In the study. we analyze changes in groundwater pressure observed in several boreholes drilled in and around the Mizunami Underground Research Laboratory (MIU) induced by the 2011 off the Pacific coast of Tohoku Earthquake (Mw 9. 0). The aim of this project is a development of methodology to evaluate systematic fault activity by numerical analysis. https://www.diegojavierfares.com/super-grab-Fruity-Germander-super-save/