I just played around with https://www.floodmap.net/ https://www.floodmap.net/ and it's pretty crazy what -130 meters looks like. Argentina and China have massiv

I just played around with https://www.floodmap.net/ https://www.floodmap.net/ and it's pretty crazy what -130 meters looks like. Argentina and China have massive coastal growth and the Sea of Japan becomes landlocked. How much history is 100 miles off China's modern day coast line?