California's fault lines are under the most amount of stress than they've experienced in 1,000 years, researchers revealed. A new study published in the Journal of Geophysical Research, Solid Earth, cites concerns that a major earthquake might be on the horizon. There's no real way of knowing when i... California's fault lines are under the most amount of stress than they've experienced in 1,000 years, researchers revealed. A new study published in the Journal of Geophysical Research, Solid Earth, cites concerns that a major earthquake might be on ... [2898 chars]