The Cascadia Subduction Zone, a major fault that runs offshore from Northern California to British Columbia, is best known ...

A major earthquake rattled Southern California on Monday morning. Initial reports had the quake measuring 6.0 magnitude, but the USGS quickly downgraded the temblor to 5.2. The quake struck at 10:08 a ...

The study, published Monday in the Proceedings of the National Academy of Sciences (PNAS), found that a major earthquake ...

The temblor was detected near Julian, California. There were no immediate reports of major damage or injuries.

The 5.2 quake was centered near Julian. There were no immediate reports of major damage or injuries but some residents ...

Monday's 5.2 magnitude temblor marked another success for California's early earthquake warning system, with users in some ...

A magnitude 5.2 earthquake jolted southern California Monday morning near San Diego felt as far away as Mexico, according to ...

Southern California has been jolted by a strong earthquake near San Diego. The U.S. Geological Survey says Monday morning's earthquake had a preliminary magnitude of 5.2 and was near the mountain town ...

The earthquake hit at 10:08 a.m. local time and was centered near the town of Julian, California, about 60 miles northeast of ...

A magnitude-5.2 earthquake occurred about 2.5 miles ... The Elsinore Fault Zone, a major fault line in Southern California and part of the San Andreas Fault system, is in this area.

Southern California hasn't stopped shaking since a major 5.2 magnitude earthquake struck San Diego on Monday. In the hours ...