why every city in California advertises its elevation
"Extent of flooding by rising sea level if greenhouse warming continues unabated and approximately one third of the world's volume of land-bound ice and snow melts (not sea ice). The resulting rise would place sea level about 30 m above present sea level. Dashed line shows approximate outline of the present San Francisco Bay."
Source:San Andreas Fault and Coastal Geology, from Half Moon Bay to Fort Funston-Crustal Motion, Climate Change, and Human Activity by Andersen D., Sarna-Wojcicki, A., Sedlock, R. (2001)