San Francisco has released new data that shows 24 city-owned buildings are at risk of collapsing from an earthquake. Even more are prone to serious damage according to ...

A minor, 3.3-magnitude earthquake struck in Northern California on Monday, according to the United States Geological Survey.

Built in the heart of Cal’s campus in the Berkeley Hills overlooking San Francisco Bay — an area prone to seismic activity — ...

A 3.6-magnitude earthquake was reported in Merced County, California on Monday evening, with no damage reported.

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

A 7.1 magnitude earthquake rocked Southern California late Friday. Here's what we know about injuries, damage and aftershocks.

The temblor, which struck at 10:44 a.m. Thursday, was California’s largest earthquake since a magnitude 7.1 hit the Kern County town of Ridgecrest on July 5, 2019.

San Mateo (3.5%) San Diego (3.3%) Monitoring movement In the late 1980s, the USGS monitored 16 faults (the main ones). In 1994, the 6.7 Northridge earthquake occurred on an unrecognized fault line.

For example, it would take more than a minute for a magnitude 7.8 earthquake that starts at the Salton Sea, along the state’s longest fault, the San Andreas, to be felt 150 miles away in Los ...

A 4.4 magnitude earthquake hit Kern County on Wednesday evening, a day after a 5.2 magnitude earthquake and a series of aftershocks in the area, the U.S. Geological Survey reported.