Trench Across West Napa Fault, California
By Earthquake Hazards Program
September 2017 (approx.)
![person squatting next to a trench in the ground](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/belle_napa_trench.jpg?itok=vQLoY97G)
Detailed Description
Belle Philibosian next to a trench investigating the West Napa Fault near St. Helena, California, September 2017.
Sources/Usage
Public Domain.