California Faults at 1,000-Year Stress Peak
A new study reveals Southern California's major fault system is currently under more stress than at any point in the last millennium, with researchers identifying the Cajon Pass as a critical "earthquake gate." This pivotal location, where the San Andreas and San Jacinto faults converge, could determine if a future rupture spreads across both lines, mirroring geological conditions observed before the region's largest historical quakes.