Focal Depth
By Earthquake Hazards Program
2021 (approx.)
![Diagram of dipping slab with different focal depth events shown at different depths.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/focal%20depth.gif?itok=l377Whqg)
Detailed Description
Diagram of dipping slab with different focal depth events. The focal depth refers to the depth of an earthquake hypocenter.