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Some of the change could come from the soil underneath the GPS stations becoming compacted by the water’s weight. But because some stations located on bedrock also experienced the depression, he believed that the key mechanism was crust deformation. It’s also possible, he elaborated, that some areas outside Houston were pushed up by the way the water squished the Houston crust.
O_0
Squishy crusts... So not necessarily the plate tipping or being pushed into the earth, but the crust itself being swished. And perhaps more capacity to be squashed because underlying aquifers have been drained. The bit about the The Gorges Dam causing local earthquakes is interesting/awesome/disturbing too.
hoefla
https://www.theatlantic.com/technology/archive/2017/09/hurricane-harvey-deformed-the-earths-crust-around-houston/538866/