...because of US fracking (sarc)
Worked with a Thai chemist for years. Nice guy. After the Boxing Day earthquake and tsunami in 2004. Not long after he visited his homeland. The people told him the general consensus was that it was ‘The Yankee’ drilling for oil that caused the problem.
Bangkok has been sinking for years. Or at least the buildings. I recall seeing one multi-story building circa 1978 that had steps leading up to it. Almost one full step had sunk into the muck.
Watching pile drivers sink concrete poles into the ground for new construction was a joke. It was like sticking straws into jello. It took hundreds of piles a few feet apart to get any kind of traction in that former rice paddy.