN JOSE, Calif. – SAN JOSE, Calif. (AP) — California geology officials have released an updated state seismic activity map that they hope will improve earthquake preparedness and construction ...

Wondering, “Was there an earthquake now?” Track the **latest earthquakes and aftershocks in California with this interactive map. Data is proudly provided by the U.S. Geological Survey … ...

California has been required by state law to map the known active surface faults since the 1970s. Those maps number in the hundreds and were cumbersome to search before they were digitized.

Nearly all of California has a more than 95% chance of a damaging earthquake in the next century, a new United States Geological Survey map shows. The new USGS National Seismic Hazard Model ...

The California Geological Survey on Thursday released online earthquake fault zone maps for fault-ridden regions of the state, including most of the Bay Area. The online map shows the state ...

The state’s first new map of earthquake faults in 16 years shows active faults in Orange County — among them the Newport-Inglewood fault, one of the most dangerous according to the state’s ...

California reinstituted an ambitious plan to study dangerous earthquake faults and create zoning maps that could restrict development. In July, the California Geological Survey began to zone the Santa ...