I apologize for being skeptical.
Youtube set me straight. (It's also apparently true that Youtube is hacking my Chrome browser:
Youtube Caught BURNING OUT Your Computer & Phone ON PURPOSE Over Ads! This Is INSANE! (It's Real))
Anyways, it's soil liquifaction and is dependent on how shallow the ground water is.
So we're back to design. Who's exemplar is Tesla. Look at what they did at the Austin Gigafactory. They used rammed aggregate piers that extend all the way to bedrock. For example:
archive.constantcontact.com/fs186/1102402771473/archive/1120184120569
Use Rammed Aggregate Pier� (RAP) Elements to Replace Piles or Drilled shafts
Grounded Solutions March newsletter will discuss the use of Ground Improvement for floor slab and mat foundation support.