It was a groundbreaking discovery. Scientists have found previously concealed fault lines along California’s north coast, ...

A 4.9-magnitude earthquake and several aftershocks rattled the Inland Empire on Monday night, according to the United States ...

Three huge tectonic plates meet at the Mendocino triple junction off the coast of northern California, and a new study ...

A rapid-fire barrage of 16 earthquakes slammed Southern California in less than 24 hours, reigniting terrifying fears that ...

Northern California’s coast keeps you on alert, even on quiet days. Offshore, three tectonic plates meet near Humboldt County ...

Along a quiet stretch of central California, the tiny town of Parkfield sits atop one of the most closely watched pieces of rock on Earth. Here, scientists are using the San Andreas Fault as a natural ...

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San Andreas fault meets the Cascadia subduction zone, an area that could give rise ...

Earthquake myths have circulated in the state for decades. We looked into them.

A hidden chunk of an ancient tectonic plate is stuck to the Pacific Ocean floor and sliding under North America, complicating earthquake risk at the Cascadia subduction zone.

Earthquakes remain one of the top concerns for millions of Californians. While the San Andreas Fault dominates the public imagination, a leading expert says the state’s seismic risk is far more ...

After yet another notably sized earthquake struck near Indio overnight, following two days of seismic activity, renowned seismologist Dr. Lucy Jones says that even more temblors could head to the area ...