Scientific DataA curated geotechnical database from over 220,000 boring logs including VS, SPT-N, stratigraphy, and geologic and topographic attributes for South KoreaInhyeok ChoiGiseok HeoJae-Kwang AhnSun-Cheon ParkYong-Gu JangDongyoup Kwak2026-08-11Full textDOI https://doi.org/10.1038/s41597-026-07719-w