California is experiencing shrinkage. The mass of the state is literally getting smaller. Oh boy.
Thanks to the drought, we're losing an amount of groundwater equal to the capacity of Lake Mead, the largest reservoir in the United States, each year. That's according to scientists at NASA, who used satellite imagery to trace the decline from 2002 to the present.
The loss is roughly equal to 33 billion tons, or 7 cubic miles, per year. (To help you visualize that, imagine a giant 3D cube full of water plopped on top of San Francisco) In other words, we're talking about a freaking huge amount. Huge enough that according to CityLab, the earth's gravitational field has actually been impacted by the loss of mass.
Don't worry about it, though. The more you worry about shrinkage, the worse it is. (That's a penis joke.)