A 4.4-magnitude earthquake has rattled the Inland Empire.
It was, and remains, one of the worst days in Southern California history.
The maps define zones of required site investigations around the Hollywood Fault, the Sierra Madre Fault and other faults in the Monrovia-Duarte-Azusa area.
Scientists from academic and research institutions across Southern California offered tips to the media Tuesday on how to more accurately report on earthquakes in the region.
A swarm of several small quakes has been reported for the second straight day in Riverside County.
A state lawmaker from Torrance wants Sacramento to boost funding to map active earthquake faults to prevent buildings from being constructed near dangerous faults.
The head of the Department of Building and Safety has formerly asked a UC Berkeley professor to share his list of 1,500 possibly vulnerable buildings.
Could the appearance of rare “sea serpents” washing ashore beaches in Southern California portend disaster?
The U.S. Geological Survey says a strong quake has struck in the Gulf of California.
Hoping to survive an earthquake, many Californians and people in earthquake prone regions around the world were gearing up for a major earthquake drill.
A 4.2 magnitude earthquake struck about 40 miles north of Joshua Tree Saturday evening.
Gov. Jerry Brown on Tuesday ordered creation of a statewide earthquake early warning system that could give millions of Californians a few precious seconds of warning before a powerful temblor strikes.
The city of Los Angeles is looking into creating a list of so-called soft-story buildings that are vulnerable to collapsing during an earthquake.
The U.S. Geological Survey says a light quake has struck Kern County.
The U.S. Geological Survey says a micro-quake rolled through the northern portion of Orange County.