USGS scientists collected core samples along Hayward fault
By Coastal and Marine Hazards and Resources Program
2017 (approx.)
Detailed Description
On the shallow-draft barge Retriever (right), USGS scientists led by Janet Watt (left) collected core samples of underwater sediment along the Hayward-Rodgers Creek fault zone in San Pablo Bay, California, to investigate the history of faulting beneath the bay.
Sources/Usage
Public Domain.