Key Information
San Andreas Fault
| Type | Fault Line |
| Length | 750 miles |
| Displacement | 0.79 to 1.38 inches per year |
Learning Point
- The San Andreas Fault Line is a long crack in the surface of the Earth near San Francisco where frequent earthquakes and land movement occurs. The fault is two different plates of land moving in opposite directions.
Project
- Draw the fault showing what it does to the surrounding land.
- Overview
- Movement


Location
| Located in | California, United States |
Fun Facts
- The fault line was named after the San Andreas Valley by Professor Andrew Lawson who identified the cracks as a fault line.
- The land movement each year can be almost one a half inches.
- Some of the biggest earthquakes in the USA have occured along the fault line, including the 1906 San Francisco Earthquake.
- The 1906 earthquake in San Francisco destroyed 80% of the city, cost 3,000 lives many of which died as a result of devastating fires that started after the earthquake.
- The Vasquez Rocks in Agua Dulce, California are evidence of the San Andreas Fault.
Past Lessons
| 25 | June 6, 2022 | (North America) |
| 124 | August 5, 2024 | (North America) |
| 201 | June 9, 2026 | (North America) |