Subsidence maps drawn from InSAR data are now posted for a dozen Arizona basins at the Arizona Dept of Water Resources website. Each basin shows subsidence for different periods as far back as 2000.
The map at right shows the Phoenix West Valley area from 2004 to 2008. The red areas show subsidence of 6 - 8 cms. [credit ADWR]
Correction: in the original post, I mis-identified this as the Hawk Rock area. 1-8-09
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