Focal Mechanisms
![5 diagrams of stereonets for reverse, normal, strike-slip, low-angle reverse, and oblique faults.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/focal_mechanism.gif?itok=g2m7wpJl)
Detailed Description
Focal mechanism examples. A fault plane solution is a way of showing the fault and the direction of slip on it from an earthquake, using circles with two intersecting curves that look like beach balls. Also called a focal-mechanism solution.
Sources/Usage
Charles Ammon, Penn State