A 3.7-magnitude earthquake occurred near Mammoth Lakes in the eastern Sierra Nevada mountains of Northern California on Saturday, USGS reports.
A short sharp earthquake rattled the San Francisco Bay Area, but there are no reports of injuries.
A small earthquake shook near Rio Linda Wednesday morning.
Authorities say a magnitude 4.0 earthquake has rattled the San Francisco Bay Area, but no injuries or property damage is reported.
Two separate quakes at or near magnitude-4.0 hit Northern and Southern California on Sunday, with no immediate reports of damage or injuries.
57 Los Angeles County Firefighters are bringing 6 search dogs, cameras, sonar and heavy cutting equipment.
The U.S. Geological Survey says the magnitude 3.5 quake struck six minutes after midnight and was centered near San Ramon.
A small earthquake has shaken the Coalinga area of the Central Valley but there are no reports of damage.
Three dozen members of Congress from California, Oregon and Washington are urging full funding of a West Coast earthquake early warning system.
A new report says California faces a greater than 99 percent chance of being rocked by a strong earthquake in the next 30 years.
A 6.9-magnitude earthquake off the east coast of Japan has prompted a tsunami advisory for the same area hit by a devastating tsunami in 2011, NHK Worldwide reports.
The U.S. Geological Survey is reporting a magnitude 3.1 earthquake has struck the San Francisco Bay area.