That side of Turkey soil is not solid rock, you are correct because of that houses sunked in the ground. Againg this is a common building technic and it is not easy to do it in solid rock, so how do you want to put a hole of 20 meters?
thats with umit ozdag and people around hime, based on bs twitter news.
https://www.haber7.com/guncel/haber/3301228-umit-ozdagin-iftira-attigi-genc-depremzedelere-yardim-eden-turk-vatandasi-hafiz-cikti
he deleted the post, he should stop with bs news. in the end nobody will take him serious...
the looters who did try to block the truck with goods.
https://www.izlesene.com/video/hatayda-yagmacilar-yardim-tirinin-onunu-kesip-soforunu-tehdit-ettiler/10746132