Though the article is from last year, I think it still applies if you are a student looking for a great Geography Graduate Program for the fall. You can check out the rankings here.
Some top schools in California include UCLA, UC Santa Barbara, and UC Berkeley.
The article also touches on why online might not be a good idea for a graduate program and just taking GIS courses for a GIS certificate does not give you a deeper understanding of the world and teach you the ability to think spatially … Geography will.