The San Andreas Fault: Facts about the crack in California's crust that could unleash the 'Big One'

The San Andreas Fault isn’t just a dramatic backdrop for disaster movies—it’s a very real geological threat to California. This 800-mile crack in the Earth’s crust has the potential to unleash a catastrophic earthquake, often referred to as "the Big One." The article breaks down the science behind the fault, its history of seismic activity, and why experts keep a close eye on it. While it’s not a question of if another major quake will happen, but when, understanding the fault helps communities prepare for the inevitable.