Big US cities are sinking. This map shows where the problem is the worst.
Big US cities are sinking. This map shows where the problem is the worst.
The cities include not just those on the coasts, where sea level rise is a concern, but many in the interior.
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The nation's fastest-sinking city is Houston, with more than 40% of its area dropping more than 5 millimeters (about 1/5 inch) per year, and 12% sinking at twice that rate.
kagis
https://texaslivingwaters.org/groundwater/subsidence-houston-galveston-region/
Understanding subsidence in the Houston-Galveston region
Since 1836, groundwater withdrawals have caused about 3,200 square miles of the Houston-Galveston area to subside (or sink) more than a foot, with some areas subsiding as much as 12 to 13 feet.
Noob-tier numbers, Texas. Here's a photo from 1977 in California showing land subsidence on a telephone pole from 1925 to 1977.
https://water.usgs.gov/ogw/pubs/fs00165/Images/fig2.jpg
