About CGS


The Coast Geological Society was born from a shared vision among geologists, engineers, and industry professionals working along California’s Central Coast. On April 2, 1948, a group of 48 individuals gathered at Eaton’s Restaurant in Santa Barbara for an informal dinner meeting that would mark the beginning of a lasting institution.

The evening’s discussion was led by R.N. Williams of the Honolulu Oil Corporation, who presided over the meeting. The featured speaker was W.H. “Bill” Geis, a respected consultant and member of the State Board for Registration of Engineers, who spoke on “The Position of the Geologist in Connection with the Engineer's Registration Act.” His remarks sparked meaningful dialogue about the evolving responsibilities of geologists within a growing and regulated professional landscape.


What Happened

Recognizing the need for a local society to promote the exchange of geological knowledge and ideas, a founding committee was formed:

R.N. Williams – Honolulu Oil Corp., Santa Barbara
Aden W. Hughes – Union Oil Co., Santa Maria
William R. Merrill – Standard Oil Co., Ventura
Robert Paschall – Amerada, Ventura (Chairman)

The evening’s discussion was led by R.N. Williams of the Honolulu Oil Corporation, who presided over the meeting.

The featured speaker was W.H. “Bill” Geis, a respected consultant and member of the State Board for Registration of Engineers, who spoke on “The Position of the Geologist in Connection with the Engineer's Registration Act.”

His remarks sparked meaningful dialogue about the evolving responsibilities of geologists within a growing and regulated professional landscape.

Our Mission

Since its founding, the Coast Geological Society has promoted geoscience education, field-based learning, and professional exchange throughout the Ventura Basin and surrounding regions. Through regular meetings, field trips, and guidebook publications, CGS continues to serve geologists, students, and professionals working in energy, environmental, and academic sectors.

Today, CGS remains dedicated to:

Advancing the geological understanding of California’s coastal basins
Providing a forum for scientific exchange and professional development
Hosting engaging field trips and lectures on regional geology
Connecting generations of geoscientists in a shared passion for earth science


We are proud of our legacy and excited about the future of geoscience in our region. Whether you’re a student, a seasoned geologist, or simply curious about the Earth beneath your feet, the Coast Geological Society welcomes you.

Mobirise

CGS is proud to be affiliated with the PSAAPG!

MEETING HOURS
Third Tuesday of Every Month: 6PM – 9PM
LOCATION
Poinsettia Pavilion
    3451 Foothill Rd Ventura, CA 93003
CONTACT
Have Questions? Email: coastgeologicalsociety@gmail.com
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