Nippon Screw Weight System ( NSWS ) , designed to overcome problems with the standard penetration test ; The NSWS was developed with the specific aim to encounter the recent weather abnormalities and natural hazard , saving human lives . The creator of NSWS , Kozo Okita , was the member of 311 earthquake disaster committee of the Japanese Geotechnical Society . The society released a report in June , 2012 proposing to Japanese government a use of NSWS to investigate the 3.11 aftermath
3.11
2011 Tōhoku earthquake and tsunami
Nippon Screw Weight System