
The Japan Times: Sept. 7, 2003
Researchers from eight universities said Saturday they plan to set off artificial earthquakes around Mount Fuji on Thursday to determine underground structures and help predict future eruptions....They will detonate 500-kg charges 80 meters beneath the surface at five points along a line connecting the city of Shizuoka and the town of Tsukui in Kanagawa Prefecture. ... The scientists will observe seismic waves with some 400 instruments along the line, including on the summit of Mount Fuji.