Foggy California Coast (IMAGE) University of California - Davis Caption The quintessential California fog of Northern California has "only" defined its coastline for about 4,000 years, a UC Davis study found. This shot was taken off the coast of Bodega Bay, Calif. Credit Karin Higgins/UC Davis Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.