If you think about it, they've been sucking oil and natural gas out of the earth for years.....what do they think is going to happen to all those big vacant pockets they leave?
It's like pulling bricks out of a huge wall......eventually over time, it starts correcting itself.
The photograph above illustrates subsidence in the San Joaquin Valley, California. In the photo, USGS scientist Joe Poland shows subsidence between 1925 and 1977 due to fluid withdrawal and soil consolidation.
That's scary.....and it really disappoints me when I think of the people who initiate destroying this planet for pure profit.....I'm talking making so much money off it, that they could feed the whole nation for generations with a years profit.