Untangling Faults at Depth – What Lies Beneath Panamint Valley, Califo
![A geophone used in the field work to record the shaking.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/geophone.jpg?itok=DaY7xndQ)
Detailed Description
A geophone used in the field work to record the shaking. The spike is pushed into the earthen part of the shoulder along the side of the road.
Sources/Usage
Public Domain.