The valleys in California are sinking at truly unbelievable rates in response to massive drought and as groundwater is being pumped out. Some areas are sinking almost 2 inches per month!!! More details at the NASA website.
As Californians continue pumping groundwater in response to the historic drought, the California Department of Water Resources today released a new NASA report showing land in the San Joaquin Valley is sinking faster than ever before, nearly 2 inches (5 centimeters) per month in some locations.