Skip to main content
U.S. flag

An official website of the United States government

USGS scientists collected core samples along Hayward fault

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.


Public Domain.