From Napa to Santa Cruz, people felt the jolt of a 3.9 earthquake Monday. The epicenter was near Dublin on the Calaveras ...

A circular drain at Lake Berryessa in Napa County, known as the Morning Glory Spillway, has been active, drawing spectators ...

Long back, a large collection of material masses coalesced and formed the Earth – it was a single crust or plate with no ...

De Groot said that in order to avoid a magnitude 6.0 earthquake, Southern California would have to experience about a thousand magnitude 4.0 earthquakes. Jeff Nguyen is proud to work in his ...

This is a developing story. Stay with KTLA 5 News for updates. Thousands of earthquakes are recorded in California annually, but the vast majority are incredibly minor. Several hundred reach a ...

and that’s “pretty standard for anywhere in California.” That’s because, in a single seismic event, individual faults can link up, resulting in an earthquake of a larger magnitude.

A magnitude 4.1 earthquake centered north of Malibu sent light and weak shaking across Southern California on Sunday. The strongest shaking was felt in parts of Malibu, Agoura Hills, Thousand Oaks ...

A 4.1-magnitude earthquake shook the Los Angeles area in California, the U.S. Geological Survey reported. The 7-mile deep quake hit 7 miles from Westlake Village, about a 40-mile drive west from ...

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Ontario is not a noted earthquake area, but we do get them occasionally.

Could the sun play a role in earthquake forecasting? A new study suggests solar heat may subtly influence seismic activity by altering surface temperatures and underground pressure. Credit: ...