California earthquake fears grow as San Andreas fault reaches historic stress levels (opens original article in a new tab)

A study finds San Andreas and San Jacinto fault systems in Southern California are at historic tectonic stress levels, increasing concerns about potential major earthquakes. Researchers warn of risks and emphasize the importance of Cajon Pass in earthquake scenarios.

• Southern California's San Andreas and San Jacinto fault systems are at highest tectonic stress in 1,000 years.
• Researchers warn of increased risk for major earthquake involving both fault systems.
• Study highlights Cajon Pass as critical junction that could influence rupture spread.