On Monday morning, around 30 minor earthquakes erupted in a swarm near the Geysers geothermal field south of Clear Lake. The ...

A swarm of at least six earthquakes reaching up to magnitude 2.9 rattled San Ramon near San Francisco, the U.S. Geological ...

The clusters of earthquakes have all been underneath the East Bay suburb of San Ramon, which is close to the Calaveras fault.

A series of small earthquakes struck in Ventura County n December 12, 2025, according to the U.S. Geological Survey (USGS).

California's seismic risk is increasing with supershear earthquakes, which are faster and more destructive than typical ...

The San Jacinto Fault, considered part of the San Andreas Fault system, has a 5% chance of magnitude 6.7 or larger earthquakes. The line begins at Cajun Pass and runs southeast through San Bernardino, ...

A 3.2-magnitude earthquake rattled the San Ramon area in Northern California, the latest in a series of small quakes, the U.S. Geological Survey reported. The almost 6-mile deep quake hit about 2 1/2 ...

A 2.7-magnitude earthquake struck in San Luis Obispo County the early hours of December 4, 2025, according to the U.S.

Governor Gavin Newsom is responding to reduce federal aid after Californians received a false earthquake alert on Dec. 4, ...

This is read by an automated voice. Please report any issues or inconsistencies here. A magnitude 3.8 earthquake struck Riverside County near Idyllwild on Thursday evening, followed by a 3.5 temblor.